Best Energy Gels For Running Sis of 2025
Last updated on 26/09/2025
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Best Choice
1
Contrast SIS Go Isotonic Energy Gel 60ml - Mixed Flavour Packs (5 Boxes)
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Contrast SIS Go Isotonic Energy Gel 60ml - Mixed Flavour Packs (5 Boxes)
Why we love it
- Quick and easy energy.
- Safe for professional athletes.
- Inclusive of various diets.
Main Highlights
- ENERGY: Provides you with 22 grams of carbohydrate per gel
- PREPARE: Simply tear the top off the gel packet and squeeze the contents directly into your mouth. Take your rubbish home!
- INFORMED SPORT: Every Science in Sport product is tested under the Informed Sport programme and does not contain any banned substance
- SUITABLE FOR: Vegans, Vegetarians, Dairy free, Gluten Free, Wheat Free, Nut Free, Soya Free
- 5 boxes of 7 gels (35 gels in total)
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Value for Money
2
HIGH5 Aqua Caffeine Energy Gels - Running Energy Gels for Quick Muscle Fuel - Perfect Fuel Gels for Running, Cycling Energy Gels, Running Gels Energy Marathon, Sport Gels (Citrus, 20 x 66g)
HIGH5
43% OffFree Shipping
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HIGH5
HIGH5 Aqua Caffeine Energy Gels - Running Energy Gels for Quick Muscle Fuel - Perfect Fuel Gels for Running, Cycling Energy Gels, Running Gels Energy Marathon, Sport Gels (Citrus, 20 x 66g)
43% OffFree Shipping
Why we love it
- Optimum performance with instant delivery.
- Refreshing taste with light texture.
- Convenient and portable energy source.
Main Highlights
- Fast Energy When You Need It: HIGH5 energy gel delivers 23g of carbs per sachet (95 kcal) for rapid energy release during running, cycling, and endurance sports - Quick absorption carbohydrate gel to achieve peak performance when it matters most
- Science-Driven, Athlete-Approved: founded in 1994 by British triathletes, HIGH5 has spent over 30 years developing sports nutrition - Partnering with world-class athletes, we ensure our high energy gels perform under the toughest endurance conditions
- Great Performance, Better Taste: made with real fruit juice, HIGH5 carbohydrate supplement offers a light sports drink-like consistency, eliminating the need for water - We believe sports nutrition should fuel your body without tasting artificial
- Pure Energy, No Compromise: Vegan-friendly and made with natural ingredients, HIGH5 running gels are free from artificial sweeteners and colourings - A mindful choice tested by professionals and enjoyed by all levels of endurance athletes
- A Thoughtful Sports Gift: HIGH5 energy gel packs are a practical training or race-day essential for the endurance-enthusiast in your life - A great pick for running gifts, cycling gifts, and triathlon gifts, perfect for those who push their limits
- Efficient Energy Without Discomfort: easily digestible, scientifically formulated multi-carbohydrate energy gel to keep you energised during exercise without bloating - Quick gel fuel helps you stay focused on performance, not your stomach
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Contrast SIS Beta Fuel 60ml Sports Energy Gel Sachets (Box of 30) - Orange
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Contrast SIS Beta Fuel 60ml Sports Energy Gel Sachets (Box of 30) - Orange
Why we love it
- Superior energy for endurance athletes.
- Optimized carbohydrate absorption ratio.
- Supports longer exercise durations effectively.
Main Highlights
- A dual-source energy gel for endurance athletes
- Contains 40g dual-source carbohydrate
- Advanced 1:0.8 ratio of maltodextrin and fructose
- A superior fuelling solution for exercise > 2 hours
- Greater carbohydrate intake of 80-120g per hour
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4
MAURTEN Gel 100 Energy Gel - 12-Pack of 40g - 25g Carbohydrates per Serving - Stomach-Friendly Patented hydrogel Technology for Cycling and Running - Natural & Free of Color or preservatives
Maurten
3% Off
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Maurten
MAURTEN Gel 100 Energy Gel - 12-Pack of 40g - 25g Carbohydrates per Serving - Stomach-Friendly Patented hydrogel Technology for Cycling and Running - Natural & Free of Color or preservatives
3% Off
Why we love it
- Revolutionizes conventional gel energy intake.
- Supercharges carbohydrate absorption rate.
- Guaranteed quality from Maurten.
