SiS Beta Fuel Gel: Elevate Your Performance with SiS's High Carb Formula

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Feed Score

SiS Beta Fuel Gel

RepurchaseRateCustomerRecommendedCustomerReviewsSalesRankSiS Beta Fuel GelCategoryAverage

Feed Score rates products based on their repurchase rate, customer reviews and satisfaction, and sales rank. Learn more: Feed Score FAQ.

caffeine

0mg

carbohydrates

40g

sodium

200mg

SiS Beta Fuel Gel

Visit the Science in Sport Store

Review Rating: 4.8 /5

(1233 reviews)

$4.49

Free Shipping

In Stock

HSA/FSA Eligible

SelectFlavor

Raspberry & Lemon + ElectrolyteOrangeStrawberry & LimeNeutralVariety Pack

SelectSize

Single Serving

$4.49

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Box of 6

$19.99 ~~$24.99~~

Product Description

When it comes to performance gels, SiS Beta Fuel sits at the top of the food chain. 40g of carbohydrates in a single gel – that's 30-50% more than the competition without the gut-wrenching consequences

The Science That Works

The breakthrough 1:0.8 maltodextrin-to-fructose ratio isn’t just marketing speak – it’s engineered to maximize absorption while minimizing the stomach revolt that ruins races.

Most gels dump sugar into your system and hope for the best. Beta Fuel feeds your muscles through dual pathways without overwhelming your digestive system.

pH-Neutral Perfection

Science in Sport cracked the code with their neutral pH solution. Your intestines can process this gel at the correct rate instead of fighting an acidic sugar bomb. No more choosing between fuel and comfort – you get both.

Clean Flavors, No Junk

Orange and Strawberry & Lime deliver serious taste without artificial nonsense. Need something completely neutral? They’ve got that too. Because sometimes you just want fuel without the flavor circus.

Deployment Strategy

One gel every 30 minutes during efforts over 90 minutes. Start early, stay consistent, and let the science handle the rest. Easy to carry, easier to consume, impossible to mess up.

This isn't just another gel – it's the new standard for high-carb fueling.

Nutrition Facts

Select size / flavorSingle Serving / Raspberry & Lemon + ElectrolyteSingle Serving / OrangeSingle Serving / Strawberry & LimeSingle Serving / NeutralBox of 6 / Variety PackBox of 6 / Raspberry & Lemon + ElectrolyteBox of 6 / OrangeBox of 6 / Strawberry & LimeBox of 6 / NeutralBox of 18 / Variety PackBox of 18 / Raspberry & Lemon + ElectrolyteBox of 18 / OrangeBox of 18 / Strawberry & LimeBox of 18 / NeutralBox of 30 / Variety PackBox of 30 / Raspberry & Lemon + ElectrolyteBox of 30 / OrangeBox of 30 / Strawberry & LimeBox of 30 / Neutral

Vegan
Sport Tested: Informed Sport
Fat

Protein

Sugar

19g

Sodium

200mg

Carbohydrates

40g

Fiber

Amount Per Serving
Calories
% Daily Value*
Total Fat 0g


Cholesterol 0mg
Sodium 200mg
Total Carbohydrate 40g


Protein 0g
Caffeine 0mg
Chloride 300mg

\* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

\\ Daily Value (DV) not established

Ingredients forSiS Beta Fuel Gel(Single Serving / Raspberry & Lemon + Electrolyte): Water, Maltodextrin, Fructose, Sodium Chloride, Natural Flavoring, Acidity Regulators (Citric Acid, Sodium Citrate), Gelling Agents (Gellan Gum, Xanthan Gum), Flavoring, PReservatives (Sodium Benzoate, Potassium Sorbate).

Satisfaction Guarantee

Always Happy Promise: Don't like a product? Tell us within 30 days of receipt and we'll make it right and make you happy. Here at The Feed, we want you to love your experience and the sports nutrition products you purchase. If, for any reason, you are not satisfied with your nutrition specific purchase, tell us.

We do not accept returns on food items that have been opened, but we will issue a store credit if you are unsatisfied. In the event of a return, you must first contact us before sending back a return shipment.

Consumable products over $40 receive a 50% store credit. This includes specialty nutrition products such as ketones or supplements/vitamins.

Reviews from our customers

Rated 4.8 out of 5 stars

1,233 Reviews

1,233 verified reviews with an average of 4.8 stars out of 5 by Okendo Reviews

Scott V. T. CO, United States

Verified Buyer

Rated 5 out of 5 stars

Still the best.

I almost rage quit when they raised their prices. Turns out, even at the new price they’re the best gel around.

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Joan L. LA, United States

Verified Buyer

Rated 5 out of 5 stars

Easy to digest

I like these gels because the flavor isnt too strong for me and they are easy on my stomach. I only wish they opened easier on the bike so I tend to put them in a flask for easier access.

