All vitamin name and number
Here is a complete list of all vitamins with their names and numbers:
Fat-Soluble Vitamins
| Number | Name | Also Known As |
|---|---|---|
| Vitamin A | Retinol | Retinol, Retinal, Retinoic acid |
| Vitamin D | Calciferol | D2 = Ergocalciferol, D3 = Cholecalciferol |
| Vitamin E | Tocopherol | Alpha-tocopherol (most active form) |
| Vitamin K | Phylloquinone / Menaquinone | K1 = Phylloquinone, K2 = Menaquinone, K3 = Menadione |
Water-Soluble Vitamins
| Number | Name | Also Known As |
|---|---|---|
| Vitamin B1 | Thiamine | Aneurine |
| Vitamin B2 | Riboflavin | Lactoflavin |
| Vitamin B3 | Niacin | Nicotinic acid, Nicotinamide |
| Vitamin B4 | Adenine | (No longer considered a true vitamin) |
| Vitamin B5 | Pantothenic acid | Pantothenate |
| Vitamin B6 | Pyridoxine | Pyridoxal, Pyridoxamine |
| Vitamin B7 | Biotin | Vitamin H, Coenzyme R |
| Vitamin B8 | Inositol | (Not universally recognized as a vitamin) |
| Vitamin B9 | Folate / Folic acid | Folacin, Pteroylglutamic acid |
| Vitamin B10 | PABA | Para-aminobenzoic acid (not a true vitamin) |
| Vitamin B11 | Salicylic acid / Pteryl-hepta-glutamic acid | (Not widely recognized) |
| Vitamin B12 | Cobalamin | Cyanocobalamin, Methylcobalamin, Adenosylcobalamin |
| Vitamin C | Ascorbic acid | L-ascorbic acid |
Why Are Some B Numbers Missing?
Several B vitamin numbers were removed after further research showed they were either:
- Not essential in the human diet
- Synthesized adequately by the body
- Actually the same compound as another vitamin
| Number | Original Compound | Reason Removed |
|---|---|---|
| B4 | Adenine | Synthesized by the body |
| B8 | Inositol | Made by the body |
| B10 | PABA | Not a true dietary vitamin |
| B11 | Various | Redundant or not validated |
Quick Summary - The 13 Official Vitamins
The 13 recognized essential vitamins for humans are:
Fat-soluble (4): A, D, E, K
Water-soluble (9): B1, B2, B3, B5, B6, B7, B9, B12, and C
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