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Vitamin B Complex 

General description

Vitamin B complex contains all the vitamins in the B group. The B vitamins are related to each other and work closely in your body. For this reason, having all the B vitamins in your body helps your body work better.

There are many B complex supplements. They all have different amounts of the common B vitamins. Some also contain vitamin C and bioflavonoids. These are often called B complex with C.

The B complex includes:

  • Thiamin (B-1)

  • Riboflavin (B-2)

  • Niacin (B-3)

  • Pantothenic acid (B-5)

  • Pyridoxine (B-6)

  • Folic acid (B-9)

  • Cobalamin (B-12)

These are often also included as part of the B complex:

  • Biotin (vitamin H)

  • Choline

  • Inositol

  • Para-aminobenzoic acid (PABA)

See each B vitamin for more information.

Online Medical Reviewer: Cynthia Godsey
Online Medical Reviewer: Diane Horowitz MD
Online Medical Reviewer: Rita Sather RN
Date Last Reviewed: 1/1/2019
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