ISOSTAR – Hydrate & Perform powder is an isotonic drink mix for exercise that meet hydration needs or sportsmen and women by providing: – Good hydration: the isotonic formula provides faster hydration and optimal gastric drainage. Drunk before exercise, it optimises fluid stocks before the start. Then, during exercise, it helps to improve performance and endurance, to limit the risks of gastro-intestinal problems and finally to allow better recovery after exercise. – A micro-nutrient source, especially Calcium and Magnesium, that contributes to good muscle function during exercise and good recovery. It is also rich in vitamin B1.