By Ethan BrooksUpdated November 2026
Finding the best energy gels for endurance cycling comes down to a few practical questions: how many carbohydrates each gel delivers, whether it’s easy on the stomach at a steady effort, how much caffeine it contains, and whether the flavor is something you’ll still want at hour three. This guide compares seven widely available gels, using manufacturer specifications, brand reputation and common owner feedback as the basis. Nothing here reflects our own testing. Use it as a shortlist, then confirm details against the current label before you buy.
Our top picks at a glance
- 1
TOP CHOICEBest overallHoney Stinger Organic Fruit Smoothie Energy GelView on Amazon - 2
TOP CHOICEBest for high-carb effortsOriginal 50g Energy Gel – 50g Carbs Per Gel, 18 PackView on Amazon - 3
TOP CHOICEBest for sensitive stomachsPrecision Fuel PF30 Energy Gels (Pack of 15)View on Amazon - 4
Best for caffeine dosingGU Energy Roctane Ultra Endurance Energy Gel – Assorted Flavors, 24 CountView on Amazon - 5
Best for flavor varietyGU Energy Original Energy Gels – Raspberry Lemonade, 8 CountView on Amazon - 6
Best for dual-source fuelingScience in Sport SiS BETA Fuel Dual-Source Energy Gel – Orange, 6-PackView on Amazon - 7
Best gel alternativeSkratch Labs Energy Chews – Variety Pack, 10 PackView on Amazon
Our Top Picks
Quick Comparison
| Product | Best for | Key feature |
|---|---|---|
| Honey Stinger Organic Fruit Smoothie Energy Gel | Riders who want a clean, caffeine-free option | Gluten free and caffeine free |
| Original 50g Energy Gel (18 Pack) | Long sessions needing high carb density | 50g carbohydrate per gel |
| Precision Fuel PF30 Energy Gels | Riders with sensitive stomachs | Mild, neutral flavor; 30g carbs |
| GU Energy Roctane Ultra Endurance Energy Gel | Riders who want a caffeine option | Assorted flavors, 24 count |
| GU Energy Original Energy Gels, Raspberry Lemonade | Riders who like a single flavor they trust | Familiar gel format, 8 count |
| Science in Sport SiS BETA Fuel Energy Gel | Efforts over 90 minutes | Dual-source 2:1 maltodextrin-to-fructose blend (40g carbs) |
| Skratch Labs Energy Chews Variety Pack | Riders who dislike gel texture | Real fruit chews, vegan, gluten free |
Honey Stinger Organic Fruit Smoothie Energy Gel
Honey Stinger, Organic Fruit Smoothie Energy Gel, Gluten Free & Caffeine Free, for Exercise, Running and Performance, Sports Nutrition for Home & Gym, Pre and Mid Workout, 12 Pack, 13.2 Ounce
Best for: Riders who want a gluten-free, caffeine-free gel with a fruit-forward taste.
This gel suits cyclists who prefer to manage caffeine separately, or who need to avoid it on certain days or in certain events. It also works for riders who find sweeter, syrupy gels hard to finish.
Key specs:
- Organic fruit smoothie flavor
- Gluten free and caffeine free
- Sold in a 12-pack, 13.2 ounce total weight
Pros:
- Caffeine-free, so it doesn’t add to your daily total
- Fruit flavor many riders find less cloying than sports drink flavors
- Gluten-free formulation suits riders with dietary restrictions
Cons:
- Lower carbohydrate per packet than the highest-carb options here
- Some owners report the texture is thicker than other gels
Bottom line: A strong everyday choice for riders who want a clean, caffeine-free gel that’s easy to pair with a second fuel source on longer rides.
Original 50g Energy Gel – 50g Carbs Per Gel, 18 Pack
Original 50g Energy Gel – 50g Carbs Per Gel – No Preservatives, No Gelling Agents – Vegan & Gluten-Free – High-Carb Endurance Fuel – 18 Pack
Best for: Riders who need maximum carbohydrate per gel during long, steady efforts.
This option is aimed at cyclists who want fewer gels to hit their hourly carb target, such as during long gran fondos or multi-hour training blocks. It is marketed without preservatives and gelling agents.
Key specs:
- 50g carbohydrate per gel
- Vegan and gluten free
- No preservatives and no gelling agents, per the listing
- 18-pack
Pros:
- High carb density reduces the number of packets you carry
- Clean ingredient list that suits many dietary preferences
- Pack size works well for a full training block
Cons:
- High carb load can be hard to absorb if you’re not practiced with it
- Requires adequate water intake to digest comfortably
Bottom line: Best for experienced riders who have already tested their gut tolerance for high-carb intake during training.
Precision Fuel PF30 Energy Gels (Pack of 15)
Precision Fuel PF30 Energy Gels – Mild, Neutral Flavour Running Gels for Endurance Athletes, 30g Carbohydrate, Easy-to-Digest, Perfect for Running & Long-Duration Sports (Pack of 15)
Best for: Riders with sensitive stomachs who need a mild, easy-to-digest gel.
