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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 40 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.

SiS Wide Neck Bottle: 600ml
SiS
Original price was: 4.99€.Current price is: 3.49€.
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SiS Wide Neck Pro Yellow Bottle: 800ml
SiS
Original price was: 6.99€.Current price is: 4.89€.
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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.

SiS Rego Rapid Recovery Powder: 1,5kg
SiS
Original price was: 59.00€.Current price is: 41.30€.
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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.

SiS Rego Rapid Recovery Powder 500g
SiS
Original price was: 18.29€.Current price is: 12.80€.
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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.

SiS Go Electrolyte Powder 1,6kg
SiS
Original price was: 35.99€.Current price is: 25.19€.
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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.

SiS Go Electrolyte Powder 500g
SiS
Original price was: 14.99€.Current price is: 10.49€.
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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. ​

SiS Go Hydro+Caffeine tablets
SiS
Original price was: 10.99€.Current price is: 7.69€.
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GO Hydro drinkable tablets help prevent dehydration and promote maximum results.

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

SiS Go Hydro tablets
SiS
Original price was: 10.99€.Current price is: 7.69€.
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GO Hydro + Caffeine is designed to ensure you are effectively hydrated to produce your best performance. As an effervescent tablet that readily dissolves in plain water, it represents a highly practical approach (simply drop one tablet in your 500 ml water bottle) without the calories to meet your sodium requirements at a specific concentration (30mmol/L). The addition of 75mg of caffeine has been repeatedly shown by sport scientists to improve performance by providing both a physical and mental boost.

GO Hydro + Caffeine is designed to ensure you are effectively hydrated to produce your best performance. As an effervescent tablet that readily dissolves in plain water, it represents a highly practical approach (simply drop one tablet in your 500 ml water bottle) without the calories to meet your sodium requirements at a specific concentration (30mmol/L). The addition of 75mg of caffeine has been repeatedly shown by sport scientists to improve performance by providing both a physical and mental boost.

SiS Go Hydro+Caffeine tablets: 8 pack
SiS
Original price was: 68.99€.Current price is: 48.29€.
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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.

SiS Go Hydro tablets: 8 pack
SiS
Original price was: 68.99€.Current price is: 48.29€.
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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.

SiS Beta Fuel Energy Chew 60g
SiS
Original price was: 3.09€.Current price is: 2.16€.
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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.

SiS Go Energy Gel 60ml
SiS
Original price was: 2.05€.Current price is: 1.44€.
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Designed for easily digestible and quick carbohydrate supply for energy 189 calories per serving suitable for use during training as well as during competition

Designed for easily digestible and quick carbohydrate supply for energy 189 calories per serving suitable for use during training as well as during competition

SiS GoEnergy Powder 1,6kg
SiS
Original price was: 37.99€.Current price is: 26.59€.
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Sale -20%

Professionals in their field have put together a set of products that will support you in competitions and training, regardless of whether you are an amateur or a proffessional athlete.

Professionals in their field have put together a set of products that will support you in competitions and training, regardless of whether you are an amateur or a proffessional athlete.

Runner
Fast
Original price was: 69.00€.Current price is: 55.00€. -20%
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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.

SiS Rego Rapid Recovery Powder: 500g
SiS
Original price was: 20.99€.Current price is: 14.69€.
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Helps to promote recovery after exercise Build and maintain muscle mass with 20g protein Two thirst quenching fruity flavours Mixes easily with water

Helps to promote recovery after exercise Build and maintain muscle mass with 20g protein Two thirst quenching fruity flavours Mixes easily with water

SiS Rego Clear Recovery Powder: 1,38kg
SiS
Original price was: 69.99€.Current price is: 48.99€.