A tablet for oral administration of nutritional indium comprises about 10 50 mg indium sulfate, about 4 20 mg caffeine, about 2 10% by weight cocoa powder, and about 5 10% by weight ethyl cellulose, in combination with about 50 150 .mu.g of each of zinc oxide, copper (II) oxide, magnesium oxide, potassium iodide, selenium amino acid chelate, chromium amino acid chelate and manganese amino acid chelate.