Zingiberaceae · rhizome

Turmeric

Curcuma longa

Meta-analysis / systematic reviewFood-like / generally well tolerated

Rhizome mapped to meta-analyses of curcuminoid extracts for several pain and inflammatory-scale endpoints. Kitchen turmeric is not those extracts.

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Safety first

Culinary rhizome is food-like. High-dose curcumin extracts — especially with piperine — have rare liver-injury reports, gallbladder cautions, and real drug-interaction potential. Meta-analyses exist; they do not make extracts a food.

Tradition vs trials

Traditional record. Ayurvedic haridra and TCM jiang huang are warming, bitter, blood-moving/drying rhizomes. European use is newer and extract-heavy.

Trial literature. Meta-analyses of osteoarthritis and other symptom scales often favor curcuminoid extracts over placebo. Heterogeneity, bioavailability tricks (piperine, phytosomes), and industry funding are common.

Practical ranges

Educational ranges — not a prescription. Culinary use is not an extract.

curcuminoid extracts
Trials often use about 500–2000 mg/day of curcuminoids in various delivery systems; culinary use is a fraction of a gram of powder. Not a prescription
NCCIH / Cochrane — Educational range only — not a prescription. A licensed clinician individualizes product, dose, and duration.

Pregnancy, nursing, children

Pregnancy. Culinary spice is food-like; high-dose curcumin extracts lack adequate pregnancy data.
Nursing. Culinary spice is food-like; high-dose extracts lack adequate lactation data.
Children. Culinary spice is food; extracts are not automatically pediatric.

Contraindications

bile-duct obstruction (choleretic extracts)
unexplained jaundice on an extract
known Curcuma allergy

Key interactions

anticoagulants / antiplatelets · caution
Bleeding-signal reports at extract doses.
CYP / UGT / P-gp substrates (especially with piperine) · caution
Piperine is a documented bioavailability enhancer for many drugs.
chemotherapy and hepatotoxic drugs · caution
Do not add high-dose extracts during active hepatotoxic regimens without oncology/hepatology input.

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