Vitamin B6 for Morning Sickness
Overview
Vitamin B6 can be used alone or with doxylamine to improve nausea and vomiting from morning sickness. 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 doctor or midwife before you take vitamin B6 for morning sickness.
Don't take more than 200 mg a day without talking with your doctor or midwife.
References
Citations
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Festin M (2014). Nausea and vomiting in early pregnancy. BMJ Clinical Evidence. http://clinicalevidence.bmj.com/x/pdf/clinical-evidence/en-gb/systematic-review/1405.pdf. Accessed June 23, 2014.
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Committee on Obstetric Practice (2018). Nausea and vomiting of pregnancy. ACOG Practice Bulletin No. 189. Obstetrics and Gynecology, 131(1): e15–e30. DOI: 10.1097/AOG.0000000000002456. Accessed July 18, 2018.
Credits
Current as of: July 15, 2025
Current as of: July 15, 2025
Festin M (2014). Nausea and vomiting in early pregnancy. BMJ Clinical Evidence. http://clinicalevidence.bmj.com/x/pdf/clinical-evidence/en-gb/systematic-review/1405.pdf. Accessed June 23, 2014.
Committee on Obstetric Practice (2018). Nausea and vomiting of pregnancy. ACOG Practice Bulletin No. 189. Obstetrics and Gynecology, 131(1): e15–e30. DOI: 10.1097/AOG.0000000000002456. Accessed July 18, 2018.