Maurten

FAQ

Maurten Products

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Gels

Q:

What is Maurten Gel?

A:

Maurten Gels are designed for endurance sport. Unlike many traditional gels that are just syrupy mixes of water and carbohydrates, Maurten uses Hydrogel Technology. The gel is already in hydrogel form — so unlike other gels on the market, you don’t have to drink water to help the gel go down. Although rehydrating still matters.

Q:

What do the numbers 100 and 160 in Maurten Gel product names mean?

A:

The number refers to the amount of calories (kcal) per serving. This numbering system is based on the energy available from each gram of carbohydrate (1g = 4 kcal). For example, Maurten Gel 100 and Gel 160 have 25 grams and 40 grams of carbs, respectively. This allows athletes to quickly understand the carbohydrate and energy content in each product — and to plan fueling strategies with precision.

Differences between Gel products

Q:

What are the differences between the different Maurten Gels?

A:

Maurten Gel is a carbohydrate sports fuel based on Hydrogel Technology in a portable sachet.

Maurten Gel is designed to be used:

  • Before exercise as a carbohydrate preload.
  • During training and racing for sustained energy.
  • Post workout for rapid refueling.

Gels provide a concentrated source of energy that is easy to carry — making them ideal when you already have fluids available or want precise carbohydrate fueling.

Gel 100
Designed to help athletes consume carbohydrate fuel in smaller, more frequent doses, Gel 100 contains 25 grams of carbohydrates per sachet (≈100 kcal).

Gel 100 Caf 100
Gel 100 Caf 100 is the same as Gel 100, but with caffeine. It contains 25 grams of carbohydrates per sachet (≈100 kcal) and 100 mg of caffeine per sachet. That’s approximately the equivalent of 1.5 espressos — or one cup of brewed coffee.

Gel 160
For athletes who want more carbohydrates than Gel 100 to fuel their training and racing — Gel 160 contains 40 grams of carbohydrates per sachet (≈160 kcal).

Gel Product composition

Q:

What ingredients are in Maurten Gels?

A:

Maurten Gels contains a short list of carefully selected ingredients — water, glucose, fructose, sodium alginate, gluconic acid, and calcium carbonate. Find out more here.

Q:

Are there flavors and preservatives?

A:

There are no added flavors, colors, preservatives, or sweeteners in Maurten Gel.

Q:

How does Maurten Gel taste?

A:

Maurten Gels are designed to have minimal taste. The only noticeable flavor is a light sweetness that comes from glucose and fructose, without any added flavors.

Q:

What is the fructose to glucose ratio in Maurten Gel?

A:

The glucose to fructose ratio is 1:0.8 — designed to support high rates of carbohydrate absorption.

Glucose and fructose use different intestinal transporters to maximize carbohydrate absorption and increase gastrointestinal tolerance. Research shows the ratio used in Gel 100, Gel 100 Caf 100, and Gel 160 (1:0.8) enables higher total intake by increasing fructose to fill the gap once glucose is saturated. This ratio and combination of types of sugars allow for greater utilization of carbohydrates during exercise, helping athletes sustain high intensities for longer durations.

Q:

Are Maurten Gels suitable for vegetarians and vegans?

A:

Yes, they are suitable for both vegetarians and vegans — but the final product is not certified as vegan or vegetarian.

Q:

Are Maurten Gels gluten-free?

A:

While Maurten Gels are made using ingredients that are free from gluten and other common allergens, the final product is not certified as gluten-free.

Q:

Where are Maurten Gels produced?

A:

They are produced in Denmark.

How to use Gel?

Q:

How can you consume a Maurten Gel?

A:

There are several ways to consume Maurten Gels. Some athletes like to bite off small amounts gradually, letting the gel sit on the tongue. Test fueling with Maurten Gel in training and find the style that works the best.

Q:

Should I drink water with Maurten Gel?

A:

It’s not necessary. Unlike other gels on the market, you don't need to drink water to wash down Maurten Gel. However, hydration is important — drinking plain water won't affect the efficiency of the hydrogel.

Q:

How many Maurten Gels should I take?

A:

The number of gels depends on the duration and intensity of your effort, as well as your individual fueling strategy. Maurten Fuel Guides provide practical examples to help determine a strategy that works for you.

Q:

How long does it take for a Maurten Gel to take effect?

A:

Carbohydrates begin to be absorbed shortly after ingestion. In most cases, athletes start to see the benefit within approximately 15 minutes. The effects of caffeine in Gel 100 Caf 100 are most effective about 45 minutes after ingestion.

Q:

I have an open gel — how long can I keep it open?

A:

Maurten Gels do not contain any preservatives. We recommend consuming the gel within 24 hours. To preserve it, keep refrigerated.

Q:

What if gels cause discomfort?

A:

Reduce intake frequency or total amount of gels — and practice your fueling strategy during training first. Another tactic is to try spacing gels further apart, combining them with Drink Mix, or choosing a lower overall carbohydrate intake until tolerance improves. Reduce fiber the day before and right before training to help avoid stomach issues — this can be a factor when it comes to gut discomfort.

Q:

I don’t want to carry multiple gel sachets during training or racing. What can I do?

A:

The Maurten Gel Flask offers a practical alternative. It allows you to transfer up to 5 x Gel 100 sachets or 3 x Gel 160 sachets into a single, easy-to-reuse container — reducing the risk of littering while doing sport and simplifying your fueling

Q:

Can I travel with Maurten gels in my hand luggage?

A:

Yes. Gels are safe to take on an airplane but are considered to be liquids. Check local regulations for hand luggage, as rules for liquids may vary by country or airline. Place the gels in a clear bag for liquids when going through security with hand luggage.

