Rest and nutrition for good health.Each sachet contains 3000 mg of glycine, vitamin D and zinc, plus citric acid.How to use:Take one sachet a day as a guide, and take it as it is with water.. Ingredient: [Ingredients] Zinc-containing yeast powder (manufactured in the United States), ginger extract powder/glycine, citric acid, calcium phosphate, calcium silicate, paste (pullulan), emulsifier, V. D, (partly contains gelatin) [Nutritional information/per daily bag (3.5g)] Energy: 14kcal, protein: 3.3g, fat: 0.011g, carbohydrate: 0.02-0. 3 g, salt equivalent: 0.0004 g, vitamin D: 8.5 g, zinc: 8.8 mg, glycine: 3000 mg, citric acid: 40 mg