Cyclists who experience cramping or nausea from sweeter gels often look for a neutral flavor and moderate carb dose. This product is built around that profile and is frequently recommended in endurance nutrition discussions.
Key specs:
- 30g carbohydrate per gel
- Mild, neutral flavor
- Pack of 15
Pros:
- Neutral taste is easy to tolerate over many hours
- Moderate carb dose allows fine-grained hourly planning
- Designed for easy digestion at steady effort
Cons:
- Neutral flavor may feel bland to riders who want a strong taste
- You may need more packets than with higher-carb gels to meet the same target
Bottom line: A good pick if sweet or flavored gels have caused stomach trouble in the past.
GU Energy Roctane Ultra Endurance Energy Gel – Assorted Flavors, 24 Count
GU Energy, Roctane Ultra Endurance Energy Gel, Assorted Flavors – 24 Count
Best for: Riders who want a caffeinated gel option and a range of flavors in one pack.
This product is often chosen by cyclists who use caffeine strategically in the second half of a long ride or race. The assorted pack lets you find preferred flavors before committing to a larger order.
Key specs:
- Assorted flavors
- 24 count
- Designed for ultra-endurance use per manufacturer positioning
Pros:
- Assorted flavors reduce palate fatigue on long events
- Large count suits a full season of training
- Well-established brand with broad availability
Cons:
- Caffeine content varies by flavor, so read each label
- Gel texture is thin, which some riders find harder to swallow mid-effort
Bottom line: A practical choice for riders who want variety and a caffeine option without buying single-flavor boxes.
GU Energy Original Energy Gels – Raspberry Lemonade, 8 Count
GU Energy, Original Energy Gels, Raspberry Lemonade – 8 Count
Best for: Riders who want a single flavor they already trust, in a small trial pack.
Cyclists new to gels often start with a small single-flavor box to see how their stomach responds. Raspberry lemonade is a tart option that some riders prefer over heavier, sweeter profiles.
Key specs:
- Raspberry Lemonade flavor
- 8 count
- Standard single-serve gel format
Pros:
- Small pack makes it a low-commitment trial
- Tart flavor cuts through sweetness fatigue for some riders
- Familiar format that’s easy to carry in a jersey pocket
Cons:
- Single flavor limits variety on multi-day rides
- Smaller count means more frequent reordering for heavy trainers
Bottom line: A sensible starting point for a new rider who wants to test one flavor before stocking up.
Science in Sport SiS BETA Fuel Dual-Source Energy Gel – Orange, 6-Pack
Science in Sport Fast-Absorbing Carbohydrate Energy, 1:0.8 Maltodextrin to Fructose Ratio, 40g Carbs, Exercise Over 90 Min SiS BETA Fuel Dual-Source Isotonic Energy Gel, Orange, 6-Pack
Best for: Riders doing efforts longer than 90 minutes who want a dual-source carbohydrate blend.
Dual-source gels combine glucose-type and fructose-type carbohydrates, which many sports nutrition references describe as useful for higher total carbohydrate intake during prolonged exercise. This product is built on that principle.
Key specs:
- 40g carbohydrate per gel
- 1:0.8 maltodextrin-to-fructose ratio, per the listing
- Orange flavor, 6-pack
Pros:
- Dual-source formula supports higher hourly carb intake
- Orange flavor is a familiar, widely tolerated taste
- Pack size suits a few weekend rides
Cons:
- Fructose can cause gut discomfort in some riders at high doses
- Smaller pack means higher cost per gel than bulk options
Bottom line: Worth considering for riders who regularly exceed 90 minutes and have trained their gut on dual-source fueling.
Skratch Labs Energy Chews – Variety Pack, 10 Pack
Gummies for running, cycling & endurance, quick carbs for athletes, easy to digest, real fruit, gluten free, vegan Skratch Labs Energy Chews, Gel Alternative, Variety Pack, 10 Pack
Best for: Riders who dislike gel texture but still want a fast, portable carbohydrate source.
Chews are a common gel alternative for cyclists who find gels sticky or hard to take on the bike. This pack is aimed at riders who prefer whole-food-style ingredients.
Key specs:
- Real fruit ingredients, per the listing
- Vegan and gluten free
- Variety pack, 10 count
Pros:
- Solid texture avoids gel stickiness on hands and bars
- Real fruit ingredients appeal to riders avoiding gel-style additives
- Easy to portion across a long ride
Cons:
- Chewing takes time, which can be awkward during hard efforts
- Requires a water bottle to wash down, which adds planning
Bottom line: A good gel alternative for riders who prioritize texture and ingredient simplicity over speed of absorption.
Buying Guide
Carbohydrate Content and Type
Most gels list total carbohydrate per packet. Check whether the carbohydrate is single-source (usually maltodextrin) or multi-source (maltodextrin plus fructose). Multi-source formulas are commonly discussed for efforts longer than about 90 minutes, where you may want to exceed roughly 60 grams of carbohydrate per hour. Confirm your personal target with a sports dietitian or your coach.
