There are 13 essential vitamins:

• Fat-soluble vitamins (A, D, E, K) are stored in the body's fatty tissue:
  • Vitamin A (retinol, retinal, 4 carotenoids);
  • Vitamin D (D3 - Cholecalciferol, D2 - Ergocalciferol);
  • Vitamin E (tocopherols, tocotrienols);
  • Vitamin K (phylloquinone, menaquinones).
• Water-soluble vitamins (B1, B2, B3, B5, B6, B7, B9 and C):
  • Vitamin C (ascorbic acid);
  • Vitamin B1 (thiamine);
  • Vitamin B2 (riboflavin);
  • Vitamin B3 (niacin);
  • Vitamin B5 (pantothenic acid);
  • Vitamin B6 (pyridoxine, pyridoxal, pyridoxamine);
  • Vitamin B7 (biotin);
  • Vitamin B9 (folic acid);
  • Vitamin B12 (cyanocobalamin).