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Home / Shop / Race Day Fuel / SiS GO Energy + Caffeine Gels

SiS

SiS GO Energy + Caffeine Gels

£2.15 /

Carbohydrate energy with 75mg of caffeine per gel for targeted fuelling during demanding sessions and races.

Quantity Size: Single Serve

Single Serve Box of 30 Gels

Flavour: Double Espresso

Double Espresso Berry Cola

Product variants

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SiS GO Energy + Caffeine Gels provide 22g of carbohydrate together with 75mg of caffeine in a convenient energy gel. Designed for endurance training and racing, they offer an easy way to combine carbohydrate intake with a planned caffeine strategy.

The compact sachets can be carried in a running vest, pocket or cycling jersey, ready for use during demanding efforts. Available in Berry, Cola and Double Espresso, these gels suit athletes who prefer a measured caffeine serving alongside their usual carbohydrate and hydration routine.

Product Specifications

Product: SiS GO Energy + Caffeine Gels
Product Type: Isotonic energy gel with added caffeine
Format: Single-serve gel sachet
Serving Size: 60ml
Carbohydrate Per Gel: 22g
Caffeine Per Gel: 75mg caffeine
Double Espresso Variant: 150mg caffeine per gel
Energy Per Gel: Approx. 87–89 kcal, depending on flavour
Fat: 0g
Saturates: 0g
Protein: 0g
Salt: Approx. 0.04g per gel
Sugars: Approx. 0.7–0.8g per gel, depending on flavour
Vitamin B6: 0.5mg per gel
Folic Acid: 30μg per gel
Vitamin B12: 0.39μg per gel
Formula: Isotonic, designed for quick absorption
Water Required: No additional water required
Primary Use: Energy and caffeine support during training and racing
Best For: Running, cycling, triathlon, sportives, marathons, long training sessions and high-intensity exercise
When to Use: Before intense exercise, during the later stages of endurance sessions, or before a difficult section when extra focus is needed
Key Benefits: Fast-acting carbohydrate, added caffeine, mental focus, reduced perceived effort, easy digestion and convenient on-the-go fuelling
Certification: Informed Sport certified

Why We Choose SiS

We choose SiS - Science in Sport because they create trusted sports nutrition products designed to help athletes fuel, hydrate and recover with confidence. From isotonic energy gels and electrolyte tablets to recovery drinks and advanced endurance fuelling, SiS supports runners, cyclists, triathletes and active individuals before, during and after training and racing.

Science-Led – Developed with a clear focus on sports science, performance nutrition and real-world athlete needs.

Easy to Use – Practical fuelling solutions such as isotonic energy gels that are simple to take during exercise, with no unnecessary complexity.

Endurance Focused – Designed to support sustained energy, hydration and recovery across running, cycling, triathlon and high-intensity training.

Trusted by Athletes – Used by everyday athletes and elite performers who need reliable nutrition when performance matters.

That’s why SiS is part of the North Sports collection — giving you proven sports nutrition to fuel harder sessions, support recovery and perform at your best.