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SiS

FUELLED BY SCIENCE.  Science in Sport is the world’s leading performance nutrition brand. Combining world-class knowledge and scientific formulations to provide optimal performance solutions across the nutritional need states of energy, hydration, and recovery. Through our world leading research and innovation programme, we formulate evidence-based products that truly impact performance. We push the boundaries of science and nutrition, so you can push the boundaries of performance. Everything we do is Fuelled by Science.


Showing 17–32 of 37 results

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SiS Wide Neck drinking bottle has a unique Easy Mix system (dosing quantities are indicated). The bottle with a waterproof, soft rubber nozzle and an ergonomic shape is dishwasher safe and BPA free.

SiS Wide Neck drinking bottle has a unique Easy Mix system (dosing quantities are indicated). The bottle with a waterproof, soft rubber nozzle and an ergonomic shape is dishwasher safe and BPA free.

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Montmorency cherries are a specific variety of sour cherry, which gives the natural tart flavor. Cherry juice research is linked to improved recovery, reductions in delayed onset muscle soreness, reduced inflammation and improved sleep.

Montmorency cherries are a specific variety of sour cherry, which gives the natural tart flavor. Cherry juice research is linked to improved recovery, reductions in delayed onset muscle soreness, reduced inflammation and improved sleep.

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SiS REGO Rapid Recovery is a complete recovery product that helps you to get the most from your training and prepare you for your next session. Supports the recovery process by contributing to normal muscle function and protein synthesis.

SiS REGO Rapid Recovery is a complete recovery product that helps you to get the most from your training and prepare you for your next session. Supports the recovery process by contributing to normal muscle function and protein synthesis.

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Rego Rapid Recovery recovery drink powder helps you get the most out of your training and be ready for the next effort. The recovery drink powder contains high-quality protein to help muscle function, the essential amino acid leucine and vitamins to support the recovery process.

Rego Rapid Recovery recovery drink powder helps you get the most out of your training and be ready for the next effort. The recovery drink powder contains high-quality protein to help muscle function, the essential amino acid leucine and vitamins to support the recovery process.

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GO Electrolyte contains a blend of easily digestible, fast-acting carbohydrates and electrolytes (such as sodium) that promote optimal hydration. The combination of energy sources and electrolytes increases your body's ability to absorb water during exercise, maintaining your stamina and protecting against cramping.

GO Electrolyte contains a blend of easily digestible, fast-acting carbohydrates and electrolytes (such as sodium) that promote optimal hydration. The combination of energy sources and electrolytes increases your body's ability to absorb water during exercise, maintaining your stamina and protecting against cramping.

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GO Electrolyte contains a blend of an easily digestible and quick supply of carbohydrate as well as electrolytes (such as sodium) that promote optimal hydration.

GO Electrolyte contains a blend of an easily digestible and quick supply of carbohydrate as well as electrolytes (such as sodium) that promote optimal hydration.

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to support and maintain immune function during and after exercise one drinkable tablet contains 200 mg of vitamin C and 2.5 mg of iron one drinking tablet contains 0.9g of salt, which helps compensate for fluid loss ​

to support and maintain immune function during and after exercise one drinkable tablet contains 200 mg of vitamin C and 2.5 mg of iron one drinking tablet contains 0.9g of salt, which helps compensate for fluid loss ​

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SiS Immune is designed to support and maintain immune function during and after exercise. As an effervescent tablet that readily dissolves in plain water, it represents a highly practical approach to support your immune system after exercise. Vitamin C (200mg) and Iron (2.5mg) are known to contribute to the maintenance of the normal function of the immune system during and after intense physical exercise in addition to your RDA.

SiS Immune is designed to support and maintain immune function during and after exercise. As an effervescent tablet that readily dissolves in plain water, it represents a highly practical approach to support your immune system after exercise. Vitamin C (200mg) and Iron (2.5mg) are known to contribute to the maintenance of the normal function of the immune system during and after intense physical exercise in addition to your RDA.

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The drinkable tablet helps to prepare a drink with a high mineral content, which helps to keep the body maximally hydrated, and also helps to prevent muscle cramps. With added caffeine, it gives a boost to mental readiness. One tablet contains 75 mg of coffee. ​

The drinkable tablet helps to prepare a drink with a high mineral content, which helps to keep the body maximally hydrated, and also helps to prevent muscle cramps. With added caffeine, it gives a boost to mental readiness. One tablet contains 75 mg of coffee. ​

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GO Hydro drinkable tablets help prevent dehydration and promote maximum results.

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GO Hydro is designed to ensure you are effectively hydrated to produce your best performance.

GO Hydro is designed to ensure you are effectively hydrated to produce your best performance.

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Along with SiS Beta Fuel gels and drinking powder, a unique chewing gum-like bar was added - Beta Fuel Energy Chew.

Along with SiS Beta Fuel gels and drinking powder, a unique chewing gum-like bar was added - Beta Fuel Energy Chew.

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The GO Isotonic Energy Gel was the world’s first isotonic gel effectively delivering an easily digestible and quick supply of carbohydrate for energy during exercise. They are designed to be consumed without water, minimising the risk of being bloated that can sometimes occur with over-drinking. Provides you with 22 grams of carbohydrate per gel.

The GO Isotonic Energy Gel was the world’s first isotonic gel effectively delivering an easily digestible and quick supply of carbohydrate for energy during exercise. They are designed to be consumed without water, minimising the risk of being bloated that can sometimes occur with over-drinking. Provides you with 22 grams of carbohydrate per gel.

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SiS Protein bars are back, with an updated recipe and a new flavor selection! Low sugar, high protein bar One bar provides 20g of protein A healthy snack to supplement your protein intake

SiS Protein bars are back, with an updated recipe and a new flavor selection! Low sugar, high protein bar One bar provides 20g of protein A healthy snack to supplement your protein intake

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SiS Protein bars are back, with an updated recipe and a new flavor selection! Low sugar, high protein bar One bar provides 20g of protein A healthy snack to supplement your protein intake

SiS Protein bars are back, with an updated recipe and a new flavor selection! Low sugar, high protein bar One bar provides 20g of protein A healthy snack to supplement your protein intake