Main Highlights
- 【NOT YOUR AVERAGE GEL】Unlike conventional syrup mixes, Gel 100 100 is a hydrogel with a unique fructose to glucose ratio (0.8:1).
- 【OPTIMIZED CARBOHYDRATE INTAKE】Contains 25g of carbohydrates per serving, ideally designed for endurance sports like long-distance running, cycling, and triathlon. Enables intake of 100g of carbohydrates per hour.
- 【HYDROGEL TECHNOLOGY】The carbohydrates in Gel 100 are delivered directly from the stomach to the intestine through our patented hydrogel technology, allowing for faster absorption into the body and reducing the risk of stomach discomfort during activity.
- 【NATURAL INGREDIENTS】 Relies on pure, natural ingredients without added flavors.
- 【MAURTEN QUALITYT】Trust in the proven and high-quality formulation of MAURTEN, the leading expert in sports nutritional supplements. Store at room temperature between 10 to 30°C (50 to 85°F).
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5
Science in Sport Beta Fuel Gels Dual Source Energy Gel, Apple Flavour Plus Nootropics, 40g of Carbs Per Pack, 60 ml Pack (6 Pack)
Science in Sport
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Science in Sport
Science in Sport Beta Fuel Gels Dual Source Energy Gel, Apple Flavour Plus Nootropics, 40g of Carbs Per Pack, 60 ml Pack (6 Pack)
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Why we love it
- Optimized for power output.
- Offers convenient isotonic fueling.
- Favoured by elite athletes.
Main Highlights
- Apple Flavour Energy Gels: Includes 60 ml Pack (6 Pack) of Science in Sport BetaFuel Gels Dual Source Energy Gel, Apple Flavour Plus Nootropics
- Optimised Maltodextrin Ratio: New Ratio of Maltodextrin to Fructose is 1 to 0.8 of 40g of carbohydrates to enhance power output, increase body's carbohydrate usage efficiency and limit gastrointestinal discomfort
- Energy Gels For Running: Single, convenient isotonic fueling energy gel solution with minimal risk of GI discomfort to maintain optimal performance
- BetaFuel Gels: favoured by elite athletes, our famous Science in Sport BetaFuel running gels energy has now been optimised, making it a scientifically superior fuel
- On-the-Go Energy Gels: Simply tear off the top of the packaging and squeeze the gel into your mouth as and when required.
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6
HIGH5 Running Gels Energy - Running Essentials for Quick Release Energy - Natural Fruit Juice & Caffeine-Free - Ideal as Running Equipment, Cycling Supplements, Marathon Training (Orange, 20 x 40g)
HIGH5
30% OffFree Shipping
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HIGH5
HIGH5 Running Gels Energy - Running Essentials for Quick Release Energy - Natural Fruit Juice & Caffeine-Free - Ideal as Running Equipment, Cycling Supplements, Marathon Training (Orange, 20 x 40g)
30% OffFree Shipping
Why we love it
- Fruit-powered energy on the go.
- Naturally flavored for refreshing taste.
- Perfect companion for endurance athletes.
Main Highlights
- Fast Energy When You Need It: HIGH5 energy gel delivers 23g of carbs per sachet (91 kcal) for rapid energy release during running, cycling, and endurance sports - Quick absorption carbohydrate gel to achieve peak performance when it matters most
- Science-Driven, Athlete-Approved: founded in 1994 by British triathletes, HIGH5 has spent over 30 years developing sports nutrition - Partnering with world-class athletes, we ensure our high energy gels perform under the toughest endurance conditions
- Great Performance, Better Taste: made with real fruit juice for a light, smooth texture, HIGH5 carbohydrate supplement is easy to consume with a refreshing, natural taste - We believe sports nutrition should fuel your body without tasting artificial
- Pure Energy, No Compromise: Vegan-friendly and made with natural ingredients, HIGH5 running gels are free from artificial sweeteners, colourings, and caffeine - A mindful choice tested by professionals and enjoyed by all levels of endurance athletes
- A Thoughtful Sports Gift: HIGH5 energy gel packs are a practical training or race-day essential for the endurance-enthusiast in your life - A great pick for running gifts, cycling gifts, and triathlon gifts, perfect for those who push their limits
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7
Science In Sport GO Isotonic Energy Gels, Running Gels with 22g Carbohydrates, Low Sugar, Variety Pack of Assorted Flavours, 60ml Per Serving (7 Pack)
Science in Sport
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Science in Sport
Science In Sport GO Isotonic Energy Gels, Running Gels with 22g Carbohydrates, Low Sugar, Variety Pack of Assorted Flavours, 60ml Per Serving (7 Pack)
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Why we love it
- Variety pack enhances choice.
