What are the therapeutic uses of vitamin B-6 (pyridoxine)?

Updated: Jun 01, 2020
  • Author: Mark Rosenbloom, MD, MBA; Chief Editor: Michael A Miller, MD  more...
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Vitamin B-6 (ie, pyridoxine) is found in poultry, fish, pork, grains, and legumes. Supplements usually are 5-500 mg per tablet.

Vitamin B-6 functions in protein and amino acid metabolism. Pyridoxine is the treatment of choice for isoniazid overdose. It is also used by bodybuilders, as well as for the treatment, with varying results, of the following [6] :

  • Premenstrual syndrome (PMS)

  • Carpal tunnel syndrome

  • Schizophrenia

  • Childhood autism

  • Attention deficit hyperactivity disorder (ADHD)

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