Science In Sport

Science In Sport (SiS) is a British sports nutrition brand producing scientifically formulated energy gels, hydration drinks, bars, and recovery products trusted by elite athletes, professional cyclists, and endurance sports enthusiasts worldwide. Known for their isotonic GO Energy gels, HYDRO+ electrolyte drink mixes, and evidence-based nutrition approach, SiS products are a popular choice for cyclists who want reliable, gut-friendly fuelling for training and racing. At Swinnerton Cycles, we stock a range of Science In Sport nutrition products for road, MTB, and endurance cyclists.

• Energy oat bars for sustained energy and muscle support on long rides
• HYDRO+ electrolyte drink mix sticks for hydration and energy
• Available in a range of flavours including lemon and orange mango
• Scientifically formulated for endurance athletes and cyclists
• Gut-friendly nutrition designed for use during exercise
• British sports nutrition brand trusted by elite and amateur cyclists

Science In Sport Best Sellers

• Science In Sport Energy Oat Bar
• Science In Sport HYDRO+ Electrolyte Drink Mix Orange Mango

Browse our full range of cycling nutrition and cycling accessories at Swinnerton Cycles.