SiS | Science in Sport GO Isotonic Gel

The SiS Go Isotonic gel provides a fast energy boost and is easy to digest. It is designed so that you don't need to take it with water making it one of the easiest ways to get quick energy. Use in a race to give yourself an edge over a competitor or use during training to ensure you get the best out of your workout. Each gel will fuel around 20-30 minutes of exercise.

Free delivery on orders of £25 or over.

The delivery cost for orders under £25 that include a single item is £4.50.

The delivery cost for orders under £25 that include two or more items is calculated at checkout.

Gift cards are emailed to you immediately so that you can forward the gift card to the recipient at the right time.

We deliver all over the UK, including Northern Ireland. Your order will be delivered by DPD or Royal Mail. For more detailed information, please see our refer to our Delivery Information page.

We aim to deliver all orders within 4 working days. 

Free UK returns & exchanges. For more detail information, please refer to our Online Returns & Exchanges page.