Good picks for this: Science in Sport SiS BETA Fuel, Original 50g Energy Gel
Caffeine Content
Caffeine is listed per gel and varies widely across brands and flavors. Some riders use it only late in long events. If you’re sensitive to caffeine, choose a caffeine-free gel. Anyone with a heart condition or who takes medication should consult a doctor before using caffeinated products.
Good picks for this: Honey Stinger Organic Fruit Smoothie Energy Gel, GU Energy Roctane Ultra Endurance Energy Gel
Stomach Tolerance and Texture
Thick, very sweet gels are the most common cause of GI issues during cycling. Neutral flavors and thinner gels are often easier to take. Always test gels during training, not for the first time on race day.
Good picks for this: Precision Fuel PF30 Energy Gels, Skratch Labs Energy Chews
Flavor Variety
Palate fatigue sets in on long rides. Packs with several flavors let you rotate, while single-flavor boxes are easier to plan around once you know what you like.
Good picks for this: GU Energy Roctane Ultra Endurance Energy Gel, GU Energy Original Energy Gels
Packaging and Portion Size
Gel packets range from roughly 30 to 50 grams of carbohydrate. Larger packets reduce the number you carry but can be harder to absorb if you’re not practiced. Count how many you’ll need per hour and multiply by your ride length to size your order.
Good picks for this: Original 50g Energy Gel, Precision Fuel PF30 Energy Gels
Dietary Restrictions
Check labels for gluten, vegan status, and additives such as gelling agents or preservatives. Manufacturers list these on packaging, and specifications can change, so verify before purchase.
Good picks for this: Honey Stinger Organic Fruit Smoothie Energy Gel, Skratch Labs Energy Chews
Storage and Shelf Life
Store gels in a cool, dry place away from direct sun. Heat can thin or separate gel. Check expiration dates, especially on large packs bought for a full season.
Good picks for this: GU Energy Original Energy Gels, Science in Sport SiS BETA Fuel
FAQ
How many energy gels should I take per hour on the bike?
Many sports nutrition guidelines suggest 30 to 60 grams of carbohydrate per hour for moderate efforts, rising toward 90 grams per hour with multi-source fuels during very long events. Your individual target depends on body size, intensity, and gut training. A sports dietitian can help you set a plan.
Can I take energy gels with water only?
Most gel labels recommend taking them with water to aid digestion and absorption. Drinking only water with high-carb gels can slow gastric emptying in some riders, so practice your combination during training.
Are caffeinated gels safe for everyone?
No. Caffeine affects people differently, and some individuals should avoid it entirely. If you have a heart condition, high blood pressure, anxiety, or take medications, consult a healthcare professional before using caffeinated gels.
What is a dual-source energy gel?
A dual-source gel combines two types of carbohydrate, typically glucose-based maltodextrin and fructose, which may be absorbed through different intestinal pathways. Research on prolonged exercise suggests combined sources can support higher carbohydrate intake than single sources alone.
Should I train with the gel I’ll use on race day?
Yes. Gut tolerance is highly individual, and changing products on race day is a common cause of stomach problems. Use your race-day gel during several long training rides before the event.
Are gel alternatives as effective as gels?
Chews, drinks, and real-food options can provide similar carbohydrate, but their absorption speed and convenience differ. Gels are compact and quick to take, which is why many cyclists prefer them during hard efforts.
How long do energy gels last?
Shelf life varies by brand and formulation. Check the printed date on each packet and store gels in a cool place. Discard any that are expired, damaged, or have changed texture or smell.
Conclusion
For most cyclists, the best energy gel for endurance cycling is the one that delivers the carbohydrate you need without upsetting your stomach. Honey Stinger suits riders who want a caffeine-free, gluten-free option. Original 50g Energy Gel fits experienced riders who need high carb density. Precision Fuel PF30 is a sensible choice for sensitive stomachs, and GU Energy products offer caffeine and flavor variety. Science in Sport SiS BETA Fuel suits efforts beyond 90 minutes, and Skratch Labs chews are a good option for riders who dislike gel texture. Whatever you choose, test it in training first.
Sources
- Research summaries on carbohydrate intake and exercise performance from the National Library of Medicine (nih.gov)
- Labeling and dietary supplement guidance, including how caffeine content and ingredient claims are regulated (fda.gov)
- Position statements from the American College of Sports Medicine on nutrition for endurance exercise (acsm.org)
Related reading
- Top 7 Best Energy Gels While Cyclings for Endurance Rides
- 8 Best Bike Energy Gels Compared: 8 Top Picks for Cycling (2026)
- 5 Best SiS Energy Gels for Cycling: Expert Picks Compared
- 10 Best Fat Based Energy Gels for Ultra and Long Endurance Fueling
About Ethan Brooks
Ethan Brooks is part of our editorial team and reviews and edits our marathon & half-marathon guides, checking product details against manufacturer specifications and owner feedback.
