Vitamins serve crucial functions in almost all bodily processes (immune, hormonal and nervous systems) and must be obtained from food and or supplements as our bodies are unable to make vitamins. There are thirteen vitamins classified as either water soluble (C and B complex) or fat soluble (A, D, E and K).

The 13 vitamins are: A, B1, B2, B3, B5, B6, B7, B9, B12, C, D, E and K.

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