To provide a composition for beverage for supplementing minerals suitable for supplementing deficient contents of minerals of modern people and drinking water for supplementing the minerals by using the composition.

The drinking water comprises a water-soluble coral calcium produced from nature or its organic acid salt and fired coral calcium obtained by firing the coral calcium produced from nature. The drinking water further comprises slightly digestive dextrin and vitamins. The composition for drinking water for supplementing minerals is provided in a state subdivided with a porous sheet or a hermetically sealed bag.