Overview Examples login to view 9 more bullets Characteristics login to view 3 more bullets Vitamin B1 (Thiamine) Edematous legs of a patient with wet beriberi. Function login to view 5 more bullets Deficiency login to view 33 more bullets Vitamin B2 (Riboflavin) Function login to view 5 more bullets Deficiency login to view 7 more bullets Vitamin B3 (Niacin) Function login to view 4 more bullets Deficiency login to view 13 more bullets Excess login to view 8 more bullets Vitamin B5 (Pantothenate) Function login to view 5 more bullets Deficiency login to view 3 more bullets Vitamin B6 (Pyridoxine) Function login to view 7 more bullets Deficiency login to view 7 more bullets Vitamin B12 (Cobalamin) Function login to view 8 more bullets Source login to view 2 more bullets Deficiency login to view 26 more bullets Folic Acid Function login to view 3 more bullets Deficiency login to view 18 more bullets Biotin Function login to view 10 more bullets Deficiency login to view 7 more bullets Vitamin C (Ascorbic Acid) Function login to view 18 more bullets Source login to view 2 more bullets Deficiency login to view 12 more bullets Excess login to view 4 more bullets S-Adenosylmethionine (SAM) Not a vitamin but an important cofactor Synthesis login to view 2 more bullets Function login to view 3 more bullets