What the reviews found
Supplements for Blood Pressure
24 where systematic reviews concluded a benefit, 2 with mixed findings, 7 where they concluded no effect. Every line quotes the review and links it, so you can read the sentence yourself.
Reviews found a benefit
Systematic reviews concluded these improve an outcome tied to blood pressure, and none concluded no effect.
- 2 reviews citedTop-scored productNootropics Depot Taurine Capsules93Benefitblood pressure
“Supplementation also improved blood pressure and exercise capacity, though no significant effects on neurocognition were observed.” PMID 41803812
Benefitblood pressure(as Taurine 98%)“Taurine ingestion reduced SBP (Hedges' g = - 0.70, 95% CI - 0.98 to - 0.41, P < 0.0001) and DBP (Hedges' g = - 0.62, 95% CI - 0.91 to - 0.34, P < 0.0001).” PMID 30006901
- 4 reviews citedTop-scored productNOW Foods Ginger Root89Benefitblood pressure
“Our findings revealed that ginger supplementation has favorable effects on BP.” PMID 30972845 · 4 reviews
- Cinnamon3 reviews citedBenefitblood pressure
“Cinnamon supplementation resulted in significant reduction in SBP (Weighted Mean Differences (WMD): -6.23 mmHg, 95% CI: -10.69 to -1.77, P = 0.006) and DBP (WMD: -3.93 mmHg, 95% CI: -6.33 to -1.52, P = 0.001).” PMID 31617744 · 3 reviews
- Lignans3 reviews citedBenefitblood pressure
“This meta-analysis of RCTs showed significant reductions in both SBP and DBP following supplementation with various flaxseed products.” PMID 26071633 · 3 reviews
- Watermelon3 reviews citedBenefitblood pressure
“l-citrulline supplementation and watermelon intake overall lowered BP in middle-aged and elderly individuals.” PMID 40789388 · 3 reviews
- 2 reviews citedTop-scored productThorne Grape Seed Extract92Benefitdiastolic blood pressure
“GSE supplementation significantly reduced DBP (WMD: -2.20 mmHg, 95% CI: -3.79 to -0.60, I2 = 88.8%) and HR (WMD: -1.25 bpm, 95% CI: -2.32 to -0.19, I2 = 59.5%) but had no significant effects on FMD” PMID 34798267
- Isoflavones2 reviews citedBenefitblood pressure
“The current meta-analysis revealed that supplementation with soy isoflavones alone effectively reduces blood pressure.” PMID 38454401 · 2 reviews
- 2 reviews citedTop-scored productPure Encapsulations L-Arginine88Benefitblood pressure
“Oral l-arginine supplementation significantly reduces ABP.” PMID 42520885 · 2 reviews
- 1 review citedTop-scored productBulkSupplements Artichoke Extract Capsules92Benefitblood pressure
“Artichoke supplementation may potentially lead to SBP and DBP reduction in hypertensive patients.” PMID 33465383
- Beta-Glucan1 review citedBenefitblood pressure
“Viscous soluble fiber has an overall lowering effect on SBP and DBP.” PMID 29153856
- Chlorogenic Acid1 review citedBenefitblood pressure
“systolic blood pressure (WMD = -0.44; 95% CI: -0.57, -0.32), and diastolic blood pressure (WMD = -0.83; 95% CI: -1.40, -0.26).” PMID 34577880
- 1 review citedTop-scored productThorne Green Tea Phytosome92Benefitblood pressure
“Green tea supplementation is associated with modest reductions in SBP and DBP.” PMID 40497293
- 1 review citedTop-scored productBulkSupplements Gymnema Extract Powder90Benefitdiastolic blood pressure
“GS supplementation significantly decreased triglyceride (p < .001), total cholesterol (p < .001), low-density lipoprotein (p < .001), fasting blood sugar (p < .001), and diastolic blood pressure (p = .003).” PMID 36580574
- Hydroxytyrosol1 review citedBenefitblood pressure
“Several foods, such as green tea extract-fortified rye bread and olive fruit (poly)phenol-fortified yogurt, significantly lowered blood pressure.” PMID 38214689
- 1 review citedTop-scored productPure Encapsulations Lycopene 20 mg91Benefitblood pressure
“The available evidence on the effects of tomato products and lycopene supplementation on CV risk factors supports the view that increasing the intake of these has positive effects on blood lipids, blood pressure and endothelial function.” PMID 28129549
- 1 review citedTop-scored productThorne Magnesium Glycinate96Benefitblood pressure
“Mg supplementation was associated with significant improvements in several CMRFs, including body weight, lipid and glycemic profiles, blood pressure, and interleukin-6 levels.” PMID 42588058
- 1 review citedTop-scored productProHealth Longevity NMN Pro 1000™86Benefitdiastolic blood pressure
“Compared with the placebo, NMN supplementation was associated with a statistically significant but modest reduction in resting DBP (WMD, -2.15 mmHg; 95% CI: -3.68 to -0.61).” PMID 41901064
- Pectin1 review citedBenefitblood pressure
“Viscous soluble fiber has an overall lowering effect on SBP and DBP.” PMID 29153856
- 1 review citedTop-scored productLife Extension Pomegranate Fruit Extract84Benefitblood pressure
“Meta-analysis of 14 clinical trials (n = 573 individuals) demonstrated a reduction in systolic BP (SBP) with pomegranate juice (MD: -5.02 mmHg, 95% CI: -7.55 to -2.48, p < 0.001).” PMID 37461211
- 1 review citedTop-scored productPure Encapsulations Potassium Magnesium (aspartate)86Benefitblood pressure
“Our findings indicate an adequate intake of potassium is desirable to achieve a lower BP level but suggest excessive potassium supplementation should be avoided, particularly in specific subgroups.” PMID 32500831