- High carbs for quick energy.
- Vegan and low sugar.
Main Highlights
- EASY ENERGY SUPPLY: The SiS gel was the first isotonic energy gel on the market, delivering valuable carbohydrates easily and quickly during exercise
- EASY TO DIGEST: With its isotonic formulation, the gel is easy to digest and can be consumed without water. This prevents the feeling of fullness that can occur with excessive water intake
- POWER GEL BOOSTS ENERGY RESERVES: Thanks to its convenient format, the carbohydrate gel is easy to carry and quickly available for consumption to help delay fatigue caused by depleted carbohydrate stores
- VEGAN ENERGY GEL: Sport Gel with 100% vegan formulation. This special energy supplier from SIS is also gluten-free
- SIS SCIENCE IN SPORT: Science in Sport is a pioneer in sports nutrition. Since 1992, we have collaborated with research institutes, elite athletes, and sports scientists
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8
Science in Sport Beta Fuel Gels Dual Source Energy Gel, Orange Flavour, 40g of Carbs Per Pack, 60 ml Pack (6 Pack)
Science in Sport
40% OffFree Shipping
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Science in Sport
Science in Sport Beta Fuel Gels Dual Source Energy Gel, Orange Flavour, 40g of Carbs Per Pack, 60 ml Pack (6 Pack)
40% OffFree Shipping
Why we love it
- Delicious orange flavor energy.
- Optimized carbohydrate ratio efficiency.
- Minimizes gastrointestinal discomfort effectively.
Main Highlights
- Orange Flavour Energy Gels: Includes 60 ml Pack (6 Pack) of Science in Sport BetaFuel Gels Dual Source Energy Gel, Orange Flavour
- Optimised Maltodextrin Ratio: New Ratio of Maltodextrin to Fructose is 1 to 0.8 of 40g of carbohydrates to enhance power output, increase body's carbohydrate usage efficiency and limit gastrointestinal discomfort
- Energy Gels For Running: Single, convenient isotonic fueling energy gel solution with minimal risk of GI discomfort to maintain optimal performance
- BetaFuel Gels: favoured by elite athletes, our famous Science in Sport BetaFuel running gels energy has now been optimised, making it a scientifically superior fuel
- On-the-Go Energy Gels: Simply tear off the top of the packaging and squeeze the gel into your mouth as and when required.
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9
SIS Go Isotonic Gel Variety Pack Bundle
Science in Sport
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Science in Sport
SIS Go Isotonic Gel Variety Pack Bundle
Free Shipping
Why we love it
- Fast energy delivery.
- Convenient for on-the-go.
- Delicious mixed flavors available.
Main Highlights
- 22 grams of carbohydrate per gel
- Isotonic formulation delivers energy fast
- Convenient gel format
- Perfect for using during exercise
- 7 mixed gel flavours: Apple, Lemon & Lime, Tropical, Orange, Blackcurrant, Pineapple and Pink Grapefruit
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10
Science in Sport Go Isotonic Energy Gel with Caffeine, Berry Flavour, 60ml (6 Packs)
Science in Sport
45% OffFree Shipping
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Science in Sport
Science in Sport Go Isotonic Energy Gel with Caffeine, Berry Flavour, 60ml (6 Packs)
45% OffFree Shipping
Why we love it
- Fast energy for peak performance.
- Convenient caffeine boost on-the-go.
- No water needed for effectiveness.
Main Highlights
- PERFORMANCE BOOST: Based on the SiS GO Isotonic Energy Gel, this special energy gel was developed to deliver a mental and physical performance boost with its combination of carbohydrates and caffeine
- CAFFEINE GEL: Especially during events lasting over 90 minutes, caffeine can help sustain performance over an extended period of time.
- EASY TO DIGEST: Thanks to its isotonic formulation, the gel is easy to digest and can be consumed without water. This helps prevent the feeling of fullness that can occur with excessive water intake
- VEGAN ENERGY GEL: Sports gel with a 100% vegan formula. This energy booster from SiS is also gluten-free.
- SIS SCIENCE IN SPORT: Science in Sport is a pioneer in sports nutrition. Since 1992, we have collaborated with research institutes, elite athletes, and sports scientists
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