Ginger: Clinical Evidence & Substantiation Summary

Clinical Trials
78
Strongest Evidence
Digestive Health
Typical Dosage
250–2,000 mg/day
Common Forms
Ginger root extract

What Is Ginger?

Ginger (Zingiber officinale) is a widely used medicinal spice with strong evidence for digestive support, nausea relief, and anti-inflammatory effects. Its bioactive compounds (gingerols, shogaols) have been studied in over 100 clinical trials.

Mechanism of action: Gingerols and shogaols inhibit COX-1, COX-2, and 5-LOX, reduce prostaglandin synthesis, and block serotonin receptors in the GI tract (anti-nausea mechanism). They also activate TRPV1 channels, promote gastric motility, and have thermogenic properties.

Clinical Evidence Summary

Below are 5 key clinical studies on Ginger. Nutra Comp analyses 78+ studies in its full clinical evidence report.

Cochrane meta-analysis2018PMID: 29610056

Ginger for nausea and vomiting: Cochrane review

Population: 12 RCTs, 1,278 pregnant women

Key finding: Ginger significantly reduced pregnancy-related nausea severity (p<0.001) with an excellent safety profile.

Meta-analysis2018PMID: 30368550

Ginger and inflammation markers: meta-analysis

Population: 9 RCTs

Key finding: Ginger supplementation significantly reduced CRP (WMD: -0.84 mg/L, p=0.007) and fasting glucose.

Systematic review2019PMID: 31142457

Ginger for exercise-induced muscle soreness

Population: 6 RCTs

Key finding: Ginger supplementation (2 g/day) significantly reduced DOMS pain ratings by 25% when taken pre- and post-exercise.

Meta-analysis2017PMID: 28515951

Ginger and osteoarthritis pain: meta-analysis

Population: 5 RCTs, 593 patients

Key finding: Ginger extract significantly reduced OA pain scores (SMD -0.41, p=0.004) and was well tolerated.

Meta-analysis2020PMID: 32268543

Ginger supplementation and lipid profile

Population: 12 RCTs

Key finding: Ginger significantly reduced triglycerides (WMD: -17.59 mg/dL, p=0.001) and total cholesterol.

Evidence-Based Structure–Function Claims

Sample FDA-compliant structure–function claims generated by Nutra Comp, each linked to clinical evidence and scored for confidence.

9
Supports digestive comfort and healthy gut motility
Category: Digestive · Confidence: 9/10
8
Supports a healthy inflammatory response
Category: Inflammation · Confidence: 8/10
7
Supports joint comfort
Category: Joint Health · Confidence: 7/10

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Related Ingredients

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156 studies · Digestive Health
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78 studies · Inflammatory Response
Turmeric
91 studies · Inflammatory Response

Key Terms

Meta-AnalysisEffect SizeStandardised Extract

Frequently Asked Questions

Is ginger FDA approved?

Ginger has GRAS status as a food ingredient. As a supplement, it does not require FDA drug approval.

What are the most studied benefits?

Nausea relief (especially pregnancy-related), anti-inflammatory support, joint comfort, and digestive motility.

What dosage is used?

250 mg–2 g/day depending on the indication. For nausea: 250 mg four times daily. For inflammation: 1–2 g/day of extract.

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