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For informational purposes only. Always consult a qualified medical professional before taking any supplement, herb, vitamin, mineral, or bioactive, especially if you use medications or have a medical condition. Read the full disclaimer.
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PromisingReviewed

Herbs & Botanicals

Ginger

Plants used as foods, spices, teas, or traditional supplements. Botanical effects vary by plant part, extract, dose, and medication context.

Page last reviewed: 2026-07-23 - next review due: 2027-01-23

culinaryTCMAyurveda

Safety Flags

blood thinners, bleeding risk, surgery, pregnancy/breastfeeding, gallbladder disease, reflux

Source Coverage

Included: US reference
Review gap: Canadian reference
Add or verify Health Canada context where an official Canadian reference exists.
Review gap: EU reference
Add or verify EFSA or EU health-claim context where an official EU reference exists.
Included: Clinical / safety source

Function

Culinary rhizome containing gingerols and shogaols, studied for nausea and digestive comfort contexts.

Natural Sources

Fresh ginger root, dried ginger, ginger tea.

Food vs Supplement Context

Natural sources describe where this item appears in foods, culinary ingredients, or traditional preparations. Concentrated supplements can differ by dose, extract type, preparation, standardization, and medication context, so they should be evaluated separately.

Testing & Monitoring Context

  • No routine lab test establishes a required daily need for most foods and bioactives; monitoring is usually based on the intended outcome, dose, medical history, and adverse effects.
  • Blood thinner or bleeding-risk context: ask a clinician or pharmacist about INR/bleeding monitoring and surgery timing.

Suggested Guidelines When Purchasing

What to look for: For botanicals, plant part, extract ratio, standardization marker, preparation type, and medication cautions matter more than the herb name alone.

Use caution or avoid: Avoid casual use when these flags apply: blood thinners, bleeding risk, surgery, pregnancy/breastfeeding, gallbladder disease, reflux.

  • Prefer ordinary food sources first when they provide the intended compound in a practical way.
  • For supplements, require clear labeling of active ingredient, dose per serving, serving size, and other ingredients.
  • Prefer products with third-party testing or transparent contaminant testing, especially for concentrated extracts, algae, mushrooms, minerals, and sports products.
  • Do not let marketing claims override the evidence, safety flags, source coverage, or dose context on this page.

Intake Guidance

No official DRI

No official RDA, AI, or RDI has been established for this bioactive as a required daily intake.

Evidence Summary

Nausea and digestive comfort

Promising

Ginger has human-study support in some nausea contexts, especially pregnancy-related nausea, while evidence is mixed in other contexts such as chemotherapy-associated nausea.

Dose context: No official RDI exists. Culinary ginger, teas, capsules, and extracts are not interchangeable.

Caution: Use clinician guidance in pregnancy supplement use, gallstone disease, bleeding-risk contexts, anticoagulants, surgery, reflux sensitivity, and cancer treatment contexts.

Studies/sources: Ginger (2026-07-23), Herbs at a Glance (2026-07-23), Mixing Medications and Dietary Supplements Can Endanger Your Health (2026-07-23)

Evidence Legend

Established use: Supported by official guidance, regulatory claim context, strong consensus, or repeated human evidence for a specific use.
Promising: Human studies or reviews suggest benefit for specific outcomes, but evidence is not broad enough to treat as settled general guidance.
Emerging: Early human, mechanistic, or mixed evidence; worth tracking, but not strong enough for confident user-facing claims.
Traditional use: Historically or traditionally used, but modern clinical evidence may be limited, mixed, or product-specific.
Category example: Included to describe a supplement or food category, not because a strong health claim is attached yet.

Sources

Ginger

National Center for Complementary and Integrative Health - acquired 2026-07-23 - Traditional / Safety Reference

Herbs at a Glance

National Center for Complementary and Integrative Health - acquired 2026-07-23 - Traditional / Safety Reference

FoodData Central

U.S. Department of Agriculture - acquired 2026-07-23 - Food Database