A single SIS Go Energy Bar in Blueberry flavor, wrapped in a metallic silver, yellow, and blue sleeve, shown against a plain light gray background.
A single SIS GO Energy Bar in red, yellow, and white packaging, shown horizontally against a light gray background.
A single S1S GO Energy Bar in yellow, black, and white packaging, displayed horizontally against a light gray background.
A single SIs GO Energy Bar in chocolate malt flavor, wrapped in a metallic silver, yellow, and black sleeve, shown against a light gray background.
A retail display box of SIS Science in Sport GO Energy Bars, banana fudge flavor. The box contains multiple individual silver and black energy bars visible through a clear window, with the front and back panels of the packaging shown against a light gray background.
A display box of SIS Science in Sport GO Energy Bars in Blueberry flavor, showing several individual silver and black energy bars inside a blue, white, and yellow retail package on a light gray background.
A box of Sis Science by Sport Go Energy Bars, chocolate fudge flavor, containing multiple individual bars visible through a clear window on a light gray background.
A display box of SIS GO Energy Bars with several individual bars arranged in front on a clean light gray studio background.
A single SIS Go Energy Bar in Blueberry flavor, wrapped in a metallic silver, yellow, and blue sleeve, shown against a plain light gray background.
A single SIS GO Energy Bar in red, yellow, and white packaging, shown horizontally against a light gray background.
A single S1S GO Energy Bar in yellow, black, and white packaging, displayed horizontally against a light gray background.
A single SIs GO Energy Bar in chocolate malt flavor, wrapped in a metallic silver, yellow, and black sleeve, shown against a light gray background.
A retail display box of SIS Science in Sport GO Energy Bars, banana fudge flavor. The box contains multiple individual silver and black energy bars visible through a clear window, with the front and back panels of the packaging shown against a light gray background.
A display box of SIS Science in Sport GO Energy Bars in Blueberry flavor, showing several individual silver and black energy bars inside a blue, white, and yellow retail package on a light gray background.
A box of Sis Science by Sport Go Energy Bars, chocolate fudge flavor, containing multiple individual bars visible through a clear window on a light gray background.
A display box of SIS GO Energy Bars with several individual bars arranged in front on a clean light gray studio background.

SiS

SiS GO Energy Mini Bar

£1.40 Sold out

A compact carbohydrate energy bar for training and racing when you prefer solid fuel to a gel.

Quantity Size: Single Serve
Flavour: Blueberry
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Key Benefits
  • 26g Carbohydrate Per Bar — Portable carbohydrate serving.
  • Soft Bar Format — Alternative to gels and energy drinks.
  • Compact Size — Easy to carry during longer activities.
  • Multiple Flavours — Choose a bar to suit your preference.
  • Single Bars or Boxes — Useful for testing and repeat training.

SiS GO Energy Mini Bar provides a convenient solid-food carbohydrate option for runners, cyclists and endurance athletes. Its compact format fits easily in pockets and training bags, making it a practical alternative to gels during longer sessions or when preparing for an event.

Each mini bar is listed as containing 26g carbohydrate, alongside approximately 139 calories and 4.5g protein, although values may vary by flavour. Available in Blueberry, Red Berry, Banana Fudge and Chocolate Fudge, it gives athletes a softer snack option to incorporate into a planned fuelling routine.
Nutrition & Ingredients

Nutrition values are per 40g bar. Single Serve and Box of 30 use the same flavour-specific bar.

Blueberry

Per bar: 587kJ / 139kcal; fat 2.1g (saturates 0.3g); carbohydrate 25g (sugars 10g); fibre 1.1g; protein 4.7g; salt 0.1g.

Ingredients: Fruit juice concentrates 36% (grape, pineapple); cereals 21% (Rice and soya crisp (rice flour, soya protein isolate, oat flour, rapeseed oil, salt, soya lecithin), oats); maize maltodextrin; dried dates 12%; soya protein isolate; emulsifier (soya lecithin); freeze-dried fruit 3.5% (blueberry, blackcurrant); flavouring; elderberry juice powder; humectant (calcium lactate).

Red Berry

Per bar: 583kJ / 138kcal; fat 2.1g (saturates 0.3g); carbohydrate 25g (sugars 11g); fibre 0.9g; protein 4.6g; salt 0.1g.

Ingredients: Fruit juice concentrates 39% (grape, pineapple); cereals 20% (Rice and soya crisp (rice flour, soya protein isolate, oat flour, rapeseed oil, salt, soya lecithin), oats); maize maltodextrin; dried dates 12%; soya protein isolate; emulsifier (soya lecithin); freeze-dried fruit 3.5% (raspberry, cranberry); flavouring; humectant (calcium lactate).

Banana Fudge

Per bar: 587kJ / 139kcal; fat 2.0g (saturates 0.3g); carbohydrate 26g (sugars 12g); fibre 1.0g; protein 4.5g; salt 0.1g.

Ingredients: Fruit juice concentrates 31% (grape, pineapple); dried fruit 26% (dates, bananas, apricots); cereals 18% (Rice and soya crisp (rice flour, soya protein isolate, oat flour, rapeseed oil, salt, soya lecithin), oats); maize maltodextrin; soya protein isolate; emulsifier (soya lecithin); flavouring; humectant (calcium lactate).

Chocolate Fudge

Per bar: 584kJ / 138kcal; fat 1.7g (saturates 0.3g); carbohydrate 26g (sugars 11g); fibre 1.1g; protein 4.7g; salt 0.1g.

Ingredients: Fruit juice concentrates 30% (grape, pineapple); cereals 21% (Rice and soya crisp (rice flour, soya protein isolate, oat flour, rapeseed oil, salt, soya lecithin), oats); maize maltodextrin; dried fruit 17% (dates, raisins); soya protein isolate; emulsifier (soya lecithin); reduced-fat cocoa powder; flavouring; humectant (calcium lactate).

Allergen information

Contains soya and oats (cereals containing gluten). SiS notes that the fruit ingredients may contain pips and stones. Always check the packaging for the latest ingredient, allergen and nutrition declarations.
Suggested Use & Compatibility

Suggested Use

Eat before or during exercise as part of your planned carbohydrate intake. If using during high-intensity sport, practise eating solid food in training.

Fuelling Compatibility

Combine with water and other carbohydrate sources as necessary; account for the bar’s carbohydrate content in your overall hourly plan.
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.
Quantity Size: Single Serve
Flavour: Blueberry

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