New mothers need proper vitamin and mineral support to create nourishing breast milk for baby. Nursing Postnatal supplies 700% Daily Value Vitamin D, 200% Daily value key B vitamins, and 100% of other essential vitamins and nutrients such as vitamin A, Iron, and Folate. Unlike Nursing Blend, Nursing Postnatal DOES NOT contain an herbal blend to increase breast milk quantity. Nursing Postnatal is for mothers with no concern for how much breast milk they are making.