Vitamin App ReferenceSource-linked nutrient and bioactive reference
Menu
HomeSearchVitamins & MineralsFoods & BioactivesGoalsConditionsTagsSafety
Compare
Compare BioactivesPopulation Compare
References
About This ReferenceSource LibraryReview DashboardEvidence LegendEditorial StandardsUpdate PolicyQuality & Purchasing GuidelinesPrivacy & Feedback
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.
Back to Foods & Bioactives
PromisingReviewedHigh caution

Antioxidants & Phytonutrients

Turmeric & Curcumin

Compounds that participate in redox balance or influence cellular stress-response pathways. Food patterns matter more than isolated antioxidant megadoses.

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

culinaryAyurveda

High-Caution Safety Flags

Use extra caution before concentrated supplement use, especially with medications, pregnancy, liver/kidney disease, heart conditions, or complex medical history.

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

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.
Review gap: Clinical / safety source
Add a clinical review, safety monograph, systematic review, or other deeper safety reference before strengthening claims.

Function

Curcuminoid polyphenols influence inflammatory and antioxidant signaling pathways.

Natural Sources

Turmeric root, turmeric powder, curry blends containing turmeric.

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.
  • Liver-safety context: liver enzymes and symptoms such as dark urine, jaundice, severe fatigue, or abdominal pain need medical review.

Suggested Guidelines When Purchasing

What to look for: For curcumin, formulation matters because absorption varies widely; compare extract type, curcuminoid amount, and whether absorption enhancers are used.

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

  • 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.
  • Piperine-enhanced products can affect medication exposure; gallbladder, bleeding-risk, surgery, pregnancy, and liver contexts deserve caution.

Intake Guidance

No official DRI

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

Evidence Summary

Inflammatory and antioxidant signaling

Promising

Curcumin is biologically plausible and widely studied, but benefits depend strongly on formulation, absorption, outcome, and study quality.

Dose context: No official RDI exists. Studied products vary widely and should not be treated as interchangeable.

Caution: Use caution with anticoagulants, gallbladder disease, surgery contexts, pregnancy, and high-dose extracts.

Studies/sources: Dietary Supplements for Primary Mitochondrial Disorders and Other Conditions: Curcumin References (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.
Note: Curcumin absorption varies widely by formulation and meal context.

Sources

FoodData Central

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