Each capsule provides 150 mg of elemental magnesium. This chelated magnesium is supplied by Albion Advanced Nutrition, the best mineral chelators in the industry. This product should not cause loose stools or stomach upset due to the very stable chelate formed between two glycine molecules and each magnesium ion via a patented process. There is no need to worry about absorption interference just like Designs for Healths other chelated mineral products. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.Product Contains: Magnesium (TRAACS® Magnesium Glycinate Chelate Buffered) 300 mg Other Ingredients: Microcrystalline cellulose, L-Leucine. This product does not contain: wheat, yeast, soy, gluten, eggs, corn, artificial colors, flavors, sugars, or preservatives.