Informed Sport
Unlike zero-calorie electrolyte tabs, SiS GO Electrolyte is a carbohydrate-plus-electrolyte powder — around 36 g of carbohydrate (maltodextrin and fructose) and electrolytes including sodium, potassium, calcium and magnesium per 500 ml serving, for energy and hydration during longer sessions. Informed Sport certified. £25 at Amazon UK, with 1,500 reviews at 4.6/5.
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