Ginger root is used against nausea, most studied in pregnancy.
Calculator Official intake Study doses Best form Safety Sources
This is not an essential nutrient, so there is no official daily intake. Only study doses are shown.
These are doses tested in research, not personal advice. Some exceed the upper limit because they were short courses or given under medical care.
No single dose
A meta-analysis of 12 trials (1,278 pregnant women) found ginger eased nausea but did not clearly reduce vomiting. Doses under 1,500 mg a day seemed to work best for nausea. No increased miscarriage risk was found, but the evidence quality was low.
No best form
Why: Trials used ginger powder or extract; lower daily doses seemed best for nausea.
Fresh or dried ginger root, ginger tea.
May add to blood thinners. Talk to your midwife or doctor before using it in pregnancy.
In pregnancy trials ginger did not increase heartburn or drowsiness.
Pregnant, breastfeeding, on medication, or managing a health condition? Check with a doctor or pharmacist before starting a supplement.
Values checked: November 12, 2026.