Benefits Complete B Complex: Contains ALL 8 B Vitamins, B1 B2 B3 B5 B6 Biotin (B7) Folate (B9) and cobalamin (B12), and all bioavailable active forms. Most B complex liquid supplements contain only some of the B vitamins or cheap inactive forms! You'll feel the difference. Combined benefits: Together, the B complex improves hair, skin, and nails, stress and mood, neurological function, metabolism, and fatigue. Individual benefits: B1 improves morale, B2 is an antioxidant, B3 supports good cholesterol, pantothenic acid helps hair, skin, and nails, B6 helps create red blood cells and neurotransmitters, B7 stimulates keratin production, B9 (folate) helps red and white blood cell production and fetal development, and cobalamin, the most famous, helps with DNA and red blood cell production and neurological function (for an energy boost!