Use our vitamin converter below for approximate conversion rates of vitamins or download our vitamin conversion chart.
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Vitamin Converter
| Vitamin A | ||
| retinol (all-(E)-retinol) mg | IU | |
| mg | mg RE | |
| IU | mcg | |
| mcg RE | mcg | |
| retinyl acetate (all-(E)-retinol acetate) mg | IU | |
| mg | mcg RE | |
| IU | mcg | |
| mcg RE | mcg | |
| retinyl palmitate (all-(E)-retinol palmitate) mg | IU | |
| mg | mcg RE | |
| IU | mcg | |
| mcg RE | mcg | |
| Vitamin B | ||
| thiamine hydrochloride mg | mg thiamine (vit B1) | |
| (USA/FDA conversion): thiamine hydrochloride mg | mg thiamine (vit B1) | |
| thiamine nitrate mg | mg thiamine (vit B1) | |
| riboflavine sodium phosphate mg | mg riboflavine (vit B2) | |
| Calcium pantothenate mg | mg pantothenic acid (vit B5) | |
| mg Calcium | ||
| dexpanthenol mg | mg pantothenic acid (vit B5) | |
| pyridoxal 5-phosphate mg | mg pyridoxine (vit B6) | |
| pyridoxine hydrochloride mg | mg pyridoxine (vit B6) | |
| Vitamin C | ||
| ascorbyl palmitate mg | mg ascorbic acid (vit C) | |
| calcium ascorbate(dihydrate) mg | mg ascorbic acid (vit C) | |
| mg calcium | ||
| sodium ascorbate mg | mg ascorbic acid (vit C) | |
| mg sodium | ||
| Vitamin D | ||
| cholecalciferol mcg | IU vit D3 | |
| IU | mcg | |
| ergocalciferol mcg | IU vit D2 | |
| IU | mcg | |
| Vitamin E | ||
| d-alpha-Tocopherol mg | IU | |
| IU | mcg | |
| dl-alpha-Tocopherol mg | IU | |
| IU | mcg | |
| d-alpha-Tocopheryl acetate mg | IU | |
| IU | mcg | |
| dl-alpha-Tocopheryl acetate mg | IU | |
| d-alpha-Tocopheryl acid succinate mg | IU | |
| IU | mcg | |
| dl-alpha-Tocopheryl acid succinate mg | IU | |
| IU | mg |
IU: International Units; RE: Retinol Equivalents; mg: milligrams; mcg: micrograms
Disclaimer: Whilst Robert Forbes & Associates has made every effort to be accurate, errors may appear and are inadvertent.
