The Story
SiS were the first to develop isotonic energy gels - the lightest and fastest way to top up your energy levels when you're body's working hard.
Take 1-3 gels per hour to keep those carbs up and your body flying.
Features
- Blackcurrant flavoured isotonic energy gel
- Packs approx. 20g of carbohydrate - in a tiny, easy to stow size for your pocket, race belt or pack.
- Isotonic formulation - enables faster take-up of energy
- Take 1-3 gels per hour - to top-up your energy levels during intense exercise

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
SiS were the first to develop isotonic energy gels - the lightest and fastest way to top up your energy levels when you're body's working hard.
Take 1-3 gels per hour to keep those carbs up and your body flying.
Features
- Blackcurrant flavoured isotonic energy gel
- Packs approx. 20g of carbohydrate - in a tiny, easy to stow size for your pocket, race belt or pack.
- Isotonic formulation - enables faster take-up of energy
- Take 1-3 gels per hour - to top-up your energy levels during intense exercise






