Q:

How can I dispose of my gel sachet?

A:

The gel sachet is not recyclable due to its multi-layer construction (plastic–aluminum–plastic). Follow your local waste disposal regulations.

Q:

Why can’t I purchase Gel 100 Caf 100 on maurten.com in Belgium?

A:

Gel 100 Caf 100 cannot be sold in Belgium due to local regulations. This states that products specifically like caffeinated sports gels are classified as supplements — supplements cannot contain more than 80 mg of caffeine per serving. As this only applies to caffeinated gels, Maurten Drink Mix 320 Caf 100 is still available in Belgium.

Drink Mix

Q:

What is Maurten Drink Mix?

A:

Maurten Drink Mix is a liquid carbohydrate sports fuel based on Hydrogel Technology. It is the fueling platform behind some of the greatest performances in history — particularly in the marathon. When mixed with 500 ml of water, it produces a performance-ready, liquid carbohydrate fuel for consumption during training and racing.

Drink Mix is not like other sports drinks. Based on Hydrogel Technology, Drink Mix instantly converts to a gel in the acidity of the stomach — the gel encapsulates the carbohydrates and carries them through the stomach to the intestine to be absorbed and used as fuel.

Q:

What do the numbers 160 and 320 in the Maurten Drink Mix product names mean?

A:

The number refers to the amount of calories (kcal) per serving. This numbering system is based on the energy available from each gram of carbohydrate (1g = 4 kcal). This allows athletes to quickly understand the carbohydrate and energy content in each product — and to plan fueling strategies with precision.

Differences between Drink Mix products

Q:

What are the differences between the different Drink Mix products?

A:

Maurten Drink Mix is a liquid carbohydrate sports fuel that — unlike other sports drinks — uses Hydrogel Technology. It’s a drinkable gel — transforming from a liquid to a hydrogel when coming into contact with stomach acid. This helps to reduce the discomfort of liquid sloshing in the stomach, making it easier for athletes to consume liquid carbohydrate fuel during high-intensity exercise.

All Drink Mix products can be consumed as a carbohydrate preload before exercise, during training and racing, or post workout for quick refueling. Not only does it provide energy from carbohydrates, but it also hydrates — making it a good fueling option in hot and humid conditions.  

Drink Mix 160

Designed to help athletes consume carbohydrate liquid fuel during longer, lower intensity training and racing, Drink Mix 160 contains 40 grams of carbohydrates when dissolved in 500 ml of water.    

Drink Mix 320

Designed to help athletes consume carbohydrate liquid fuel during high-intensity training and racing, Drink Mix 320 contains 80grams of carbohydrates when dissolved in 500 ml of water.  

Drink Mix 320 Caf 100

Designed to help athletes consume carbohydrate liquid fuel during high-intensity training and racing, Drink Mix 320 Caf 100 contains 80 grams of carbohydrates and 100 mg of caffeine when dissolved in 500 ml of water. 

Q:

Are Maurten Drink Mixes isotonic or hypertonic?

A:

Drink Mix 160 is isotonic. Drink Mix 320 — given its high content of both maltodextrin and fructose — is hypertonic.

Q:

Why are 2 x sachets of Drink Mix 160 not equivalent to 1 x Drink Mix 320? What are the differences?

A:

Drink Mix 160 contains 13 grams of fructose (fructose/glucose ratio of 0.5:1) — allowing for a total carbohydrate intake of up to 80-90g per hour.

Drink Mix 320 contains 33 grams of fructose (fructose/glucose ratio of 0.7:1) — the high fructose content allows for a total carbohydrate intake higher than 90g per hour.

Drink Mix product composition

Q:

What ingredients are in Maurten Drink Mix?

A:

Maurten Drink Mix contains maltodextrin, fructose, sodium alginate, pectin, salt, and sodium bicarbonate. There are no added flavors, colors, preservatives, or sweeteners. Learn more here.

Q:

Does Maurten Drink Mix have any added flavorings or colors? 

A:

Maurten Drink Mix does not contain any added flavors, preservatives, or colorants.

Q:

Why does Drink Mix contain sodium bicarbonate?   

A:

Unlike the Maurten Bicarb System, the amount of sodium bicarbonate in Drink Mix is minimal and serves a completely different function. Many sports drinks are acidic, which can harm teeth enamel. The sodium bicarbonate in Drink Mix helps to maintain a neutral pH (not lower than pH 6). Drink Mix does not counteract rising acidity in the blood during high-intensity exercise like the Maurten Bicarb System.

Q:

What is the ratio of maltodextrin to fructose in Drink Mix?

A:

Drink Mix 160: maltodextrin:fructose ratio of 1:0.5

Drink Mix 320:  maltodextrin:fructose ratio of 1:0.7

Drink Mix 320 Caf 100: maltodextrin:fructose ratio of 1:0.7

Glucose and fructose use different intestinal transporters to maximize carbohydrate absorption and increase gastrointestinal tolerance. Research shows the ratio used in Drink Mix 320 and Drink Mix 320 Caf 100 (1:0.7) enables higher total intake by increasing fructose to fill the gap once glucose is saturated. This ratio and combination of types of sugars allow for greater utilization of carbohydrates during exercise, helping athletes sustain high intensities for longer durations.

Q:

Is Maurten Drink Mix vegan? 

A:

All Maurten Drink Mix products are made using ingredients that are vegan and certified as free from common allergens, but Maurten products are not certified vegan.

Q:

Is Maurten Drink Mix gluten-free?

A:

While Drink Mix is made using ingredients that are free from gluten and other common allergens, the final product is not certified as gluten-free.

Q:

Where is Maurten Drink Mix produced?

A:

Drink Mix is produced in Denmark.

