COVID-19 Announcement: Due to the current situation, unfortunately deliveries are taking up to 3 working days to be delivered.

Science in Sports is one of the most appreciated brands in the world of sports nutrition, since its inception in 1992. It is a leading sports nutrition company that develops and markets optimum sports nutrition products. SiS is a strong brand preferred by elite athletes and sports enthusiasts for proper nutrition and high performance. As an online bicycle store, we at Velozone have stocked up a complete collection of SiS advanced sports nutrition products for optimum nutrition of cyclists. Our collection includes SiS gels, bars, powders for energy, hydration, recovery, protein, vitamins & minerals and other health supplements.

SiS has won several awards across ranges of sports nutrition for bringing innovation and quality in sports nutrition products. It works with elite athletes for its product development which makes it the world’s number one endurance nutrition brand. The SiS core product range includes SiS GO for providing energy, SiS REGO for recovery, SiS protein, SiS supplements and SiS athlete health for providing muscle growth, immunity, etc. The brand has been official nutrition partner to professional cycling organization, triathlons, Olympians and football teams. Visit our SiS online collection now, to choose the best nutrition products before you hit the road for your next adventure.

Sort by:

Science In Sport GO Hydro Tablet Tube - Pack Of 8

SiS GO Hydro is designed to ensure you are effectively hydrated to produce your best performance SiS GO Hydro meets your sodium requirements at a specific concentration (30mmol/L) that is...
£55.92 £53.99

Science In Sport GO Energy Plus Caffeine Gel Tube - Box Of 30

SiS GO Energy + Caffeine Gel 150mg Double Espresso is designed to provide a mental and physical boost Caffeine has been repeatedly shown to improve performance by lowering your perception...
£57.00 £49.99

Science In Sport GO Energy Plus Electrolyte Gel - Box Of 30

The SiS GO Energy + Electrolyte gel builds on the established science of the SiS GO Isotonic Energy gel, the worlds first isotonic energy gel The gel not only delivers...
£48.00 £42.99

Science In Sport REGO Protein Bar - Box Of 20

SiS Protein Bars contain a blend of easily digestible proteins (20 grams per bar) in the form of whey, casein and soy protein It is important to consume protein in...
£39.99

Science In Sport GO Isotonic Energy Gel Tube - Box Of 30

The SiS GO Isotonic Gel was the worlds first isotonic gel effectively delivering an easily digestible and quick supply of carbohydrate for energy during exercise SiS GO Isotonic Gels are...
£45.00 £39.99

Science In Sport REGO Rapid Recovery Drink Powder Sachet - Box Of 18

SiS REGO Rapid Recovery is a complete recovery product to be consumed immediately after exercise It contains a blend of carbohydrate (23g), protein (20g) and electrolytes with vitamins and minerals...
£34.99

Science In Sport Mini GO Energy Bar - Box Of 30

SiS GO Energy bars are a nutritious, easily digestible and high carbohydrate based snack made from fruits and wholesome ingredients The reduced size (compared to the larger GO Energy Bars)...
£34.99

Science In Sport PLANT20 Vegan Bar - Box Of 12

The PLANT20 bar provides an all-natural, vegan approach to on the go protein whilst being low in sugar PLANT20 can be used as a high protein snack throughout the day...
£32.99

Science In Sport PLANT20 Drink Mix

PLANT20 Powder is a high protein, low sugar plant-based protein powder suitable for vegans Totally free from artificial sweeteners, PLANT20 Powder is naturally sweetened with the fruit extract Lucuma and...
£32.99

Science In Sport GO Energy Bar Plus Protein - Box Of 24

GO Energy plus Protein Bars are a nutritious, easily digestible high carbohydrate and protein based snack Made from fruits, wholesome ingredients and soy protein isolate Delivering additional carbohydrate during exercise...
£36.00 £32.99

Science In Sport Performance Nitrate Shot - Box Of 12

The Performance Nitrate Shot delivers 500mg nitrates in a 60ml shot, sourced from Rhubarb Juice Concentrate and Amaranthus Leaf Extract These unique sources of nitrates provide a superior taste profile...
£30.99

Science In Sport Protein20 High Protein Bar - Box Of 12

Low sugar, high protein energy bar 20 g protein per bar Supports recovery, muscle rebuild and daily protein intake Designed to be consumed post-exercise Can be used for day-to-day snacking...
£30.99

Science In Sport GO Caffeine Shot - Box Of 12

Performing during the game matters, and often your performance can be influenced by your preparation The right preparation can make the difference between winning and losing To promote focus and...
£28.99

Science In Sport GO Electrolyte Drink Powder Sachet - Box Of 18

SiS GO Electrolyte contains a blend of easily digestible carbohydrate as well as electrolytes (such as sodium) that helps promote optimal hydration A combination of energy sources and electrolytes enhance...
£26.99

Science In Sport Performance Nitrate Powder

Performance Nitrate Powder is a carbohydrate energy drink with 48g carbohydrate and 500mg nitrates sourced from Amaranthus Leaf Extract This unique source of nitrates provides a superior taste profile and...
£24.99

Science In Sport GO Energy Bake - Box Of 12

GO Energy Bakes offer a convenient and tasty option for on the go snacking, ideally consumed before or during exercise Each serving supplies 30g carbohydrate in the form of a...
£21.99
Just added to your wishlist:
My Wishlist
You've just added this product to the cart:
Go to cart page