Written based on 20 research studies on PubMed, searched on 2026. nov. 11..
The claim
Posts online say that curcumin (turmeric) helps with high blood pressure.
Where research stands
We found 50 published papers on curcumin (turmeric) and high blood pressure. They were published between 2006 and 2026. 4 of them are studies in people. 4 of them compared people who got it with a group that did not. 36 were studies in animals, and none was only in cells in the lab. 6 papers are reviews that sum up other studies. 1 research project on curcumin (turmeric) for high blood pressure is funded and still running.
- 4In people4 with a comparison group
- 36In animals
- 0Only in the lab
What the studies found
We have not summed up these studies in words yet. The most important papers are listed under Sources.
Verdict
Curcumin (turmeric) has been tested in randomised trials in people with high blood pressure.
What this means for you: A study in people is not proof that it helps you. Do not stop or change your medicines because of it. Ask your doctor before you start taking it.
Sources
- A minor metabolite from Curcuma longa effective against metabolic syndrome: results from a randomized, double-blind, placebo-controlled clinical study.2023 · Food Funct · Randomised trial
- Effects of curcumin and/or coenzyme Q10 supplementation on metabolic control in subjects with metabolic syndrome: a randomized clinical trial.2022 · Nutr J · Randomised trial
- Hot Water Extract of Curcuma longa L. Improves Serum Inflammatory Markers and General Health in Subjects with Overweight or Prehypertension/Mild Hypertension: A Randomized, Double-Blind, Placebo-Controlled Trial.2019 · Nutrients · Randomised trial
- Oral supplementation of turmeric decreases proteinuria, hematuria, and systolic blood pressure in patients suffering from relapsing or refractory lupus nephritis: a randomized and placebo-controlled study.2012 · J Ren Nutr · Randomised trial
- Antihypertensive Effects of Curcumin/Turmeric Supplementation in Prediabetes and Diabetes: A Systematic Review and Meta-Analysis of Randomised Controlled Trials.2026 · Endocrinol Diabetes Metab · Review
- Effect of resveratrol and curcumin and the potential synergism on hypertension: A mini-review of human and animal model studies.2024 · Phytother Res · Review
- Effects of curcumin on blood pressure: A systematic review and dose-response meta-analysis.2023 · Nutr Metab Cardiovasc Dis · Review
- Role of curcumin in ameliorating hypertension and associated conditions: a mechanistic insight.2022 · Mol Cell Biochem · Review
- Benefits of Curcumin in the Vasculature: A Therapeutic Candidate for Vascular Remodeling in Arterial Hypertension and Pulmonary Arterial Hypertension?2022 · Front Physiol · Review
- The effect of Curcumin/Turmeric on blood pressure modulation: A systematic review and meta-analysis.2019 · Pharmacol Res · Review
- Curcumin attenuates NMDA Receptor Phosphorylation on Glutamatergic Terminals and Lowers Blood Pressure in Obese Postmenopausal Mice.2026 · J Nutr · In animals
- Curcumin analogue C66 attenuates hypertensive nephropathy by inhibiting JNK-mediated inflammation.2026 · Int Immunopharmacol · In animals
- Curcuminoids-enriched standardized extract of Haridra (Curcuma longa) rhizome restored the level of dehydroepiandrosterone (DHEA) and hemodynamics in a rodent model of hypertension.2026 · Fitoterapia · In animals
- Neutrophil-mediated delivery of curcumin-loaded manganese-doped zeolitic imidazolate framework-8 nanozymes for pulmonary arterial hypertension.2026 · J Nanobiotechnology · In animals
- Curcumin-Loaded Tetrahedral Framework Nucleic Acids Alleviate Pulmonary Hypertension by Regulating Multiple Synergistic Signaling Pathways.2026 · Adv Healthc Mater · In animals
- Protective Effects of Isolated Curcumin From Curcuma longa on Key Enzymes Involved in the Insulin Signaling Pathway and Digestive and Metabolic Enzymes Associated With Obesity, Type 2 Diabetes, and Hypertension.2025 · J Diabetes Res · In animals
- The protective effects of curcumin on metabolic syndrome and its components: In-silico analysis for genes, transcription factors, and microRNAs involved.2022 · Arch Biochem Biophys · Other paper
- Protective Effects of Curcumin on Pulmonary Arterial Hypertension.2021 · Adv Exp Med Biol · Other paper
- Evaluation of Effect of Curcumin on Psychological State of Patients with Pulmonary Hypertension by Magnetic Resonance Image under Deep Learning.2021 · Contrast Media Mol Imaging · Other paper
- Role of curcumin in idiopathic pulmonary arterial hypertension treatment: a new therapeutic possibility.2013 · Med Hypotheses · Other paper
