Turmeric is the golden-yellow root that gives curry its color, and its main compound, curcumin, is one of the most studied botanicals for joint comfort and a healthy inflammation response.
What is turmeric?
Turmeric (Curcuma longa) is a flowering plant in the ginger family, grown across tropical Asia for its underground stem, called a rhizome. Dried and ground, the rhizome becomes the bright golden spice used in curries, teas and golden milk, and it has a long history in traditional wellness practices.
The color and much of the interest come from a group of natural compounds called curcuminoids. The best known of these is curcumin, which is the focus of most of the clinical research on turmeric.
How turmeric may help
Joint comfort. This is where the research is strongest. A 2024 review that pooled 11 earlier meta-analyses concluded that curcumin supplements help ease pain, stiffness and mobility in people with osteoarthritis, and reduce use of rescue pain medication (Phytotherapy Research). An earlier Oxford review of seven randomized trials found less knee pain than placebo, with no serious side effects reported (Onakpoya et al., 2017).
A healthy inflammation response. A 2023 analysis of 66 clinical trials found that turmeric and curcumin supplementation was linked to lower levels of the inflammation markers CRP, TNF-alpha and IL-6 (Cytokine). Results are not uniform, though: a 2019 review in people with chronic inflammatory diseases found no significant drop in several markers (Pharmacological Research).
Antioxidant support. The same 2023 analysis found higher total antioxidant capacity in people taking turmeric or curcumin, which fits curcumin's long-standing reputation as an antioxidant.
Most of these trials were small and short, so researchers still call for larger, longer studies.
Getting the most from turmeric
Curcumin is not easily absorbed on its own, so how you take it matters. A classic 1998 study found that adding 20 mg of piperine, the active compound in black pepper, to a 2 g dose of curcumin raised its bioavailability by about 2,000% (Planta Medica). A 2025 independent study in nine healthy men did not find the same boost and showed that blood levels of free curcumin stay low across formulations (iScience). In short, absorption is real but unsettled, and the formulation can make a difference.
- In the kitchen: pair turmeric with black pepper and a little healthy fat, as many traditional recipes do.
- In supplements: look for standardized curcuminoid content, third-party testing, and clear labeling of any added black pepper extract.
- Be patient: the joint studies generally ran for weeks to months, not days.
Who should be careful
Turmeric in food is considered safe for most people. Concentrated supplements deserve more care. Health agencies, including Australia's Therapeutic Goods Administration and the NIH's LiverTox database, have documented rare cases of liver injury linked to turmeric and curcumin supplements, possibly more often with higher doses or enhanced-absorption products (TGA, LiverTox).
Talk with a healthcare provider before using turmeric supplements if you have liver or gallbladder problems, take prescription medications, drink alcohol regularly, or are pregnant or nursing. Stop and seek care if you notice yellowing of the skin or eyes, dark urine, or abdominal pain.
The bottom line
Turmeric is a time-tested botanical with good clinical support for joint comfort, promising but mixed results for inflammation markers, and a rare safety signal at supplement doses. Used thoughtfully, in food or as a quality supplement, it can be a worthwhile part of a wellness routine.
This article is for education only and is not medical advice.
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References
- Curcumin and osteoarthritis: meta-analysis of meta-analyses (2024)
- Onakpoya et al., curcuminoids for knee osteoarthritis (2017)
- Dehzad et al., antioxidant and anti-inflammatory effects (2023)
- Turmeric and curcumin on inflammatory markers in chronic disease (2019)
- Piperine and curcumin pharmacokinetics (1998)
- Curcumin formulation pharmacokinetics, iScience (2025)
- NIH LiverTox: Turmeric
- Australian TGA safety alert (2023)
Disclaimer: Always consult with a healthcare professional before starting a new supplement, especially if you have underlying health conditions or are taking medication. †These statements have not been evaluated by The Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Information and statements made are for educational purposes and are not intended to replace the advice of your general practitioner. If you have a severe medical condition or health concern, see your physician