Dietary Supplement. Equivalent to 325 mg ferrous sulfate. Vital for red blood cell formation. Formulated for easy absorption. USP dietary supplement verified. Iron is an essential part of hemoglobin, the protein substance which enables red blood cells to carry oxygen through the body. No artificial flavors. No preservatives. No yeast, starch or gluten. Each tablet contains 65 mg elemental iron equivalent to 325 mg ferrous sulfate. Ferrous Sulfate Tablets USP. USP has tested and verified ingredients, potency and manufacturing process. USP sets official standards for dietary supplements. This product is not intended to diagnose, treat, cure or prevent any disease.