Essential Mineral. Bioavailable Source of Iron. Non-Constipating. Non-GMO. A Dietary Supplement. Vegetarian/Vegan. Kosher. Minerals. Family Owned Since 1968. Halal. GMP Quality Assured. Albion Minerals. NOW Iron Complex is a unique blend of Ferrochel Iron (a bioavailable form of iron) and its important co-nutrients combined with complementary botanicals. Iron is a mineral required for the formation of hemoglobin, a molecule that transports oxygen to the cells throughout the body in red blood cells. Vitamin B-12 and folate are necessary for red blood cell production, while vitamin C is known to enhance iron absorption from the GI tract. This vegetarian formula is well-tolerated and non-constipating and has been designed to maximize iron absorption and utilization by the body.