Template:Vitamin

v • d • e Vitamins (A11)

Fat soluble	A: Retinol - Beta-carotene - Tretinoin - Alpha-carotene D: 7-Dehydrocholesterol → Previtamin D3 → Cholecalciferol (D3) → Calcidiol → Calcitriol (active form) → Calcitroic acid; Ergosterol → Ergocalciferol (D2); (analogues: Dihydrotachysterol, Calcipotriol, Tacalcitol) E: Tocopherol - Tocotrienol K: Naphthoquinone - Phylloquinone/K1 - Menatetrenone/K2

Water soluble: B vitamins	B₁ (Thiamine, Sulbutiamine, Benfotiamine) - B₂ (Riboflavin) - B₃ (Niacin, Nicotinamide) - B₅ (Pantothenic acid, Dexpanthenol, Pantethine) - B₆ (Pyridoxine, Pyridoxal phosphate) - B₇ (Biotin) - B₉ (Folic acid) - B₁₂ (Cyanocobalamin, Hydroxocobalamin, Methylcobalamin, Cobamamide)

Water soluble: other	C (Ascorbic acid) - Choline

see also enzyme cofactors