Vitamin Chemical Structures

by
Anne Marie Helmenstine, Ph.D.
Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels.
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.

02
of 19

Vitamin B1 (Thiamine Chloride) Chemical Structure

Vitamin B1 (Thiamine Chloride)
Vitamin B1 (Thiamine Chloride).
03
of 19

Vitamin B2 (Riboflavin) Chemical Structure

Vitamin B2 (Riboflavin)
Vitamin B2 (Riboflavin). Todd Helmenstine
04
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Vitamin B3 (Niacinamide) Chemical Structure

Vitamin B3 (Niacinamide)
Vitamin B3 (Niacinamide).
05
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Vitamin B4 (Adenine) Chemical Structure

Vitamin B4 (Adenine)
Vitamin B4 (Adenine).
06
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Vitamin B5 (Pantothenic Acid) Chemical Structure

Vitamin B5 (Pantothenic Acid)
Vitamin B5 (Pantothenic Acid). Todd Helmenstine
07
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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
08
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Vitamin B7 (Biotin) Chemical Structure

Vitamin B7 (Biotin)
Vitamin B7 (Biotin). Todd Helmenstine
09
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Vitamin B12 Chemical Structure

Vitamin B12
Vitamin B12. Todd Helmenstine
10
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Vitamin C - Ascorbic Acid Chemical Structure

Vitamin C or L-Ascorbic Acid
Vitamin C or L-Ascorbic Acid.
11
of 19

Vitamin D2 Chemical Structure

Vitamin D2
Vitamin D2. Todd Helmenstine
12
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Vitamin D3

Vitamin D3
Vitamin D3. Todd Helmenstine
13
of 19

Vitamin K3 (Menadione) Chemical Structure

Vitamin K3 (Menadione)
Vitamin K3 (Menadione).
14
of 19

Vitamin E or Tocopherol Chemical Structure

Vitamin E or Tocopherol
Vitamin E or Tocopherol.
15
of 19

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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of 19

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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of 19

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.