SiS - Science in Sport

Apple flavoured isotonic energy gel for fast, easily digested energy - 6 Pack The world's first isotonic gel delivering energy fast, 22 grams of carbohydrate per gel with an Isotonic formulation...

Blackcurrant flavoured isotonic energy gel for fast, easily digested energy - 6 Pack The world's first isotonic gel delivering energy fast, 22 grams of carbohydrate per gel with an Isotonic...

Lemon & Lime flavoured isotonic energy gel for fast, easily digested energy - 6 Pack The world's first isotonic gel delivering energy fast, 22 grams of carbohydrate per gel with an Isotonic...

Orange flavoured isotonic energy gel for fast, easily digested energy - 6 Pack The world's first isotonic gel delivering energy fast, 22 grams of carbohydrate per gel with an Isotonic formulation...

Tropical flavoured isotonic energy gel for fast, easily digested energy - 6 Pack The world's first isotonic gel delivering energy fast, 22 grams of carbohydrate per gel with an Isotonic...

Summer Fruits flavoured Branched Chain Amino Acid (BCAA) powder with additional L-Glutamine and L-Arginine. About BCAA Perform - 255g (Summer Fruits) BCAA Perform is the latest addition to the SiS...

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...

SiS GO Hydro (Berry) 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...

SiS GO Hydro lemon meets your sodium requirements at a specific concentration (30mmol/L) that is scientifically proven to produce superior hydration compared with water alone. It was developed to...

SiS GO Hydro (Pineapple & Mango) is designed to ensure you are effectively hydrated to produce your best performance. As an effervescent tablet that readily dissolves in plain water, it...