Skip to main content
Evidence-Based Supplement Research
Evidence-Based Supplement Research
Pillser
Search
Sign UpLog In

Turmeric

What does the research say about Turmeric?

16 health outcomes synthesised

Research on turmeric (primarily its active compound curcumin) spans 16 health outcomes, with the strongest evidence supporting reductions in triglyceride levels (5 of 6 studies beneficial) and fasting blood glucose (5 of 5 studies beneficial). Moderate evidence also supports pain reduction at doses of 170–1200 mg/day, particularly for osteoarthritis and chronic pain conditions.

Strongest evidence: High-strength evidence supports turmeric for reducing triglyceride levels (5 of 6 studies, small effect) and fasting blood glucose (5 of 5 studies, mixed effect size). Moderate-strength evidence shows turmeric reduces pain (8 of 11 studies, moderate effect, dose range 170–1200 mg/day), C-reactive protein (4 of 5 studies, moderate-to-large effect), and body mass index (4 of 6 studies, small effect, population-specific). Moderate evidence also supports reductions in total cholesterol (3 of 4 studies, small effect), pro-inflammatory cytokines (3 of 4 studies, moderate-to-large effect), and improved quality of life (4 of 4 studies, moderate effect).

Mixed or weaker evidence: Low-strength evidence leaves uncertainty for HDL cholesterol increases (2 of 4 studies beneficial, small-to-moderate effect), interleukin-6 reduction (2 of 4 studies, moderate effect), and hemoglobin A1c reduction (3 of 4 studies, mixed effect size, 1500 mg/day dose in one RCT). Evidence for reduced inflammatory markers in exercising adults (4 of 4 studies, small effect) is also low strength due to small sample sizes and lack of dose reporting.

Effective dose patterns: The most consistent dose range across multiple outcomes is 1500 mg/day of curcumin, observed in studies of hemoglobin A1c, pro-inflammatory cytokines, and body mass index. For pain, effective doses range from 170 mg/day to 600 mg twice daily. Most studies did not report specific doses, limiting dose-response conclusions.

Population insights: Effects are most consistently observed in clinical populations—adults with type 2 diabetes, metabolic syndrome, osteoarthritis, and inflammatory conditions. For triglycerides and fasting glucose, benefits were strongest in those with elevated baseline levels. For BMI, benefits appeared population-specific, with significant effects in type 2 diabetes and severe obesity but not in nonalcoholic fatty liver disease.

Notable caveats: Publication bias is a major concern across several outcomes—null-result studies are less likely to be published or indexed, potentially overestimating benefits. Many studies did not report specific dose, form (turmeric extract vs. curcumin), or duration, limiting practical conclusions. Evidence bases are small (often 4–6 studies), and individual trial quality is often moderate to low. Two neutral RCTs in pain suggest benefits may not be consistent across all pain types or populations.

Frequently asked

  • What is turmeric good for according to research?
    Research shows turmeric (curcumin) may help reduce triglycerides (5 of 6 studies beneficial), fasting blood glucose (5 of 5 studies), and pain (8 of 11 studies, moderate effect). Moderate evidence also supports reductions in C-reactive protein, body mass index, total cholesterol, and pro-inflammatory cytokines, as well as improved quality of life in clinical populations.
  • What dose of turmeric is typically used in studies?
    The most studied dose is 1500 mg/day of curcumin, used in a 12-month RCT for hemoglobin A1c and pro-inflammatory cytokines. For pain, doses range from 170 mg/day to 600 mg twice daily. However, many studies did not report specific doses, and formulations varied (turmeric extract vs. curcumin), so no single optimal dose is established.
  • Who benefits most from turmeric?
    Beneficial effects are most consistently seen in clinical populations with metabolic conditions (type 2 diabetes, metabolic syndrome), inflammatory disorders (rheumatoid arthritis, osteoarthritis), and chronic pain. For triglycerides and fasting glucose, benefits were strongest in those with elevated baseline levels. Effects in healthy adults or athletes are less studied and often neutral.
  • Are there caveats or limitations in the research on turmeric?
    Yes. Publication bias is a major concern—positive results are more likely to be published. Many studies did not report specific doses, forms, or durations, making dose-response conclusions difficult. Evidence bases are small (often 4–6 studies), and some outcomes have moderate-to-low quality ratings due to small sample sizes or heterogeneity.
  • Does turmeric help with pain?
    Moderate evidence supports turmeric for pain reduction, with 8 of 11 studies showing beneficial effects, predominantly of moderate size. Effects were observed at 8–12 weeks in conditions like knee osteoarthritis, chronic lower back pain, and rheumatoid arthritis. Doses ranged from 170 mg/day to 600 mg twice daily, though 3 neutral studies suggest benefits may not be consistent across all pain types.
  • Does turmeric improve blood sugar control?
    High-strength evidence from 5 studies shows turmeric consistently reduces fasting blood glucose, with reductions of 6.30 to 19.64 mg/dL. Low-strength evidence from 4 studies suggests it may also reduce hemoglobin A1c (3 of 4 studies beneficial), with one 12-month RCT using 1500 mg/day in adults with type 2 diabetes. However, evidence is preliminary and limited by small sample sizes.

