Vitamin Chemical Structures

by Anne Marie Helmenstine, Ph.D.
Updated March 06, 2017
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Vitamin A (Retinol) Chemical Structure

Chemical structure of Vitamin A or Retinol
Chemical structure of Vitamin A or Retinol.

This is a collection of molecular structures of the vitamins.

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Vitamin B1 (Thiamine Chloride) Chemical Structure

Vitamin B1 (Thiamine Chloride)
Vitamin B1 (Thiamine Chloride).
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Vitamin B2 (Riboflavin) Chemical Structure

Vitamin B2 (Riboflavin)
Vitamin B2 (Riboflavin). Todd Helmenstine
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Vitamin B3 (Niacinamide) Chemical Structure

Vitamin B3 (Niacinamide)
Vitamin B3 (Niacinamide).
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Vitamin B4 (Adenine) Chemical Structure

Vitamin B4 (Adenine)
Vitamin B4 (Adenine).
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Vitamin B5 (Pantothenic Acid) Chemical Structure

Vitamin B5 (Pantothenic Acid)
Vitamin B5 (Pantothenic Acid). Todd Helmenstine
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Vitamin B6 (Pyridoxal) Chemical Structure

Vitamin B6 (Pyridoxal) Chemical Structure
Vitamin B6 (Pyridoxal) Chemical Structure Vitamin B6 (Pyridoxal) Chemical Structure. Todd Helmenstine
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Vitamin B7 (Biotin) Chemical Structure

Vitamin B7 (Biotin)
Vitamin B7 (Biotin). Todd Helmenstine
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Vitamin B12 Chemical Structure

Vitamin B12
Vitamin B12. Todd Helmenstine
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Vitamin C - Ascorbic Acid Chemical Structure

Vitamin C or L-Ascorbic Acid
Vitamin C or L-Ascorbic Acid.
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Vitamin D2 Chemical Structure

Vitamin D2
Vitamin D2. Todd Helmenstine
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Vitamin D3

Vitamin D3
Vitamin D3. Todd Helmenstine
13
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Vitamin K3 (Menadione) Chemical Structure

Vitamin K3 (Menadione)
Vitamin K3 (Menadione).
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Vitamin E or Tocopherol Chemical Structure

Vitamin E or Tocopherol
Vitamin E or Tocopherol.
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Vitamin K1 - Phylloquinone Chemical Structure

This is the chemical structure of phylloquinone.
This is the chemical structure of phylloquinone. Todd Helmenstine

The molecular formula for phylloquinone is C31H46O2.

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Vitamin M (Folic Acid) Chemical Structure

Vitamin M (Folic Acid)
Vitamin M (Folic Acid).
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Vitamin M or Folic Acid Chemical Structure

Molecular Structure of Vitamin M or Folic Acid
Molecular Structure of Vitamin M or Folic Acid. Dr. A.M. Helmenstine
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Vitamin U Chemical Structure

Methylmethionine is also known as Vitamin U.
Methylmethionine is also known as Vitamin U.
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Vitamin H Chemical Structure

Vitamin B7 (Biotin)
Vitamin B7 (Biotin). Todd Helmenstine

The molecular formula for Vitamin H is C10H16N2O3S.