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 Experts do not yet understand how vitamin B6 affects
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 health professional before taking vitamin B12 for
vomiting during pregnancy.
Festin M (2007). Nausea and vomiting in pregnancy in
early pregnancy, search date September 2006. Online version of BMJ Clinical Evidence. Also available online:
Niebyl JR, Goodwin TM (2002). Overview of nausea and
vomiting of pregnancy with an emphasis on vitamins and ginger. American Journal of Obstetrics and Gynecology, 186(5, Suppl):
How this information was developed to help you make better health decisions.