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?

11 health outcomes synthesised

Turmeric (Curcuma longa) has been studied across 11 health outcomes, with the strongest evidence supporting its effects on reducing triglyceride levels (5 papers) and fasting blood glucose (4 papers). The research primarily focuses on adults with metabolic conditions such as type 2 diabetes, hyperglycemia, and metabolic syndrome, though doses and forms are inconsistently reported across studies.

Strongest evidence: High-confidence evidence from meta-analyses shows turmeric/curcumin reduces triglyceride levels (4 of 5 studies beneficial, small effect size) and fasting blood glucose (4 of 4 studies beneficial, moderate effect size). Moderate-strength evidence supports benefits for pain reduction (3 of 4 studies), C-reactive protein (3 of 4), quality of life (4 of 4), and hemoglobin A1c (3 of 3). Effective doses are rarely specified, but where reported, ranges include 300 mg to 2 g daily (e.g., for IL-6 reduction) and 1500 mg/day for HbA1c over 12 months.

Mixed or weaker evidence: Low-strength evidence exists for increasing HDL cholesterol (2 of 4 studies beneficial, small effect), reducing pro-inflammatory cytokines (2 of 3), interleukin-6 (2 of 3), LDL cholesterol (2 of 3), and total cholesterol (2 of 3). These outcomes have smaller study bases and less consistent effect sizes, often with neutral results from higher-quality trials.

Effective dose patterns: While many syntheses lack dose-specific conclusions, several outcomes converge on a range of 300–2000 mg daily for 6–12 weeks, particularly for inflammatory markers (IL-6) and metabolic parameters (HbA1c at 1500 mg/day). Doses were poorly reported overall, limiting precise recommendations.

Population insights: The most studied populations are adults with metabolic conditions (type 2 diabetes, metabolic syndrome, obesity) and chronic inflammatory states (rheumatoid arthritis, chronic lower back pain). Benefits appear more robust in these clinical groups; one study in athletes found no significant effect on IL-6, suggesting population-specific responses.

Notable caveats: The available research is subject to publication bias (null results less likely published). Many studies combine turmeric with other agents, making it difficult to isolate effects. The evidence base is small (3–5 papers per outcome), and effect sizes in high-strength syntheses are typically small to moderate, not dramatic.

Frequently asked

  • What is turmeric good for according to research?
    Research suggests turmeric (curcumin) may help reduce triglycerides, fasting blood glucose, and hemoglobin A1c, with high- to moderate-quality evidence. Moderate evidence also supports benefits for pain, C-reactive protein, and quality of life. However, evidence for cholesterol, cytokine, and interleukin-6 outcomes is weaker and mixed.
  • What dose of turmeric is typically used in studies?
    Doses varied widely across studies. For example, a 12-month RCT used 1500 mg/day for HbA1c reduction, and studies on interleukin-6 used 300 mg to 2 g daily. Many syntheses noted that doses and forms were poorly reported, so no single effective dose can be generalized.
  • Who benefits most from turmeric?
    The strongest evidence comes from adults with metabolic conditions such as type 2 diabetes, hyperglycemia, metabolic syndrome, and obesity. Benefits also appear in populations with chronic inflammatory diseases (e.g., rheumatoid arthritis, chronic lower back pain). One study in athletes showed no effect, suggesting benefits may be limited to populations with existing metabolic or inflammatory issues.
  • Does turmeric help with pain?
    Moderate-strength evidence from 4 studies shows 3 reported beneficial effects on pain reduction, with effect sizes ranging from small to large. Conditions studied include recurrent aphthous stomatitis, rheumatoid arthritis, chronic lower back pain, and chronic pain. However, one study found no additional benefit when curcumin was added to NSAIDs.
  • Are there caveats or limitations in the research on turmeric?
    Yes. Publication bias is a concern—null-result studies are less likely to be published. Most syntheses have small evidence bases (3–5 studies), and conclusions should be considered preliminary. Doses and forms are inconsistently reported, and some studies used multi-ingredient formulations, making it difficult to isolate turmeric's effects.
  • What is the most researched outcome for turmeric?
    Reduced triglyceride levels is the most studied outcome (5 papers), with high-confidence evidence showing small beneficial effects in adults with metabolic conditions. Fasting blood glucose (4 papers) also has high-strength evidence, with moderate effect sizes.

Safety profile

10 studies reporting safety data

Across 10 clinical studies reporting safety data on turmeric, no adverse events were found to be increased compared to control. In 6 instances, specific safety markers (including blood pressure, creatinine, body mass index, and blood urea nitrogen) were tested and showed no significant differences from placebo or control. The overall tolerability of turmeric was described as favorable in 10 reports, with adverse event rates comparable to placebo (e.g., risk ratio 1.02, 95% CI 0.94–1.10). No serious adverse events were flagged in any of the included studies.

Caveats: Most studies were short-term and not primarily designed to assess safety, so rare or long-term adverse events may not be captured. Evidence is largely based on healthy adult populations, and safety in pregnant women, children, or individuals with specific health conditions remains uncharacterized.

Most-studied combinations with Turmeric

most supplement research is combination research
Also studied with:Aloe Vera (2), Black Cumin (2), Boswellia (2), Ginkgo (2), Resveratrol (4), Vitamin A (2)

  • 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