Safety profile

22 studies reporting safety data

Across 22 clinical studies on turmeric, no specific adverse events were found to be significantly increased. In 6 analyses (e.g., creatinine, blood pressure, overall tolerability), there were no significant differences compared to control interventions. Additionally, 23 reports described turmeric as generally well tolerated, with no serious adverse events flagged and only minor, transient side effects (e.g., gastrointestinal discomfort) noted in isolated cases.

Caveats: Evidence is largely derived from short-term studies (most ≤8 weeks) that were typically powered for efficacy rather than safety, so rare or long-term adverse events may not be captured. Most studies involved healthy adults or specific patient populations; safety in pregnant women, children, or those with certain comorbidities remains uncharacterized. Findings reflect specific formulations used in trials, and other products (e.g., different extracts or doses) may differ in tolerability.

Most-studied combinations with Turmeric

most supplement research is combination research
Also studied with:Ginger (3), Aloe Vera (2), Black Cumin (4), Boswellia (3), Mastic (2), Myrrh (2), Anise (2), Ginkgo (2), Resveratrol (5), Fenugreek (2), Red Grape (2), Blood Orange (3)

  • Turmeric Curcumin with BioPerine

    By Amazing Nutrition

    4.7 (185 reviews)
    In Stock
    Available From
    Available From
    MerchantPriceStockAction
    Amazon
    $15.99
    		In
    iHerb
    $16.49
    		In
    Vitacost
    $-
    		Out
    Vitamin Shoppe
    $-
    		Out

  • Full Spectrum Turmeric

    By Swanson

    4.8 (3.2K reviews)
    Out of Stock
    Available From
    Available From
    MerchantPriceStockAction
    Amazon
    $-
    		Out
    iHerb
    $10.29
    		In
    Vitacost
    $-
    		Out
    Vitamin Shoppe
    $-
    		Out

  • Organic Turmeric Curcumin

    By NatureWise

    4.8 (9.4K reviews)
    Out of Stock
    Available From
    Available From
    MerchantPriceStockAction
    Amazon
    $-
    		Out
    iHerb
    $26.60
    		In
    Vitacost
    $-
    		Out
    Vitamin Shoppe
    $-
    		Out

  • Turmeric Root Power

    By Life Enhancement

    4.7 (251 reviews)
    Out of Stock
    Available From
    Available From
    MerchantPriceStockAction
    Amazon
    $-
    		Out
    iHerb
    $29.06
    		In
    Vitacost
    $-
    		Out
    Vitamin Shoppe
    $-
    		Out

  • Turmeric Curcumin

    By Best Naturals

    4.7 (110 reviews)
    In Stock
    Available From
    Available From
    MerchantPriceStockAction
    Amazon
    $9.99
    		In
    iHerb
    $15.05
    		In
    Vitacost
    $-
    		Out
    Vitamin Shoppe
    $-
    		Out

  • Turmeric Ginger Joint Ease

    By Nature's Life

    4.5 (90 reviews)
    In Stock
    Available From
    Available From
    MerchantPriceStockAction
    Amazon
    $-
    		Out
    iHerb
    $24.99
    		In
    Vitacost
    $22.60
    		In
    Vitamin Shoppe
    $-
    		Out
Back to top