Research review
Does ginger help with GI disease? What the research does and doesn't show
A 2019 review of clinical trials on ginger and digestive disorders found ginger's clearest evidence was for nausea. It has not been tested against a diagnosed GI disease such as IBS, GERD or inflammatory bowel disease in a controlled human trial. One small trial in functional dyspepsia found ginger sped up stomach emptying but didn't change symptoms, and a 2024 animal study raises a caution about ginger and IBS rather than a benefit.
A 2019 review of clinical trials on ginger and digestive disorders found ginger's clearest evidence was for nausea. It has not been tested against a diagnosed GI disease such as IBS, GERD or inflammatory bowel disease in a controlled human trial. The one trial in people with functional dyspepsia found ginger sped up stomach emptying but didn't change how symptoms felt, and the closest human-relevant IBS data is a caution from a 2024 mouse study, not a benefit.
What the evidence doesn't support
It doesn't support ginger as a treatment for IBS, GERD, ulcerative colitis, Crohn's disease or any other diagnosed GI condition — no controlled human trial testing ginger specifically against one of these was found in the literature search behind this page. It doesn't support ginger for functional dyspepsia symptoms either: the one trial that measured symptoms directly found none, even though it found a faster stomach-emptying time. And for IBS specifically, the newest and most relevant data point isn't a benefit at all — a 2024 mouse study raises a caution signal about a gingerol-derived compound and gut lining health at doses in the human range, not a reason to expect relief.
What the trials found
Across GI disorders generally. A 2019 systematic review searched clinical trials testing ginger consumption against various digestive complaints. Its authors concluded that a divided daily dose of 1,500 mg ginger was beneficial for nausea specifically, but that too few trials existed on other GI disorders to power a meaningful conclusion, and called for more extensive, well-controlled human studies with clearer dosing.
Functional dyspepsia. An 11-person randomized, double-blind crossover trial gave people diagnosed with functional dyspepsia a single 1.2 g dose of ginger or placebo, then measured stomach emptying by ultrasound after a test meal. Gastric emptying was faster after ginger (a median half-emptying time of about 12 minutes versus 16 minutes with placebo), and there was a trend toward more stomach contractions. But participants' digestive symptom scores, appetite ratings and gut hormone levels didn't differ between ginger and placebo — a faster-emptying stomach didn't translate into feeling better in this small trial.
Herbal medicine reviews. A Cochrane systematic review of 41 trials testing non-Chinese herbal medicines for functional dyspepsia found one trial, rated low certainty, in which a combination of ginger and artichoke extract improved global symptoms more than placebo in 126 people. That trial didn't test ginger by itself, so it doesn't establish what ginger alone would do for the same symptoms.
IBS: a caution, not a benefit. A 2024 study in mice found that a compound formed from ginger's 6-gingerol, after gastric acid and heat processing, interfered with the development of gut lining cells, thinned the protective mucus layer and increased low-grade inflammation — worsening IBS-like symptoms in the mouse model at a dose the researchers estimated as equivalent to roughly 0.6 to 2 grams a day in a person, a range within what some people take. This is one animal study, not a human trial, and it doesn't prove the same thing happens in people — but it's a reason for caution rather than a reason to expect ginger helps IBS symptoms, which is the opposite of how ginger is sometimes marketed for digestion.
| Study | Population | Dose | Finding |
|---|---|---|---|
| 2019 review | Pooled GI-disorder trials | 1,500 mg/day (nausea finding) | Nausea benefit supported; other GI outcomes underpowered |
| RCT, n=11 | Functional dyspepsia | 1.2 g, single dose | Faster gastric emptying, no symptom change |
| Cochrane review, n=126 (1 trial) | Functional dyspepsia | Ginger + artichoke combination | Improved global symptoms vs. placebo (low certainty; not ginger alone) |
| Mouse study, 2024 | Experimental IBS model | 90-300 mg/kg (~0.6-2 g/day human-equivalent) | Worsened IBS-like symptoms, damaged gut lining cell development |
Questions people ask
Is ginger root tea good for IBS?
No controlled human trial has tested ginger, in tea or any other form, against IBS. The most relevant recent data is a 2024 mouse study finding a ginger-derived compound worsened IBS-like symptoms at a dose in the range some people consume — a caution, not evidence of a benefit.
Can ginger root help with IBS?
There's no human trial evidence to answer that either way. The closest available research is an animal study pointing toward a possible risk at doses within the human range, which is a reason to be cautious rather than to expect relief.
How to use ginger root for GERD?
No controlled human trial testing ginger against GERD specifically was found. One relevant mechanism study found ginger speeds up stomach emptying, which is a different question from whether it reduces reflux symptoms — that hasn't been tested directly in people with GERD.
Is ginger root tea good for ulcerative colitis?
No controlled human trial testing ginger against ulcerative colitis or any other inflammatory bowel disease was found in the search behind this page.
When to talk to a doctor
IBS, GERD, ulcerative colitis and Crohn's disease are all diagnosed conditions with their own monitoring and treatment. Ginger has not been tested as a treatment for any of them in a controlled human trial, and the one relevant animal signal available points toward caution rather than benefit for IBS. Anyone with a diagnosed digestive condition, or with symptoms that are new, persistent or worsening, should talk to a doctor rather than start with a supplement.
Related reading: does ginger cause diarrhea, ginger benefits: what the research does and doesn't show, and who should not take ginger.
Sources
- Ginger in gastrointestinal disorders: A systematic review of clinical trials A 2019 review of clinical trials on ginger and digestive disorders found ginger's best-supported effect was on nausea; for other GI conditions, the authors said too few trials existed to draw a real conclusion, and called for better dose-finding studies.
- Effect of ginger on gastric motility and symptoms of functional dyspepsia In an 11-person trial, a single 1.2 g dose of ginger sped up stomach emptying in people with functional dyspepsia compared with placebo, but did not change their digestive symptom scores or gut hormone levels.
- 6-Shogaol Derived from Ginger Inhibits Intestinal Crypt Stem Cell Differentiation and Contributes to Irritable Bowel Syndrome Risk A 2024 mouse study found that a compound formed from ginger's 6-gingerol, at a dose equivalent to roughly 0.6-2 g a day in a person, damaged gut lining cell development and worsened IBS-like symptoms in mice — an animal finding that points toward a possible risk, not a studied human benefit.
- Non-Chinese herbal medicines for functional dyspepsia A Cochrane review of herbal medicines for functional dyspepsia found one low-certainty trial in which a ginger-and-artichoke combination improved symptoms versus placebo; the review did not include any trial that tested ginger by itself for this condition.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.