How to use Drink Mix

Q:

How do I prepare Drink Mix?

A:

1. Use a Maurten 500 ml water bottle or Maurten Drinkflask 550 ml.

2. Fill the bottle with clean water (with up to 80 mg of calcium per liter of water) to the neck. Maurten 500 ml bottles have this fill-line marked. The Maurten Drinkflask 550 ml has an additional 50 ml of capacity for mixing the powder.

3. Pour the sachet of Drink Mix into the bottle — on top of the water.

4. Shake vigorously until the Drink Mix is fully dissolved in the water, with no lumps or residual mix at the bottom of the bottle.  

Q:

Can I mix 2 x sachets with 500 ml of water?

A:

Yes. However, Drink Mixes are developed to be mixed with the ratio of 1 x sachet and 500 ml of water, which creates the intended strength of the hydrogel binding.

If you mix the Drink Mix in more water than recommended, you will dilute the gelling components and make the hydrogel progressively weaker. This means that the hydrogel structure won’t be as strong as intended and could potentially make you more prone to stomach issues.

Mixing more than 1 x Drink Mix with 500 ml of water  will create a higher concentrated drink, making it sweeter and thicker, with the resulting hydrogel stronger. It’s strongly advised to practice the tolerance of Drink Mix before implementing it in a race day strategy.

Q:

Which type of water should I use?

A:

Maurten Drink Mix based on hydrogel is advanced, and the function relies on precise circumstances. We recommend that you do not mix it with water that contains high levels of minerals (>80 mg/L calcium). Mixing with higher calcium concentrations can make the drink mix harder to dissolve.

To determine the calcium content in your water accurately, contact your local water supplier to assist you or search online.

When mixing Drink Mix with cold water, it takes a longer time to dissolve. Shake the bottle more from the beginning to ensure it mixes well.

Q:

Can Maurten Drink Mix be used with a hydration system? How should it be prepared?

A:

Yes. Maurten Drink Mix can be used with a hydration system. First, prepare each Drink Mix individually in a bottle. Shake until fully dissolved. Then, pour the prepared Drink Mix into your hydration pouch. This ensures correct preparation of the Drink Mix and optimal delivery of the carbohydrates.

Q:

Do I need to add electrolytes?

A:

No.

There is no strong scientific evidence to support that athletes need to add electrolytes during activities. Electrolytes can be used at the athlete's discretion during hard training, racing, or in warm conditions. If you want to add electrolytes, add them for your recovery — but they should not be used in immediate conjunction with Maurten products.


Many electrolytes — magnesium, potassium, calcium, sodium — attract alginate molecules that create a competitive environment where fewer alginate molecules will be able to create cross-links with hydrogen ions in the stomach. This means the hydrogel strength will be reduced.

Q:

How long before Maurten Drink Mix takes effect?

A:

It takes between 20-30 minutes for half of a 500 ml bottle of Drink Mix to give effect.

The efficiency of Maurten Drink Mix relies on a chemical reaction that takes place in the stomach between the pH-sensitive Drink Mix and the stomach's acidic environment. Therefore, all factors that alter pH in the stomach might have a negative effect — such as the consumption of other products.

One factor that can disrupt the hydrogel formation is the consumption of a large amount of water (pH 6–7) prior to fueling with Maurten products. This is because too much water can theoretically dilute gastric acid.

Q:

Can I drink water at the same time as consuming Drink Mix?

A:

You can drink water alongside Drink Mix. It’s optimal to wait 10-15 minutes after you have consumed Drink Mix for the hydrogel formulation to occur in the stomach before drinking water.

Q:

Can I prepare Drink Mix the day before a race or training?

A:

Maurten Drink Mix 320, Drink Mix 320 Caf 100, and Drink Mix 160 do not contain any preservatives. We recommend consuming the drink within 24 hours after mixing it with water.

As for any drink containing sugar and no preservatives, it will stay fresh for a longer time if kept refrigerated. Store in cooler temperatures for longer storage — up to 24 hours. Do not heat Maurten products to more than 60°C.

Q:

Can I freeze Drink Mix overnight and drink it the next day?

A:

Yes, you can freeze or refrigerate Drink Mix without any disruption to the hydrogel or product — we do recommend mixing only 1 x Drink Mix sachet with 500 ml of water and drinking it within 24 hours of mixing. Be sure to allow enough time for it to thaw prior to drinking — allowing it to turn from slushie form back to liquid again.

Q:

Can I use Drink Mix alongside other Maurten products? 

A:

Yes. Maurten products can be combined as part of a training and racing fuel strategy. The Maurten Fuel Guides contain more information on how to combine different Maurten products for specific training sessions or races. Get more information about fueling on How to Fuel.

Q:

What if Drink Mix causes discomfort?

A:

Plan out how many grams of carbohydrates per hour you plan on taking during exercise and gradually increase to train your gut to tolerate more over time. The gut can be trained to tolerate more grams per hour over time with practice and getting used to it. Consuming a lower amount of fiber the day before and right before intense exercise helps minimize gut discomfort.

Q:

What should I do if my Drink Mix 320 solidifies?

A:

The Drink Mix 320 sachets may solidify — taking on a cake-like appearance — if they have been stored in a warmer environment than recommendations suggest. Ideally,they should be stored between 10 to 30°C (50 to 85°F) maximum. Contact customer support if you experience the Drink Mix 320 solidifying.

Q:

Can I travel with my Maurten Drink Mix in my hand luggage?

A:

Yes. Drink Mix is safe to bring on airplanes and in hand luggage specifically as it is a powder.

Q:

How can I dispose of my Drink Mix sachet?

A:

The sachet is not recyclable due to its multi-layer construction of plastic–aluminium–plastic. Follow your local waste disposal regulations.

