Skip to Content
Home > Wellness > Health Library > Vitamins B6 and B12 for Morning Sickness
Studies suggest that taking vitamin B6 for
morning sickness greatly improves nausea, though not vomiting, for many pregnant women. There
has been no sign of harm to the fetus with vitamin B6 use.1
A typical dose of vitamin B6 for morning sickness is
25 mg, 3 times a day.
Talk to your health professional before taking vitamin B6 for
Intake of more than 100 mg a day
of vitamin B6 can cause temporary nerve damage.
Studies suggest that taking vitamin B12 improves vomiting for many pregnant women. There has been no sign of
harm to the fetus with vitamin B12 use. In fact, a combination of vitamin B12
folic acid is thought to prevent neural tube defects
in the growing fetus.1
In studies, the dose of vitamin B12 has ranged from
4 mcg a day to
25 mcg twice a day.1
Talk to your doctor before taking vitamin B12 for
vomiting during pregnancy.
Festin M (2009). Nausea and vomiting in
early pregnancy, search date May 2008. BMJ Clinical Evidence. Available online: http://www.clinicalevidence.com.
Current as of:
June 4, 2014
Sarah Marshall, MD - Family Medicine & Kirtly Jones, MD - Obstetrics and Gynecology
How this information was developed to help you make better health decisions.
To learn more, visit Healthwise.org
© 1995-2014 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.