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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 1–16 of 24 results

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World-leading energy gel optimised with a new carbohydrate ratio Part of an entire world-leading fuelling solution range that includes drinks and chews, our Beta Fuel Dual Source Energy Gel is optimised with a brand new 1:0.8 ratio of 40g carbohydrate to enhance your power output, increase your body’s carbohydrate usage efficiency, and limit gastrointestinal discomfort to deliver a scientifically superior fuel.

World-leading energy gel optimised with a new carbohydrate ratio Part of an entire world-leading fuelling solution range that includes drinks and chews, our Beta Fuel Dual Source Energy Gel is optimised with a brand new 1:0.8 ratio of 40g carbohydrate to enhance your power output, increase your body’s carbohydrate usage efficiency, and limit gastrointestinal discomfort to deliver a scientifically superior fuel.

SiS Beta Fuel+Nootropics Energy Gel 60ml
SiS
3.29€
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World-leading energy gel optimised with a new carbohydrate ratio Part of an entire world-leading fuelling solution range that includes drinks and chews, our Beta Fuel Dual Source Energy Gel is optimised with a brand new 1:0.8 ratio of 40g carbohydrate to enhance your power output, increase your body’s carbohydrate usage efficiency, and limit gastrointestinal discomfort to deliver a scientifically superior fuel

World-leading energy gel optimised with a new carbohydrate ratio Part of an entire world-leading fuelling solution range that includes drinks and chews, our Beta Fuel Dual Source Energy Gel is optimised with a brand new 1:0.8 ratio of 40g carbohydrate to enhance your power output, increase your body’s carbohydrate usage efficiency, and limit gastrointestinal discomfort to deliver a scientifically superior fuel

SiS Beta Fuel Gel 60ml
SiS
3.19€
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SiS Go Energy Bake applies a scientific approach to energy bars as well, the sweet with a soft filling contains 30g of carbohydrates. Each bar has a fruit or berry filling that contains 10g of fructose.

SiS Go Energy Bake applies a scientific approach to energy bars as well, the sweet with a soft filling contains 30g of carbohydrates. Each bar has a fruit or berry filling that contains 10g of fructose.

SiS Go Energy Bake 50g: 12-pack
SiS
27.99€
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SiS Go Energy Bake applies a scientific approach to energy bars as well, the sweet with a soft filling contains 30g of carbohydrates. Each bar has a fruit or berry filling that contains 10g of fructose.

SiS Go Energy Bake applies a scientific approach to energy bars as well, the sweet with a soft filling contains 30g of carbohydrates. Each bar has a fruit or berry filling that contains 10g of fructose.

SiS Go Energy Bake 50g
SiS
2.59€
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Beta Fuel has been developed to maximize carbohydrate absorption while minimizing the risk of gastrointestinal distress.  A breakthrough in endurance nutrition, the pH-neutral isotonic solution was first time publicly used to fuel Chris Froome and Team Sky to victory at the 2018 Giro d’Italia.

Beta Fuel has been developed to maximize carbohydrate absorption while minimizing the risk of gastrointestinal distress.  A breakthrough in endurance nutrition, the pH-neutral isotonic solution was first time publicly used to fuel Chris Froome and Team Sky to victory at the 2018 Giro d’Italia.

SiS Beta Fuel Powder 82g: 15 pack
SiS
47.95€
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Beta Fuel is a new generation sports drink powder containing a concentrated amount of 80g of carbohydrates (maltodextrin:fructose in a ratio of 2:1). Beta Fuel was developed in scientific laboratories and in cooperation with the English cycling team Team Sky (pregu Team Ineos).

Beta Fuel is a new generation sports drink powder containing a concentrated amount of 80g of carbohydrates (maltodextrin:fructose in a ratio of 2:1). Beta Fuel was developed in scientific laboratories and in cooperation with the English cycling team Team Sky (pregu Team Ineos).

SiS Beta Fuel Powder 82g
SiS
3.49€
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GO energy bar is a nutritious, easily digestible carbohydrate-rich snack for professional and recreational athletes. The preferred choice of many Estonian athletes.

GO energy bar is a nutritious, easily digestible carbohydrate-rich snack for professional and recreational athletes. The preferred choice of many Estonian athletes.

SiS Go Energy Mini Bar 40g
SiS
2.15€ – 2.19€
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Outlet -46%

SiS GO Isotonic Energy Gel is a gel with a high salt content, which provides an easily digestible and quick supply of carbohydrates during training. The product is designed to be consumed without water, minimizing the risk of bloating that can occur with excessive drinking. GO Isotonic energy gel has 22 grams of carbohydrates per gel. especially suitable for long intense workouts or training in warmer climates 87 calories per gel contains key electrolytes

SiS GO Isotonic Energy Gel is a gel with a high salt content, which provides an easily digestible and quick supply of carbohydrates during training. The product is designed to be consumed without water, minimizing the risk of bloating that can occur with excessive drinking. GO Isotonic energy gel has 22 grams of carbohydrates per gel. especially suitable for long intense workouts or training in warmer climates 87 calories per gel contains key electrolytes

SiS GO Energy+Electrolyte Gel 60ml
SiS
1.30€ – 2.49€ -46%
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Sale -48%

The GO Energy+Caffeine Gel 75mg builds on the established science of the GO Isotonic Energy gel, the world’s first and only truly isotonic energy gel. This gel is ideal for short intense exercises and for long endurance exercises.

The GO Energy+Caffeine Gel 75mg builds on the established science of the GO Isotonic Energy gel, the world’s first and only truly isotonic energy gel. This gel is ideal for short intense exercises and for long endurance exercises.

SiS Go Energy+Caffeine Gel 60ml
SiS
1.50€ – 2.89€ -48%
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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
4.99€
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SiS Wide Neck Pro Yellow Bottle: 800ml
SiS
6.99€
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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.

SiS Rego Cherry Juice 30ml
SiS
1.99€
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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
49.90€
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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
36.90€
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Sale -30%

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
1.50€ – 2.15€ -30%
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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
37.99€