- 1 review citedTop-scored productThorne Quercetin Phytosome92Benefitsystolic blood pressure
“Quercetin supplementation has reducing effects on SBP and insulin levels but not other cardiometabolic parameters.” PMID 37654199
- 1 review citedTop-scored productPure Encapsulations Resveratrol90Benefitblood pressure
“lower blood pressure among patients with type 2 diabetes” PMID 41987155
- 1 review citedBenefitblood pressure
“Rice bran significantly reduced systolic blood pressure (WMD: -3.336 mmHg; p = 0.0006), diastolic blood pressure (WMD: -3.145 mmHg; p = 0.015), and HbA1c (WMD: -0.199%; p = 0.003).” PMID 41009614
- 1 review citedTop-scored productThorne Vitamin C 1,000 mg90Benefitsystolic blood pressure
“The findings suggest that vitamin C supplementation may reduce SBP by approximately 3.7 mmHg.” PMID 41784995
Mixed: a benefit on one measure, no effect on another
- 3 reviews citedTop-scored productThorne Super EPA92Benefitsystolic blood pressure(as Omega-3)
“systolic blood pressure (MD = -4.50 mmHg, 95% CI: -7.57 to -1.42, p = 0.004)” PMID 42517346
No effectblood pressure(as Docosahexaenoic Acid as TG)“they have no significant effect on BP” PMID 30307737
No effectblood pressure(as Eicosapentaenoic Acid as TG)“they have no significant effect on BP.” PMID 30307737
- Melissa officinalis1 review citedBenefitsystolic blood pressure
“a reduced systolic blood pressure (SBP) (SMD: -0.56; 95% CI: -0.85, -0.27; I2 = 00.0%; k = 3)” PMID 32614129
No effectdiastolic blood pressure“MO intake was not associated with statistically significant changes in triglycerides, low-density lipoprotein, diastolic blood pressure, high sensitivity c-reactive protein levels, fasting blood sugar, HbA1c, insulin or high-density lipoprotein levels.” PMID 32614129
Reviews found no effect
Reviews studied these for an outcome tied to blood pressure and concluded they made no difference.
- 1 review citedNo effectblood pressure(as Beta Hydroxybutyrate)
“acute or prolonged ingestion of ketone supplements does not seem to modulate BP” PMID 38145410
No effectblood pressure“Based on currently available data, acute or prolonged ingestion of ketone supplements does not seem to modulate BP.” PMID 38145410
- 1 review citedTop-scored productNutricost TMG Capsules92No effectblood pressure
“Moreover, our analysis indicated that betaine supplementation did not affect serum concentrations of triglyceride (TG), high-density lipoprotein (HDL), fasting blood glucose (FBG), C-reactive protein (CRP), liver enzymes [alanine aminotransferase (ALT), aspartate aminotransferase (AST), gamma-glutamyl transferase (GGT)], and blood pressure.” PMID 33764214
- Bilberry1 review citedNo effectblood pressure(as Vaccinium myrtillus)
“no significant reduction was observed in SBP (WMD: -2.75 mmHg, 95% CI: -6.38% to 0.89%, p = 0.13) or DBP (WMD: -1.00 mmHg, 95% CI: -4.66% to 2.65%, p = 0.59) after bilberry supplementation” PMID 40751398
- 1 review citedTop-scored productPure Encapsulations Cranberry NS86No effectblood pressure
“Blueberry and/or cranberry supplementation had neutral effects on SBP and DBP in patients with cardiometabolic diseases, regardless of duration or age.” PMID 37963472
- 1 review citedTop-scored productPure Encapsulations Melatonin 3 mg92No effectblood pressure
“No significant effects of melatonin were observed on body weight, waist circumference, body fat percentage, body mass index, fasting insulin, homeostasis model assessment of insulin resistance, hemoglobin A1c, triglycerides, diastolic blood pressure, aspartate aminotransferase, or gamma-glutamyl transferase.” PMID 41515249
- 1 review citedTop-scored productNOW Foods Beta-Sitosterol Plant Sterols79No effectblood pressure
“trivial improvements in triglycerides, apoA-I, apoB/A-I, apoE, Lp(a), FFA, blood pressure, and BMI” PMID 42275989
- 1 review citedTop-scored productNutricost Vitamin E Softgels88No effectdiastolic blood pressure
“However, their effects on glycemic control, diastolic blood pressure, and blood lipids other than HDL were comparable.” PMID 41521729
Not enough to say
Reviews of Anthocyanins, B Complex, Beetroot, Blueberry, Capsicum, Chlorella, L-Citrulline, Moringa, Olive Oil, Pycnogenol, Red Yeast Rice, Steviol Glycosides could not conclude either way on blood pressure.
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How this page is built
Each finding is the conclusion a set of systematic reviews reached on one outcome — whether an ingredient helped, made no difference, or could not be judged — with a sentence quoted from one review, checked to appear in its PubMed abstract. It records the direction, not the size, of an effect. Reviews run in populations such as people with cancer, pregnancy, surgery or children are left out, because applying them to a general reader would mislead. Evidence last refreshed September 2026. Abstracts courtesy of the U.S. National Library of Medicine (PubMed). The full report explains how the conclusions were read and checked.
Other goals
Educational only. A review finding a benefit on average does not mean a supplement will help you, or that it is safe alongside your medication. If you are treated for blood pressure, talk to your clinician before adding anything.