The sis electrolyte gel is a great way to keep your energy levels topped up and also to stray hydrated this single serve gel sachet is used for fast hydration plus sustained energy before and during exercise when you want a quick reacting balance of energy and hydration go electrolyte gives you energy fast and contains balanced electrolytes to enhance your bodys ability to absorb water maintain endurance performance and protect against cramp it is light on the stomach making it easy to dig