Essential Mineral18 mg Per ServingIron Taste Free Ferric GlycinateGentle & Non-ConstipatingA Dietary SupplementVegetarian/VeganMineralsFamily Owned Since 1968GMP Quality AssuredIron is an essential mineral that plays central role in energy production, immune system function, and neurological health. Iron is an essential component of hemoglobin, a molecule that transports oxygen to the cells of the body, and myoglobin, which binds oxygen used in muscle tissues. NOW uses Iron Taste Free Ferric Glycinate, which has clinically demonstrated superior absorption and is well tolerated because it is gentle and non-constipating.