Helps convert the amino acid tryptophan into niacin. Helps make red blood cells . Supports nerve cell function. Deficiencies may occur in women taking oral contraceptives. Symptoms of toxicity do occur when large amounts are taken as supplements.
Sources are meats, legumes, green leafy vegetables, liver, whole grains, fruits.
Storage does not happen. Excretion is through the urine. Sometimes used to prevent morning sickness during pregnancy. Save it to add to soups, gravies, etc.