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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 35 results

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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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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: 30 pack
SiS
54.99€
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Sale -30%

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
1.46€ – 2.09€ -30%
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Sale -30%

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: 30-pack
SiS
33.59€ – 47.99€ -30%
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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
2.35€
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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: 30-pack
SiS
66.99€
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Sale -30%

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
1.74€ – 2.49€ -30%
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Sale -30%

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 product provides 22g of carbohydrate and 75mg of caffeine per gel. Ideal for high intensity races and long, tough days on the road. Caffeine has been repeatedly shown to improve performance by lowering your perception of effort by providing a boost just when you need it. GO Energy + Caffeine is clean in the mouth and easy to digest. For when you want an energy boost, but want the benefits of caffeine too. Use before or during sport for added physical and mental focus when you want to get an edge.

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 product provides 22g of carbohydrate and 75mg of caffeine per gel. Ideal for high intensity races and long, tough days on the road. Caffeine has been repeatedly shown to improve performance by lowering your perception of effort by providing a boost just when you need it. GO Energy + Caffeine is clean in the mouth and easy to digest. For when you want an energy boost, but want the benefits of caffeine too. Use before or during sport for added physical and mental focus when you want to get an edge.

SiS Go Energy+Caffeine Gel 60ml: 30pack
SiS
50.39€ – 71.99€ -30%
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SiS Wide Neck drinking bottle is a unique Easy Mix system (dosing quantities indicated). The water-resistant, soft rubber nozzle and ergonomically shaped bottle are dishwasher safe and BPA free.

SiS Wide Neck drinking bottle is a unique Easy Mix system (dosing quantities indicated). The water-resistant, soft rubber nozzle and ergonomically shaped bottle are dishwasher safe and BPA free.

SiS Wide Neck Bottle: 800ml
SiS
6.99€
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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
2.09€
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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
18.29€
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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
35.99€
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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
14.99€