Solids

Q:

What is Maurten Solid?

A:

Maurten Solid is a chewable carbohydrate fuel that offers a texture reset. Designed for preloading or replenishing carbohydrates during lower-intensity training or the in-between moments when opting for solid food. The easy-to-digest oat- and rice-based bar provides 40g of carbohydrates.

Q:

What do the numbers 160 in Maurten Solid mean?

A:

The number refers to the amount of calories (kcal) per serving. This numbering system is based on the energy available from each gram of carbohydrate (1g = 4 kcal). This allows athletes to quickly understand the carbohydrate and energy content in the product — and to plan fueling strategies with precision.

Q:

How can a Solid bar be used?

A:

It can be used before training or racing to preload carbohydrates, during low-to-medium intensity endurance sessions over 2+ hours, or after hard training or competition to help replenish carbohydrate stores.

Differences between Solid products

Q:

What is the difference between Solid 160 and Solid C 160?

A:

Both Solid bar options provide 40g of carbohydrates per serving — easily splitting into 2 equal parts for calculating carbohydrate consumption. Solid C 160 contains cocoa, experienced as a mild chocolate taste while Solid 160 is more traditionally oaty in flavor. Nutritional content is the same for both bars.

Solid product composition

Q:

What ingredients are in Maurten Solid 160?

A:

Solid 160 bars contain fructose-glucose syrup, oat, maltodextrin, rice flour, sugar, sunflower oil, glucose syrup, salt, rice bran, emulsifier (lecithin), and rice extract.

Q:

What ingredients are in your Solid C 160?

A:

Solid C 160 bars contain fructose-glucose syrup, oat, maltodextrin, sugar, rice flour, sunflower oil, fat reduced cocoa, salt, rice bran, emulsifier (lecithin), and rice extract.

Q:

Is Solid made with Maurten Hydrogel Technology?

A:

No. Solid complements Maurten Hydrogel Technology products by offering a textured alternative that is closer to food. It’s a fueling option can be used before, during, or after training and racing.

Q:

Are Solids suitable for vegans and vegetarians?

A:

Yes, they are suitable for both vegetarians and vegans — but the final product is not certified as vegan or vegetarian.

Q:

Are Solids gluten-free?

A:

Solid bars are made with certified gluten-free oats. However, one ingredient in Solid may contain traces of gluten — meaning the final product cannot be certified as gluten-free.

Q:

Where are Maurten Solids produced?

A:

They are produced in the Netherlands.

How to use Solid

Q:

How should Maurten Solid be consumed? How should I portion and eat a Solid bar?

A:

Solid can be eaten in smaller bites before, during, or after exercise — depending on individual preference and fueling strategy. Each Solid bar is pre-cut into two equal pieces, with 20g of carbohydrates per half. Eat a whole bar at once or split it into smaller portions throughout your session for flexible fueling. They provide an easy-to-digest carbohydrate source.

Q:

When should I use Maurten Solid instead of Gels or Drink Mix?

A:

Solids are particularly suited for:

  • Before exercise — As a carbohydrate snack or pre-race meal. They can be used before training or racing to load carbohydrates and are a great pre-race breakfast or snack in the days leading up to a big goal. Consume Solid as carbohydrate loading in the 2 days before endurance events benefiting from a carbohydrate loading protocol.   
    
  • During longer sessions at lower intensities over 2+ hours — When you want a texture reset or more solid food between fueling with hydrogel. It helps add variety to your fueling without compromising the absorption rate of carbohydrates.     
  • After exerciseand hard training sessions — Hard training sessions or races should be rewarded. Solid is a great tool for replenishing carbohydrates quickly to help with recovery.

Solid bars are not meant to replace hydrogel products during high-intensity segments but to complement your overall fueling strategy.

Q:

Are Solids suitable for all types of training?

A:

Most athletes find Solid useful during low-to-medium intensity endurance sessions over 2+ hours or as a carbohydrate option before and after training and racing. Some athletes report that eating Solid bars at high intensity can be harder to digest — many choose to consume them in combination with Drink Mix or Gels.

Q:

Can Solids cause stomach discomfort?

A:

Some athletes tolerate Solids well, while others may find chewing or digestion challenging particularly during intense efforts. Digestive tolerance varies by individual. Test Solids in training before relying on them for events and adjust your intake based on how your gut responds.

Q:

Can I travel with Maurten Solid in my hand luggage?

A:

Yes. Solids are safe to take on airplanes as it is a bar (security rules may vary by country).

Q:

How can I dispose of my Solid sachet?

A:

The sachet is not recyclable due to its multi-layer construction of plastic–aluminium–plastic. Follow your local waste disposal regulations.

Bicarb

Q:

What is the Maurten Bicarb System?

A:

The Maurten Bicarb System combines sodium bicarbonate with a specially formulated hydrogel to support high-intensity performance by helping to buffer the acid produced by active muscles during intense exercise. It is designed to make high bicarbonate doses more tolerable compared to traditional methods.

Bicarbonate can be used in training and racing for sports that require intermittent or constant intensity near or above the anaerobic threshold — such as cycling, middle-distance running, rowing, swimming, team sports, and combat sports. It can also be used in threshold (interval) training for all types of endurance sports.

During endurance events with periods of intense exercise or when athletes are able to maintain intensities at a high percentage of their maximal aerobic capacity, sodium bicarbonate has the potential to improve performance. This is currently an area of intense and ongoing research

Q:

What does the number in the Bicarb product name refer to?

