Official Energy Gel Partner of RunThrough
Event Day Energy
Every runner needs energy to conquer their distance. The GO Isotonic Energy Gels will be available at feed stations across all RunThrough UK events to help you maintain your pace and prevent fatigue.
SiS GO Isotonic Energy Gels
A convenient and fast-acting single source of liquid carbohydrate, best taken during intense exercise when energy is needed to maintain performance & prevent the onset of fatigue. For 2025 we will we supplying flavours Orange, Blackcurrant, Lemon & Lime, and Fruit Salad. Full nutritional information can be found by clicking the button below.
22g carbohydrate per gel
Replaces depleted glycogen stores (what your body primarily uses for energy)
Isotonic formula means no need for water or fluids
Easily & quickly absorbed by the stomach, providing energy fast
Vegan Friendly
When To Take Energy Gels
Through practicing your event day fuelling strategy during training, by the time you hit the start line, your body will have adapted to digesting on the go. Science in Sport have put together three running specific fuelling guides to get you started.
Race Fuelling Bundles
After a sports nutrition race pack with easy-to-understand guidance on how to use each product and when? We’ve got just the thing to unlock your true performance potential.
Fuelled By Science. Proven By Performance. Trusted By Elites.
Science in Sport develops a wide range of sports nutrition products for professional and amateur athletes. Driven by an obsessive focus on performance and innovation, adopting world-class scientific research alongside continuous athlete feedback.
Member Benefits
Create an online account and become a SiS+ member for free to access exclusive member only benefits.