Prenatal Pro provides optimal supplementation for pregnant women, lactating women, and women wishing to become pregnant. The earlier supplementation begins the better because women need adequate nutrient stores to meet the greater nutrient demands for a growing baby. This prenatal multivitamin contains our proprietary NatureFolate blend of active isomer naturally-occurring folates in place of synthetic folic acid. The minerals chosen for Prenatal Pro are true chelates, which provide superior absorption compared to those found in standard prenatal vitamins. These minerals are dosed at levels to help achieve optimal results, such as: Calcium and magnesium healthy bone formation. Ferrochel chelated iron most bioavailable on the market, non-constipating. Significant levels of chelated zinc to reduce the risk of pre-term babies. Iodine deficiency in infancy can lead to learning disabilities .Made with non-GMO ingredients.