Studies show niacin prevents mental disease and lowers high cholesterol. Rats who were low in this acid failed to grow, had graying hair, hemorrhaging and malfunctioning adrenals. Infants fed formulas low in B6 had epileptic seizures which eventually led to coma. When given B6 they returned to health. This acid helps the enzyme that makes DNA duplication possible.
Deficiencies cause the baby's growth to slow and can lead to miscarriage or birth defects.
Nature's Prenatal includes 800 mcg of folic acid. B12 helps to use protein and is necessary for growth. A deficiency of biotin leads to slow growth. It regulates the heart beat. Studies show that many pregnant women are low in magnesium.