The vitamin B-complex are essential water-soluble vitamins, including vitamin B1(thiamine), vitamin B2 (riboflavin ), vitamin B3 (niacin), vitamin B5 (pantothenic acid), vitamin B6 (pyridoxine), biotin, folic acid and vitamin B12 (cobalamins). C. Vitamin B3 ((NADH and NADPH)) is found abundantly in crimini mushrooms, shiitake mushrooms, chicken, tuna, salmon, chicken breast, etc. The vitamin not only …