<unk>  is a water-soluble vitamin. Pyridoxal phosphate (PLP) is the active form and is a cofactor in many reactions of amino acid metabolism, including transamination, deamination, and decarboxylation.  PLP also is necessary for the enzymatic reaction governing the release of glucose from glycogen.
Vitamin B6
Vitamin A
Vitamin C
B vitamins
Thiamin
Thiol
Vitamin D
Biotin