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