A:

The number in the Bicarb product name refers to the amount of sodium bicarbonate (in grams) contained in one serving. Example — Bicarb 12 refers to a product containing 12g of sodium bicarbonate, delivered through the Maurten Bicarb System. This clear naming system helps athletes select the appropriate dose based on their needs and planned use. Calculate your Bicarb System amount here.

Q:

Who is the Bicarb System intended for?

A:

It is designed for athletes performing near or above their anaerobic threshold — such as in middle-distance running, rowing, cycling, or intense interval training. It is not primarily a carbohydrate fuel but a tool for specific performance demands.

Differences between Bicarb doses

Q:

What are the differences between the different Bicarb amounts?

A:

The different Bicarb amounts allow athletes to tailor sodium bicarbonate intake based on body weight, experience, and tolerance. Lower doses are often used by athletes new to bicarbonate supplementation, while higher doses are intended for experienced users targeting maximal buffering capacity during high-intensity efforts. All doses use the same hydrogel-based delivery system to support controlled release and improved gastrointestinal tolerance.

Q:

Which Bicarb size do I need?

A:

Calculate your optimal Bicarb size here. The appropriate Bicarb System should be selected based on the athlete's weight and their experience with the fueling product. For beginners, the recommended dose is up to ~0.25 g/kg. For more experienced athletes looking to maximize their buffering capacity and extend the bicarb effect time window, a dose of up to ~0.3 g/kg is advised.

Q:

How does the Maurten Bicarb System work?

A:

Maurten Hydrogel Technology helps with the ingestion of the mini tablets and protects them from dissolving prematurely in the stomach. Because of their small size, the mini tablets are not caught in the stomach like capsules. This results in a more controlled transfer from the stomach to the intestine where they gradually disintegrate, and the sodium bicarbonate is absorbed.

Q:

What is different about the Maurten Bicarb System?

A:

The Maurten Bicarb System is different from other bicarb solutions and bicarb capsules — the two traditional forms of sodium bicarbonate ingestion. The Maurten Bicarb System is a combination of bicarb mini tablets and hydrogel. The mini tablets are easier to swallow and facilitate the transfer from the stomach to the intestine. The hydrogel mix facilitates bicarbonate intake by protecting the mini tablets from exposure of bicarbonate to gastric acid.

Bicarb product composition

Q:

What ingredients are in the Maurten Bicarb System?

A:

Bicarb contain sugars (maltodextrin, fructose), sodium bicarbonate, modified starch, hydroxypropyl cellulose, magnesium stearate, flavor, xanthan gum, and silicon dioxide.

Q:

How much sodium is in each dose?

A:

Bicarb System 12 (12 g of Sodium Bicarbonate) = 3300 mg of sodium
Bicarb System 15 (15 g of Sodium Bicarbonate) = 4100 mg of sodium
Bicarb System 19 (19 g of Sodium Bicarbonate) = 5200 mg of sodium
Bicarb System 22 (22 g of Sodium Bicarbonate) = 6000 mg of sodium
Bicarb System 25 (25 g of Sodium Bicarbonate) = 6800 mg of sodium

Q:

How many carbohydrates are in one sachet of Component B — Hydrogel?

A:

Component B contains a total of 39.3 grams of carbohydrates.

Q:

Is the hydrogel in component B the same as in Drink Mix and Gel?

A:

No. Each of the three product types are different in terms of the hydrogel element. Do not use one Drink Mix or Gel to create the hydrogel component for ingesting the Bicarb System

Q:

Is the Maurten Bicarb System vegetarian/vegan?

A:

All ingredients are vegan. However, one ingredient is processed using a non-vegan processing aid — there are no traces of this in the final product.

Q:

Where Maurten Bicarb System produced?

A:

The Maurten Bicarb System in Italy.

How to use the Bicarb

Q:

How should I prepare the Bicarb System?

A:

Before ingesting Bicarb, it's essential to have a proper meal. Follow the instructions carefully explained here. Select “Plan my session” to access the Bicarb digital planner, mixing instructions, and more

Q:

When should I take the Bicarb System?

A:

The timing of your meal or snack before taking the Bicarb System is crucial. The system is absorbed through a process called gastric emptying, which functions best with proper timing.

Meal: Wait 1–2 hours after a large meal before ingesting the Bicarb System.
Snack: Wait 20–60 minutes after a small meal or snack.
Ingest the Bicarb System 90-120 minutes before activity for optimal results.
You can also take a Gel 100 about 15 minutes before the race.

Plan when to take the Bicarb System with the Bicarb planner here.

Q:

How long does it take for the Maurten Bicarb System to take effect?

A:

Take bicarb at least 1.5-2 hours prior to high intensity training and competition. This will allow the blood bicarbonate levels to rise in the blood to their peak by the time you are starting your session, as well as allow more time for digestion and that feeling of fullness to improve. Use the Bicarb planner — just drag the cursor to the start time of your training session or race, and it will determine timings of food and Bicarb intake.

Q:

How long do the effects of the bicarbonate last?

A:

The extended-release mini tablets help maintain elevated blood bicarbonate levels for 6-8 hours.

Q:

When should I consume the Bicarb System?

A:

The Bicarb System should be consumed 1.5–2 hours before intense exercise — warmup can begin before this. The Bicarb Digital System has been created by the Maurten nutrition team to make it intuitive to plan, prepare, and execute a bicarb session or race. It’s your personal, online bicarb nutritionist.

Q:

Do I chew the mini tablets in Component C?

A:

No. Breaking down the mini tablets by chewing will increase the amount of contact between the sodium bicarbonate and acid in the stomach. This causes a reaction that produces carbon dioxide, leading to stomach bloating. If the mini tablets are chewed and reach the intestine, this can also lead to increased lower gastrointestinal issues. The product is specifically formulated to allow you to intake the mini tablets whole within the hydrogel. It’s this combination that makes the Bicarb System effective. Make sure to closely follow the instructions for use.

