Does turmeric help with cholesterol? What the research does and doesn't show

An umbrella review pooling 19 previously published meta-analyses found curcumin supplements moved every standard cholesterol marker in a favorable direction across trials in adults. But the underlying studies varied widely in dose, disagreed with each other more than a clean effect would predict, and the review doesn't identify a single dose behind the finding.

What the evidence doesn't support

It doesn't support turmeric or curcumin as a treatment for high cholesterol, and it doesn't support any turmeric product as one where a known dose moves a specific number by a specific, reliable amount. It doesn't support turmeric root powder at a culinary amount either — every trial behind the review below used a concentrated curcumin supplement.

What the trials found

A 2022 umbrella meta-analysis in Nutrition, Metabolism and Cardiovascular Diseases screened 101 articles and pooled 19 qualifying meta-analyses of curcumin trials in adults. It found curcumin supplementation reduced total cholesterol, reduced triglycerides and reduced LDL cholesterol, and separately increased HDL cholesterol, each versus placebo. The review didn't specify one dose behind these numbers — it combined meta-analyses that themselves pooled trials at varying doses — and heterogeneity between the underlying studies was high (as much as 98% for the HDL finding), meaning individual trials disagreed with each other substantially. The authors described curcumin as a candidate adjuvant for high cholesterol, not a replacement for standard care.

A narrower 2021 meta-analysis, focused on adults already diagnosed with type 2 diabetes, found curcumin extract significantly lowered LDL cholesterol, alongside HbA1c and a marker of insulin resistance — though it did not significantly change fasting blood glucose itself. That trial population was defined by a diabetes diagnosis, not by high cholesterol on its own, and its LDL finding shouldn't be read as describing what would happen in someone without diabetes.

Neither review names one turmeric or curcumin product as more effective than another for cholesterol, and neither tested turmeric powder at the amount used in cooking.

Questions people ask

Does turmeric lower cholesterol?

Trials pooled across two reviews found a favorable direction on the markers doctors usually check — LDL, HDL, total cholesterol and triglycerides — but with high variability between individual trials and no single dose the evidence points to. That's a research signal, not a personal guarantee, and it isn't a substitute for medical guidance on cholesterol.

How much turmeric should I take for cholesterol?

Neither review reports one dose to recommend, so there's no cholesterol-specific number backed by this evidence to print here. How much turmeric should you take a day covers what doses the trials behind other outcomes used.

Is turmeric powder or curcumin extract better for cholesterol?

The trials behind both reviews above used concentrated curcumin supplements, not turmeric root powder at a culinary amount. Neither review compared the two forms directly for cholesterol.

When to talk to a doctor

Doctors typically address high cholesterol with diet, exercise and, when it's needed, prescription medication, based on a person's individual risk profile. Turmeric is not a treatment for high cholesterol. If you take cholesterol-lowering medication, or have been told your cholesterol needs monitoring, talk to a doctor before adding turmeric or curcumin, and don't change or stop a prescribed medication because of a supplement.

Related reading: turmeric benefits: what the research does and doesn't show, does turmeric help with diabetes, and how much turmeric should you take a day.