60 servings. High-bioavailability, high-absorption Magnesium Glycerophosphate Chelate is the newest form of magnesium that delivers everything you want. Flavorless, it dissolves easily and is digested perfectly. Get all the benefits of magnesium, from sleep to muscle and bone support, in one easy-to-drink daily powder. Third party tested for quality and purity. Recommended use of Mag-GP: Take 1-2 tablespoons a day, mixed with water or another drink.