Turmeric: Clinical Evidence & Substantiation Summary

Clinical Trials
91
Strongest Evidence
Inflammatory Response
Typical Dosage
500–2,000 mg/day
Common Forms
Ground turmeric root

What Is Turmeric?

Turmeric (Curcuma longa) is a golden spice containing curcumin and over 200 other bioactive compounds. While curcumin gets the most attention, whole turmeric provides additional turmerones and polysaccharides with distinct biological effects.

Mechanism of action: Beyond curcumin's NF-κB and COX-2 inhibition, turmeric's essential oils (ar-turmerone) enhance curcumin bioavailability and have independent anti-inflammatory and neuroprotective effects. Turmeric polysaccharides stimulate immune cell activity.

Clinical Evidence Summary

Below are 5 key clinical studies on Turmeric. Nutra Comp analyses 91+ studies in its full clinical evidence report.

Meta-analysis2019PMID: 31249528

Turmeric for joint inflammation: meta-analysis

Population: 8 RCTs

Key finding: Turmeric extracts significantly reduced pain and improved function in osteoarthritis (p<0.001).

Systematic review2015PMID: 25688926

Turmeric and digestive health

Population: 7 RCTs

Key finding: Turmeric supplementation improved digestive comfort and reduced IBS symptom severity scores.

Meta-analysis2021PMID: 33992294

Turmeric and antioxidant status

Population: 10 RCTs

Key finding: Turmeric supplementation significantly increased SOD activity and reduced MDA levels (p<0.01).

Meta-analysis2017PMID: 29065496

Turmeric for metabolic syndrome parameters

Population: 15 RCTs

Key finding: Turmeric reduced triglycerides and fasting glucose in metabolic syndrome populations.

Turmeric supplementation and liver health

Population: 65 adults with NAFLD

Key finding: 1,500 mg/day turmeric for 12 weeks significantly reduced liver enzymes ALT and AST (p<0.05).

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 a healthy inflammatory response
Category: Inflammation · Confidence: 9/10
7
Supports digestive comfort
Category: Digestive · Confidence: 7/10
8
Provides antioxidant support
Category: Antioxidant · Confidence: 8/10

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Related Ingredients

Curcumin
78 studies · Inflammatory Response
Ginger
78 studies · Digestive Health
Boswellia
27 studies · Joint Health

Key Terms

Meta-AnalysisBioavailabilityStandardised Extract

Frequently Asked Questions

Is turmeric the same as curcumin?

No. Turmeric is the whole spice; curcumin is one of its active compounds (3–5% of turmeric by weight). Turmeric contains additional bioactives like turmerones that have distinct health effects.

What are the most studied benefits?

Joint comfort, anti-inflammatory support, digestive health, and antioxidant protection.

What dosage is used?

500–2,000 mg/day of turmeric extract. Bioavailability is enhanced by piperine, fat co-ingestion, or phytosome formulations.

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