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Kimberly H. CO, United States

Verified Buyer

Rated 5 out of 5 stars

Refuels

been really impressed with SiS Beta Fuel Gel. The consistency is much thinner than many other gels, so it’s easy to swallow without feeling sticky or overly thick, even during hard efforts. It goes down smoothly and has been easy on my stomach during long trail runs.

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Frequently bought together

Finally, fuel and hydration that don’t force you to choose.

The new Beta Fuel + Electrolyte Gel combines SiS’s proven 1:0.8 ratio with essential electrolytes in one package. 40 g of carbohydrates engineered for maximum absorption without gut revolt – now with the sodium your body craves during sweat-soaked efforts.

Built for endurance athletes pushing beyond two hours when conditions demand both fuel and electrolyte replacement.

One gel. Dual pathways. Zero compromises.

When sweat meets science.

Hot conditions? High sweat rates? Sessions pushing past two hours? This is your answer. SiS packed their pro athlete-approved 40 g carb formula with the electrolytes your body dumps through sweat.

The same 1:0.8 ratio that revolutionized endurance fueling – now engineered to replace what heat steals from your performance. Take 1-2 gels per hour when conditions get serious.

Because your PR doesn’t care about the weather.

SiS Beta Fuel Gel - FAQ

SiS Beta Fuel Gel, Answered

What makes Beta Fuel different from other gels?

Two things: the carb load and the ratio. Each gel delivers 40g of carbohydrates — 30-50% more than most gels on the market. And it uses a 1:0.8 maltodextrin-to-fructose ratio, which feeds your muscles through two separate absorption pathways simultaneously. More fuel in, less gut stress. Most gels pick one or the other. Beta Fuel does both.

What's the deal with the maltodextrin-to-fructose ratio?

Your gut has two separate transporters for absorbing carbs — one handles glucose (from maltodextrin), the other handles fructose. Most gels overload just one pathway, which is where GI issues come from. The 1:0.8 ratio is engineered to max out both pathways at the same time, so you can absorb more carbs per hour without the stomach revolt. It's the same science behind high-carb fueling protocols used by World Tour pros.

Is it vegan and gluten-free?

Vegan, yes. Gluten-free and dairy-free, no — worth noting if you have sensitivities. Check the label for your specific flavor before use.

SiS Beta Fuel Gel Reviews

4.8

Rated 4.8 out of 5 stars

Based on 1,233 reviews

5 Rated out of 5 stars

1.1k

Total 5 star reviews: 1.1k

4 Rated out of 5 stars

104

Total 4 star reviews: 104

3 Rated out of 5 stars

Total 3 star reviews: 26

2 Rated out of 5 stars

Total 2 star reviews: 11

1 Rated out of 5 stars

Total 1 star reviews: 11

Gel ConsistencyRated 2.8 on a scale of 1 to 5

Thin / Liquid Thick / Solid

TasteRated 3.3 on a scale of 1 to 5

Neutral Very Sweet

Flavor IntensityRated 3.0 on a scale of 1 to 5

Mild Taste Strong Taste

Ease of Consumption While MovingRated 2.3 on a scale of 1 to 5

Easy on the go Hard on the go

95% would recommend this product

Slide 1 selected

Reviews Summary

Generated by AI from 100 most recent customer reviews

Last updated 2/27/26

Customers say these energy gels have a smooth, liquid-like consistency that goes down easily without water. Many appreciate the mild, pleasant flavors and find them gentle on the stomach during endurance activities. Users report the high carb content provides sustained energy for long runs and rides. Some mention the packaging can be challenging to open, particularly with sweaty hands. While most enjoy the taste, a few find certain flavors too mild or prefer other varieties.

Customers Talked About

Taste
Texture
Digestibility
Energy
Nutrition

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1,233 reviews

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Scott V. T. CO, United States

Verified Buyer

I recommend this product

Primary Sport Running

Product Standouts Easy to take without water, Goes down smooth, Easy on the stomach, Reliable during long efforts

Rated 5 out of 5 stars

8/6/26

Still the best.

I almost rage quit when they raised their prices. Turns out, even at the new price they’re the best gel around.

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Was this helpful?

Yes, this review from Scott V. T. was helpful. 0 people voted yesNo, this review from Scott V. T. was not helpful. 0 people voted no

Joan L. LA, United States

Verified Buyer

I recommend this product

Primary Sport Triathlon

Your Age 40-59

Gender Female

How many hours a week do you train? 5-10 hours

Product Standouts Easy to take without water, Goes down smooth, Easy on the stomach, Reliable during long efforts, No energy crash

Rated 5 out of 5 stars

8/6/26

Easy to digest

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Was this helpful?

Yes, this review from Joan L. was helpful. 0 people voted yesNo, this review from Joan L. was not helpful. 0 people voted no

Kimberly H. CO, United States

Verified Buyer

I recommend this product

Primary Sport Running

Your Age 30-39

Gender Female

How many hours a week do you train? Over 10 hours

Product Standouts Easy to take without water, Reliable during long efforts

Rated 5 out of 5 stars

8/6/26

Refuels

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Was this helpful?

