This B-vitamin- complex contains a unique blend of vitamins B1, 2, 3, 6, 12, folic acid, biotin, pantothenic acid, choline, inositol, PABA and L-methionine. Because B-vitamins are used to support the body's metabolism of the major nutrients- carbohydrate, fat and protein - this supplement can be used for its role in energy metabolism. In addition, B-complex is recommended as an anti-stress formula due to its role in supporting brain and nerve function. This unique formula provides extra nutrients needed for heart health such as choline and the amino acid, L-methionine.