Q:

Can I prepare the Bicarb System the day before a race/training?

A:

Component B (hydrogel powder) can be prepared in Component A (the bowl) with 200 ml of water the day before. It is then recommended to keep it refrigerated overnight. Component C (bicarbonate mini tablets) should only be added immediately before consuming — you can store them in the lid. Pour the mini tablets in and mix gently before consuming. Do not chew the mini tablets.

Q:

Can I split a larger Bicarb System serving size into two smaller servings?

A:

No. The Bicarb System is specifically designed with precise serving sizes to ensure optimal efficacy. Component C (bicarbonate mini tablets) and Component B (hydrogel powder) are formulated to work in synergy with their designated ratios. Altering the serving size by splitting a larger portion into two smaller servings disrupts this balance and may compromise both the effectiveness of the system and — ultimately — athlete performance.

Q:

Can any Maurten hydrogel product (Gel or Drink Mix) or any other brand of gel work to encapsulate the Bicarb mini tablets?

A:

No. The hydrogel component of the Bicarb System has been specially designed for its dual functionality:

1. Ingestion — Mini tablets, when dispersed in the hydrogel, should be kept suspended. The consistency of the hydrogel makes it easier to swallow the mini tablets.

2. Protecting against premature release of bicarbonate in the stomach by contact with gastric acid — Although other products may be called “gel” or “hydrogel”, this does not mean that they can replace the Bicarb System hydrogel.

For optimal results, always follow the recommended pairing included in the Maurten Bicarb System.

Q:

Are there any risks or side effects to the Maurten Bicarb System?

A:

The intake of sodium may lead to water retention and weight gain.

Daily or weekly high intake of sodium may lead to an increase in blood pressure. Individuals with a previous history of high blood pressure should consult with a healthcare professional before using the product.

Q:

Why do I feel thirsty when consuming the Bicarb System?

A:

Thirst is commonly noticed with Bicarb intake given the extremely high dose of sodium in the product. Ensure you are fully hydrated before training or racing. Sticking to plain water will help both fluid balance and quench your thirst. You will likely need to increase fluid intake after exercise to reduce thirst perception.

Q:

How often can I use the Maurten Bicarb System?

A:

We recommend not exceeding 2–3 doses per week. On days when using the Maurten Bicarb System, there is no need to take sodium supplements.

Q:

Is the Bicarb System suitable for athletes under 18 years old?

A:

Maurten does not recommend the use of Bicarb for those younger than 18 years old. This product is specifically designed for adult athletes and its high sodium content makes it unsuitable for children.

Q:

Can I travel with the Maurten Bicarb System in my hand luggage?

A:

Yes. The Bicarb System is safe to take on airplanes as it is a powder and mini tablets that are solid (security rules may vary by country).

Q:

How do I dispose of the Bicarb System sachets?

A:

The sachet is not recyclable due to its multi-layer construction of plastic–aluminium–plastic. Follow local waste disposal regulations.

Bottles and Soft Flasks

Q:

Why does Maurten offer specialized bottles and flasks?

A:

Maurten bottles and flasks are designed to support precise fueling and hydration. The different bottles and softflasks help ensure accurate Drink Mix preparation, while Gel Flasks allow for convenient, compact storage of gels during training and racing.

Q:

Can I use other bottles or flasks with Maurten products?

A:

Yes. As long as the bottle or flask provides accurate volume measurement and is comfortable to use, you can use your own. However, Maurten containers are optimized to simplify correct mixing and fueling on the move.

Q:

What materials are Maurten bottles and flasks made from?

A:

Maurten bottles and flasks are made of durable, BPA and PVC-free materials suitable for repeated use in training and competition

Q:

What should I do before using a Maurten bottle for the first time?

A:

Always wash the bottle before first use. This helps ensure hygiene and removes any residue from manufacturing or packaging before preparing Drink Mix.

Q:

How do I store bottles and flasks between uses

A:

Rinse and air dry the bottles and flasks after use. Store in a cool, dry place. Avoid exposure to prolonged direct sunlight.

500ml and 750ml bottles

Q:

Why is the Maurten 500 ml bottle positioned for use with Drink Mix?

A:

Drink Mix is formulated around a 500 ml water volume per sachet. Using a properly marked 500 ml bottle helps ensure the correct ratio for hydrogel formation and optimal carbohydrate availability during exercise.

Q:

Can I prepare Drink Mix directly in a Maurten bottle?

A:

Yes. Fill the bottle with 500 ml of water, add a Drink Mix sachet, and shake until it dissolves. This method is convenient and supports correct fueling proportions.

Q:

Can the bottle leak?

A:

No. When closed properly, the bottle is designed to securely contain Drink Mix. Make sure the cap is fully tightened before activity. The bottle also features a lockable mouthpiece, which can be rotated to help prevent leakage when not in use.

Q:

How should I use the 750 ml bottle if Drink Mix is designed for 500 ml of water?

A:

The 750 ml bottle is designed primarily for cyclists and triathletes who carry one or two bottles in a bike bottle cage during longer training sessions or races. Two 750 ml bottles provide a total of 1.5 L of fluid, which corresponds to three Drink Mix sachets split across two bottles.

You can also use a more concentrated approach by mixing two Drink Mix sachets into 750 ml of water. This results in higher carbohydrate concentration and a stronger intake per sip. If you choose this option, we recommend practicing in training to ensure tolerance and comfort before using it in competition

Fly-bottle 550ml and 980ml

Q:

Why can’t I access the elite bottles?

A:

Elite bottles part of an exclusive offering to Maurten Members. Members who are level 2 and above are able to purchase them. If you’re not a member, sign up for free here.