Yes, this review from Kimberly H. was helpful. 0 people voted yesNo, this review from Kimberly H. was not helpful. 0 people voted no

Tyler C. AZ, United States

Verified Buyer

I recommend this product

Primary Sport Cycling

Your Age 40-59

Gender Male

How many hours a week do you train? Over 10 hours

Product Standouts Easy to take without water, Goes down smooth, Easy on the stomach, Great Value, No energy crash

Rated 5 out of 5 stars

8/6/26

Go to gels

My staple gel. Easy on stomach and packs 40g carbs per. Easy math combining beta products. All the flavors are excellent but I love strawberry lime and neutral

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Yes, this review from Tyler C. was helpful. 0 people voted yesNo, this review from Tyler C. was not helpful. 0 people voted no

Gabrielle B. MA, United States

Verified Buyer

I recommend this product

Primary Sport Running

Your Age Under 30

Gender Female

How many hours a week do you train? 5-10 hours

Product Standouts Easy to take without water

Rated 5 out of 5 stars

8/6/26

LOVE !!!

Thank yall for allowing me to try so many new things!!! The gels sit well and make me feel amazing:))

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Yes, this review from Gabrielle B. was helpful. 0 people voted yesNo, this review from Gabrielle B. was not helpful. 0 people voted no

Gilbert P. AL, United States

Verified Buyer

I recommend this product

Primary Sport Cycling

Your Age 60 and older

Gender Male

How many hours a week do you train? 5-10 hours

Product Standouts Easy on the stomach

Rated 5 out of 5 stars

8/5/26

Fuel Gel

Worked as advertised. Prefer the Gel that is flavored.

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Yes, this review from Gilbert P. was helpful. 0 people voted yesNo, this review from Gilbert P. was not helpful. 0 people voted no

Brian U. AL, United States

Verified Buyer

I recommend this product

Primary Sport Running

Your Age 40-59

Gender Male

How many hours a week do you train? 5-10 hours

Product Standouts Goes down smooth, Easy on the stomach, Reliable during long efforts

Rated 5 out of 5 stars

8/5/26

Great!

Great gel, very easy to consume and gentle on the stomach.

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Yes, this review from Brian U. was helpful. 0 people voted yesNo, this review from Brian U. was not helpful. 0 people voted no

Lauren N. AL, United States

Verified Buyer

I recommend this product

Primary Sport Running

Your Age 30-39

Rated 5 out of 5 stars

8/5/26

Love this!

Great gel, so easy on the stomach!

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Yes, this review from Lauren N. was helpful. 0 people voted yesNo, this review from Lauren N. was not helpful. 0 people voted no

Greg K. CO, United States

Verified Buyer

I recommend this product

Primary Sport Cycling

Your Age 60 and older

Gender Male

How many hours a week do you train? Over 10 hours

Product Standouts Reliable during long efforts, No energy crash, Goes down smooth, Easy on the stomach, Great Quality

Rated 5 out of 5 stars

8/5/26

SiS Beta orange fuel gel

Great taste and a load of fast-acting carbs that I find to be particularly effective mid to late ride. With one or two beta gels I can sustain effort and power to the end of longer rides.

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Yes, this review from Greg K. was helpful. 0 people voted yesNo, this review from Greg K. was not helpful. 0 people voted no

Nicole C. CO, United States

Verified Buyer

I recommend this product

Primary Sport Running

Your Age 30-39

Gender Female

How many hours a week do you train? Over 10 hours

Product Standouts Goes down smooth, Great Quality, No energy crash, Reliable during long efforts

Rated 5 out of 5 stars

8/4/26

best gels out there

the best gels on the market. no stomach issues, just fuel!

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SiS Beta Fuel Gel Questions

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Ivette

10/14/24

How many of these can you take? I am running a marathon in November and I noticed these help during the last 10 miles and may want to use two of these gels to get me to the end of the marathon.

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The Feed

10/22/24

We recommend taking 1-2 of these gels per hour to start. If your body can handle more, feel free to experiment with eating more carbs.

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Megan

3/30/24

Are these gluten free?

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The Feed

4/2/24

Hey, Megan!

Great question. These gels are not technically gluten-free. With that being said, they do not contain any gluten ingredients.

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Cass

8/27/23

Do you have to take this with water?

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The Feed

10/26/23

You do not need to take this with water. However, additional fluids will help it absorb faster in your small intestine!

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Rafael D.

8/26/23

Should you take these with water like other gels or just straight up?

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The Feed

11/2/23

The SiS Beta Fuel Gels are meant to be taken with or without water since they have a more liquid consistency!

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Rob

8/7/23

Flying on plane w this. How many ounces is this per unit ?

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The Feed

8/24/23

SiS Beta Fuel Gel contains 2.03 ounces per gel.

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Chris B.

4/26/23

What is the sugar content? Are there any added sugars?

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The Feed

4/27/23

This gel contains 19 grams of added sugar and 40 grams of carbohydrates total.

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Postscript