Berry flavoured electrolyte mix with natural elderberry extract & added sweetener. Si S GO Hydro contains precise levels of sodium & other electrolytes to hydrate you during intense exercise. With virtually no calories use before & during sport. Si S GO Hydro should be used as part of a balanced diet & healthy life style. It is not intended as a weight loss product. When you need hydration with virtually no calories. It was developed to keep the British Sailing team optimally hydrated at t