Q:

Can I prepare Drink Mix directly in a Maurten bottle?

A:

Yes. Fill the bottle with 500 ml of water, add a Drink Mix sachet, and shake until it dissolves. This method is convenient and supports correct fueling proportions.

Q:

What are the differences compared to other Maurten bottles?

A:

Compared to the standard Maurten bottle, the Elite Fly bottles are lighter and easier to squeeze. The softer bottle body delivers a higher flow of liquid with less pressure, making them better suited for racing and high-intensity riding where quick fueling matters.

Q:

Can the bottle leak?

A:

No. When closed properly, the bottle is designed to securely contain Drink Mix. Make sure the cap is fully tightened before activity. The bottle also features a lockable mouthpiece, which can be rotated to help prevent leakage when not in use.

Q:

How should I use the 950 ml bottle if Drink Mix is designed for 500 ml of water?

A:

The 950 ml bottle is designed primarily for cyclists and triathletes who carry one or two bottles in a bike bottle cage during longer training sessions or races.

You can also use a more concentrated approach by mixing two Drink Mix sachets into 950 ml of water. This provides a higher carbohydrate concentration and a stronger intake per sip. If choosing this strategy, we recommend practicing in training to ensure tolerance and comfort before using it in competition.

Gel Flask 150ml

Q:

How many Maurten Gels can I use in the Gelflask?

A:

Squeeze 3 x Gel 160 into the Maurten Gelflask to have 120 grams of carbohydrates available. Another option is 5 x Gel 100 for 125 grams of carbohydrates.

Q:

How do I squeeze a gel into the Gelflask?

A:

Open the gel sachet. Shape the gel into a cylindrical form to carefully insert it into the opening of the Gelflask. Then, squeeze the gel gently into the flask. Repeat with additional gels as needed — up to 3 x Gel 160 or 5 x Gel 100.

Q:

How should I fill the Gelflask?

A:

Remove the lid. Open the gel sachets individually and squeeze each gel into the flask. Replace the lid and ensure the flip-top is closed.

Q:

What does the '150' in Gelflask 150 ml refer to?

A:

150 is the volume of the flask in milliliters. It equates to 200 grams of Gel 100 or 180 grams of Gel 160.

Q:

Can I put Drink Mix into the Gelflask?

A:

No. The Gelflask has a smaller volume and a valve that's designed specifically for the consistency of gels.

Q:

How should I clean and dry the Gelflask?

A:

Warm, soapy water is appropriate for hand washing. The flask is also dishwasher safe — top rack only. The flask always dries best if left upside down in a rack.

Drink Flask 550ml

Q:

What does '550' in Drinkflask 550 ml refer to? 

A:

550 is the volume of the Drinkflask in milliliters. It allows 500 ml of water plus an additional 50 ml that gives enough space in the flask for dissolving Drink Mix.

Q:

How can I fill the Drinkflask with Drink mix?

A:

Remove the bite-valve lid and fill the flask with 500 ml of water. Add one Drink Mix sachet, close the lid securely, and shake until the powder is fully dissolved.

Q:

How should I clean and dry the Drinkflask?

A:

Warm, soapy water is appropriate for hand washing. The flask is also dishwasher safe — top rack only. The flask always dries best if left upside down in a rack.

HydraPak SkyFlask — made for hydrogel

Q:

What is the difference between the SkyFlask and other Maurten flasks?

A:

The SkyFlask features a hand strap and an innovative thumb loop that allows you to hold it securely in either hand without gripping or squeezing. Soft neoprene is designed for comfort and to reduce the likelihood of chafing.

Q:

Why is there a pocket on the SkyFlask?

A:

The pocket allows you to carry a Maurten Gel 100 or Gel 160 with the flask, providing convenient access to additional carbohydrates.

Q:

Can I prepare Drink Mix directly in the SkyFlask?

A:

We recommend preparing Drink Mix separately in a bottle first. Shake well until fully dissolved and then pour it into the SkyFlask. This method ensures proper preparation and optimal carbohydrate delivery.

Alternatively, you can mix one Drink Mix sachet directly with 350 ml of water — the volume of the SkyFlask — for a more concentrated carbohydrate intake per sip. If you choose this approach, we advise practicing during training to ensure tolerance and comfort before using it in competition.

Q:

Is the SkyFlask easy to refill quickly at aid stations?

A:

Yes, it is designed for fast refills with the SpeedFill™ flip-open cap. The cap snaps closed, providing a leak-proof seal.

Q:

Can I freeze Drink Mix in the SkyFlask?

A:

Yes, the material tolerates freezing. Just be sure to leave some space for expansion.

Q:

Is it leak-proof?

A:

Yes, the SpeedFill™ cap snaps closed to create a leak-proof seal.

Q:

How do I clean the SkyFlask?

A:

The hand strap is removable for easy cleaning. The flask and cap are dishwasher safe when placed on the top rack, while the strap should be rinsed and hand washed.

Q:

Is the flask compressible — does it collapse while drinking?

A:

Yes, if the side pocket is empty — without a Maurten Gel, you can squeeze the flask so it shrinks as you drink.

Q:

Can I put it in a running vest instead of using the hand strap?

A:

Yes, the soft flask body fits many running vest pockets, although the SkyFlask is primarily designed as a hand-held tool.

Fuel Planner

Q:

What is the Fuel Planner?

A:

The Fuel Planner is a digital tool for runners, cyclists, and triathletes to create course-specific fueling plans — based on the athlete’s unique physiology and pace. It is a progression from static guides to an immersive, educational, and dynamic fueling platform.

