All you always wanted to know about vitamins:

- Description
- Functions
- Deficiency impact
- Food stuffs containing the vitamin
- The vitamin as a supplement
- Interactions with medication, other vitamins and minerals
- Warnings on over dose and deficiency of vitamins

NEW! Check out our vitamin informational pages:

Vitamin A

Vitamin B₁ (thiamin)

Vitamin B₂ (riboflavin)

Vitamin B₃ (niacin)

Vitamin B₅ (patothenic acid)

Vitamin B₆ (pyridoxine)

Vitamin B₁₂ (cobalamin)

Vitamin C

Vitamin D

Vitamin E

Vitamin K

Biotin

Folate (folic acid)

Descriptions of vitamins on this website are based on information provided by BBC Health and The Linus Pauling Institute.