Ginger

Best for

Ease morning sickness in pregnancy

Faint early signal · 30–2500 mg/day for 1–1 weeks · 2 meta-analyses , n=498

59 papers · 3 claims · 119 outcomes scored · 2 positive

Outcomes

What ginger actually does, by outcome

Each row is one outcome with effect size, evidence base, the dose that worked in trials, and time to first effect. Magnitude tiers come from native-unit MCID where available, Cohen's d otherwise.

Outcome Effect size Evidence Dose Weeks Rank

Ease morning sickness in pregnancy Faint early signal

Calms nausea, retching, and vomiting in early pregnancy.

4 meta-analyses n=498 30–2500 mg 1–1 wk

24616799·24642205·25414888·36969661

small

4 meta-analyses n=498 Meta-analyzed I²=91%

30–2500 mg

1–1 wk

—

Settle nausea and stop vomiting Barely detectable

Your stomach calms faster so queasiness stops running the show.

10 meta-analyses n=1.4k 10–1500 mg 1–13 wk #2/15

24616799·24642205·24693389·26664238 +6 more

trivial

10 meta-analyses n=1.4k Meta-analyzed I²=75%

10–1500 mg

1–13 wk

#2 /15

Improve overall digestive comfort Not enough research

Less cramping, rumbling, and unease throughout your gut.

2 RCTs n=104 1000 mg 13 wk

40421412·23152846

—

2 RCTs n=104

1000 mg

13 wk

—

Outcome	Effect	Evidence	Dose	Weeks	Rank
Ease morning sickness in pregnancy Faint early signal	small	4 meta-analyses n=498 Meta-analyzed	30–2500 mg	1–1 wk	—
Settle nausea and stop vomiting Barely detectable	trivial	10 meta-analyses n=1.4k Meta-analyzed	10–1500 mg	1–13 wk	#2/15
Improve overall digestive comfort Not enough research		2 RCTs n=104	1000 mg	13 wk	—

Buy well

Recommended Ginger products

Real products that dose Ginger where the research does, in a clean formulation, from brands we've audited. We only list ones we'd stand behind.

Chosen for adequate Ginger dosing vs. the studied range, a clean formulation (grade A–C), and independent brand-quality audits. Not sponsored.

Risk profile

Adverse events and known drug interactions

Safety events

spontaneous abortion severe

arrhythmia severe

allergic reaction severe

dehydration severe

Maternal toxicity severe

Fetal death severe

Gastrointestinal symptoms (including heartburn) moderate

fatigue mild

Drug interactions

Drug:Warfarin major increases effect

Cyclosporine major decreases concentration

Warfarin major increases toxicity

Phenprocoumon major increases toxicity

Drug:Nifedipine major unknown

Nifedipine major increases effect

Tacrolimus major increases concentration

Losartan major increases concentration

Clopidogrel major decreases concentration

Gentamicin moderate decreases concentration

Sources

Generated August 14, 2026

Ginger

What ginger actually does, by outcome

Recommended Ginger products

Adverse events and known drug interactions

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