The Fuel Planner also includes an edit feature that gives athletes the ability to fully control their fuel plan or lean on the prescribed guidance as they learn to master the art of fueling. Visualizations of the course elevations and route maps give context to the fuel timing. Calculations provide the athlete with a transparent insight into what dictates their fueling expenditure and needs.

Q:

Who is the Fuel Planner for?

A:

The Fuel Planner is a tool for anyone seeking advice on how to fuel for a running, cycling, or triathlon event. The Fuel Planner can be used by both recreational and sub-elite athletes to create intuitive fuel plans and receive educational material that explains the reasoning behind the plan.

Understanding the Fuel Planner

Q:

How should I use the Fuel Planner?

A:

The Fuel Planner is a nutritional recommendation tool that provides individualized fuel plans and insights — currently optimized for racing. By answering a few questions, the planner creates a detailed plan with pre-race, during-race, and post-race recommendations. In edit mode, these recommendations can be customized further by adding personal preferences. On the export page, the fuel protocol can be saved to the device, or the user can return to maurten.com.

Q:

I don’t understand what I am supposed to do with the Fuel Planner?

A:

The fuel planner is your guide to fueling on race day. Start by choosing a sport. Then, add the required information, select an event, and provide some personal data. Based on this, you will be given a fueling protocol on the protocol page. Then, you can either navigate to the export page to save your fuel plan or dive deeper into the art of fueling on any of the other pages.

Q:

My fuel plan contains fewer carbohydrates per hour than expected.

A:

Up until now, fuel guides have been limited due to generalized recommendations to fit a large audience. The Fuel Planner adds a layer of individualization. This process broadens the set of relevant fuel plans, as athletes of all levels and sizes can get their optimized fuel plan.

Q:

Why do the Fuel Planner recommendations not align with the race pack offered by Maurten?

A:

Maurten Race Packs — curated by the Maurten Nutrition Team — are designed to meet the fueling needs of race weekend for a broad range of runners, without including an excess number of products.

The output of the Maurten Fuel Planner is based on the specific physiology and pace goal of the individual athlete — considering this, the products suggested by the Fuel Planner may differ from the fuel strategy covered by a Race Pack.

Q:

Does the Fuel Planner include Bicarb System recommendations?

A:

No, the first version of the Fuel Planner focuses on carbohydrates. Bicarb will be added to the Fuel Planner later in 2026.

Q:

Does the Fuel Planner currently take the environment into account?

A:

The current version of the Fuel Planner attempts to pull weather data from external sources if a pre-defined course is selected or a custom course is uploaded. For those scenarios, we will display the weather during the race on the “Course” tab. The environmental impact on fueling will be added later in 2026.

Q:

Why doesn’t the Fuel Planner make any recommendations for water intake?

A:

The first version of the Fuel Planner focuses on carbohydrate intake. The introduction of the impact of weather on fueling is a natural stepping stone to hydration recommendations that will happen later in 2026.

Using the Fuel Planner

Q:

Is the Fuel Planner meant to be used for training or racing?

A:

In the current version, the fuel plans are optimized for racing. Training is always contextually driven — the training before and after a given session heavily impacts fueling. In racing, on the other hand, we can assume that the athlete is preparing for the race by taking it easy in training and that there will be time after the race to recover.

Q:

My race is not in the list of available races. What do I do?

A:

The Fuel Planner has the capability to analyze and provide a fuel protocol for any course. This is done by selecting “custom event” on the event selection page and uploading a .GPX file of the course. The Fuel Planner will analyze the course and input data, and create a fuel protocol for the provided course.

Q:

Each hour in my cycling plan contains a different number of grams of carbohydrates. Why?

A:

If a course file is available, the Fuel Planner will analyze the elevation changes of the course and try to determine where the optimal zones for fueling are. Optimality is considered a trade-off between incline, desired overall intake per hour, and duration in the race. In some cases, the result is a fuel plan where the target intake per hour differs. The intention is to help a rider to fuel by avoiding heavy intakes in sections where fueling is difficult.

Customization and my profile via the Fuel Planner

Q:

The Fuel Planner gives a recommendation for products that I don’t prefer. Can I change the output to another product type?

A:

Yes, you can. In the “edit mode”, you can toggle the product preferences to any combination of products. This will give you a new fuel plan, containing only the preferred product types.

Q:

I will not use the on-course fueling stations. Can the Fuel Planner take this into account?

A:

Yes, it can. In the “edit mode”, you can deselect one or more of the on-course fueling stations.

Q:

How can I add on-course fueling stations to custom events?

A:

In the “edit mode”, you can add any on-course fueling stations. Manually added stations are denoted “fixed products”, as they are stationary and will always be consumed at a given timepoint. By adding and pressing the “optimize button”, the Fuel Planner will give you a personalized fuel protocol including these fixed products.

Q:

I prefer to use a mix of Maurten products and other products; can the Fuel Planner help me optimize that?

A:

Yes, it can. In the “edit mode”, you can drag and drop any custom products onto the course. You will have to provide the nutritional facts for this product yourself. Once added, the Fuel Planner will evaluate your fuel protocol, including your custom product, and indicate possible shortcomings.

Q:

Can I save my nutritional plan? What type of file? Export?

A:

On the “export page” of the Fuel Planner, the user can save the plan to the device they are currently on as a PDF. They can also save the plan to a different device by scanning a QR code. When the Fuel Planner is available at a race expo, there is sometimes the option to print the fuel plan as a receipt.

Q:

Can I sync it to my smart watch, so I get the timings in my watch?

A:

No, not yet, but maybe in the future.

Q:

How does Maurten handle my personal data?

A:

The data policy, terms and conditions, and privacy policy are all available here: Privacy Policy and Terms and conditions

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