@reviewsbydeborahlee: This is the @Nutricost magnesium complex. it has 3 different types of magnesium in it has magnesium oxide, magnesium citrate and magnesium glycinate. there is 240 servings in this one bottle. you only take one a day. there is 500 mg of magnesium per serving for under $20. I will have this link in the orange shopping cart below. It is also non-gmo, gluten-free and works wonders for muscle cramps and constipation. #nutricost #nutricostmagnesiumcomplex #reviewsbydeborahlee #magnesiumcomplex #magnesiumsupplement