Functions of vitamins.

1. Vitamin A: Supports vision, immune function, and skin health.
2. Vitamin B complex: Helps with energy production, metabolism, and nerve function.
3. Vitamin C: Acts as an antioxidant, supports immune function, and aids in collagen production.
4. Vitamin D: Supports bone health, immune function, and mood regulation.
5. Vitamin E: Acts as an antioxidant, supports immune function, and helps with skin health.
6. Vitamin K: Supports blood clotting and bone health.
7. Vitamin B12: Supports nerve function, red blood cell production, and DNA synthesis.
8. Vitamin B6: Helps with metabolism, brain function, and immune function.
9. Vitamin B3 (niacin): Supports energy production, skin health, and nerve function.
10. Vitamin B9 (folic acid): Supports cell division, DNA synthesis, and red blood cell production.

Functions of Vitamins

Water-Soluble Vitamins:

- Vitamin C (ascorbic acid):
- Antioxidant
- Involved in collagen formation, tissue repair, and immune function
- Vitamin B1 (thiamin):
- Essential for energy metabolism
- Vitamin B2 (riboflavin):
- Involved in energy metabolism, red blood cell production, and vision
- Vitamin B3 (niacin):
- Involved in energy metabolism, cholesterol synthesis, and nervous system function
- Vitamin B6 (pyridoxine):
- Involved in protein metabolism, neurotransmitter synthesis, and red blood cell production
- Vitamin B9 (folate):
- Essential for DNA synthesis and red blood cell production
- Vitamin B12 (cobalamin):
- Involved in DNA synthesis and red blood cell production

Fat-Soluble Vitamins:

- Vitamin A (retinol):
- Essential for vision, immune function, and skin health
- Vitamin D (cholecalciferol):
- Facilitates calcium absorption, promotes bone health
- Vitamin E (tocopherol):
- Antioxidant
- Vitamin K (phylloquinone):
- Essential for blood clotting