Minerals are not produced in the body and must be supplied by the diet. Vitamin D is added to support calcium assimilation; B-6 for magnesium and potassium assimilation. Minerals are utilized more efficiently in the acid medium, hence the addition of glutamic acid HCl.Suggested Use Three capsules daily, or more, as directed by a health care professional. Serving Size:3 Capsule Servings Per Container:83 Amount Per Serving % Daily Value Vitamin D (as cholecalciferol) 50 IU 13% Vitamin B-6 (pyridoxine HCl) 50 mg 2500% Calcium (as amino acid chelate) 300 mg 30% Magnesium (as amino acid chelate) 150 mg 38% Zinc (as amino acid chelate) 15 mg 100% Manganese (as amino acid chelate) 10 mg 500% Potassium (as amino acid chelate) 99 mg 3% L-Glutamic Acid HCl 325 mg Other Ingredients: rice flour, vegetable stearate, gelatin Warnings Not to be used by pregnant or lactating women. Tamper evident band around cap and seal on bottle. Do not use if either seal is broken or missing. Keep out of reach of children.