This is a bottle of NOW Foods Magnesium Glycinate with BioPerine, containing 60 vegetarian capsules.It is formulated for nervous system support and marketed as a highly absorbable form of magnesium.The product is non-GMO, vegan, and vegetarian friendly.The suggested serving size contains 200 mg of elemental magnesium and 2.5 mg of piperine from BioPerine.