| Vitamins | Methods |
|---|---|
| Vitamin A as beta-Carotene | HPLC |
| Vitamin A as Retinyl Acetate or Retinyl Palmitate | HPLC |
| Vitamin B1 as Thiamin HCl | HPLC |
| Vitamin B1 as Thamine Mononitrate | HPLC |
| Vitamin B2 as Riboflavin or Riboflavin 5-Phosphate | USP, HPLC |
| Vitamin B3 as Niacin or Niacinamide | HPLC |
| Vitamin B3 as Inositol Hexanicotinate | HPLC |
| Vitamin B5 as Pantothenic Acid or Calcium Salt | GC, HPLC |
| Vitamin B6 as Pyridoxine HCl | HPLC |
| Vitamin B6 as Pyridoxal-5 Phosphate | HPLC |
| Vitamin B12 as Cyanocobalamin | HPLC, Micro |
| Vitamin B12 as Methylcobalamin | HPLC |
| Vitamin B12 as Hydroxycobalamin | HPLC |
| Vitamin C as Ascorbic Acid | HPLC, Titration |
| Vitamin C as Ascorbyl Palmitate | HPLC |
| Vitamin C as Ascorbyl Phosphate | HPLC |
| Vitamin C as Ascorbyl Esters | HPLC |
| Vitamin C as Isoascorbyl Acid | HPLC |
| Vitamin D as Ergocalciferol | HPLC |
| Vitamin D as Cholecalciferol | HPLC |
| Vitamin E as alpha-Tocopherol | GC, HPLC |
| Vitamin E as Total Tocopherols | GC, HPLC |
| Vitamin E as Tocopherol Acetate or Succinate | GC, HPLC |
| Vitamin H as Biotin | HPLC, Micro |
| Vitamin K1 as Phylloquinone | HPLC |
| Vitamin K2 as MK4, MK7 | HPLC |
| Vitamin K3 as Menadione | HPLC |
| Vitamin M as Folic Acid or Folinic Acid | HPLC |
| Choline Bitartrate | HPLC |
| Folinic Acid | HPLC |
| Inositol and Pinitol | HPLC |
| Inositol Hexaniconitate | HPLC |
| Pantethine | HPLC |