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Vitamin B6 for Morning Sickness

Topic Overview

Studies suggest that taking vitamin B6 for morning sicknessgreatly improves nausea, though not vomiting, for many pregnant women. There has been no sign of harm to the fetus with vitamin B6 use.footnote 1

A typical dose of vitamin B6 for morning sickness is 10 mg to 25 mg, 3 times a day.footnote 2

Talk to your health professional before you take vitamin B6 for morning sickness.

Intake of more than 100 mg a day of vitamin B6 can cause temporary nerve damage.

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  1. Festin M (2014). Nausea and vomiting in early pregnancy. BMJ Clinical Evidence. Accessed June 23, 2014.
  2. Kelly TF, Savides TJ (2009). Gastrointestinal disease in pregnancy. In RK Creasy et al., eds., Creasy and Resnik's Maternal-Fetal Medicine: Principles and Practice, 6th ed., pp. 1041-1057. Philadelphia: Saunders Elsevier.


ByHealthwise Staff
Primary Medical ReviewerSarah A. Marshall, MD - Family Medicine
Adam Husney, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
Specialist Medical ReviewerKirtly Jones, MD - Obstetrics and Gynecology, Reproductive Endocrinology

Current as ofNovember 21, 2017

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