SiS | Science in Sport Go Isotonic Gel + Electrolytes

This energy and electrolyte gel builds on the science of the GO Isotonic Energy Gel, delivering a rapid supply of easily digestible carbohydrates (22 grams) for energy, and also providing 118mg sodium, 9.5mg potassium and 1.5mg magnesium per gel.

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.