2. *Water-soluble vitamins* These dissolve in water and are not stored in the body in significant amounts, so they need to be consumed regularly. Excess amounts are usually excreted in urine. 1. Vitamin C (Ascorbic acid) Fxn: Antioxidant, immune support, collagen formation 2. B-complex vitamins, which include: 3. A. B1 (Thiamine) Fxn: Energy production, nerve function B. B2 (Riboflavin) Fxn: Energy metabolism, skin and eye health C: B3 (Niacin) Fxn: Energy metabolism, DNA repair, skin health D: B5 (Pantothenic acid) Fxn: Hormone production, energy metabolism E. B6 (Pyridoxine) Fxn: Protein metabolism, brain development F. B7 (Biotin) Fxn: Metabolism of fats and carbs, healthy hair and skin G. B9 (Folate) Fxn: DNA synthesis, red blood cell formation H. B12 (Cobalamin) Fxn: Nerve function, red blood cell production