Blood Pressure Support

Nutrients connected to Blood Pressure Support

A link means the body needs the nutrient for this, or that low intake is linked to it. It does not mean extra supplements help if your intake is already adequate; each link shows how strong the evidence is.

• PotassiumPreliminary or mixed

  A potassium-rich diet can help offset sodium's effect on blood pressure. We did not read trial data on potassium pills.

• TaurinePreliminary or mixed

  Two meta-analyses report average systolic drops of about 4 to 5 mmHg with taurine supplements, mostly in people with existing conditions. Results across trials were not uniform.

• Arginine and citrullinePreliminary or mixed

  Arginine lowered blood pressure by a few points on average in a meta-analysis of 22 trials, and citrulline with watermelon did so in another. Evidence is promising but limited and does not replace medical care.

• Grape seed extract and pine bark extract (oligomeric proanthocyanidins, OPC)Preliminary or mixed

  Two grape seed meta-analyses found small drops, but they differed on systolic pressure and trials varied widely; pine bark reviews found no benefit.

• Caffeine supplementsDocumented risk

  MedlinePlus says caffeine increases blood pressure, and people with high blood pressure are advised to ask a health professional about limiting it.

• HibiscusPreliminary or mixed

  Reviews of trials report lower blood pressure than placebo, but results vary widely and a strict Cochrane review judged the evidence insufficient.

• Black seedPreliminary or mixed

  Pooled trials found average blood pressure falls of about 3 mmHg (systolic) and 3 mmHg (diastolic), but results varied a lot between trials and one database calls the evidence conflicting. Not a replacement for blood pressure treatment.

• Olive leafPreliminary or mixed

  Some trials of olive leaf extract found lower blood pressure, but pooled reviews call the evidence limited. It does not replace prescribed medicine.

• Polyphenols: quercetin and resveratrolPreliminary or mixed

  Quercetin supplements lowered systolic blood pressure by about 2 to 3 mm Hg in pooled trials; certainty was very low to moderate and the health value is unknown.

• Green tea extract and EGCGPreliminary or mixed

  A Cochrane review found green tea lowered blood pressure in a few trials, but results were not stable. Extract can also raise blood pressure as a side effect.

• GarlicPreliminary or mixed

  NCCIH says limited evidence suggests a small drop in blood pressure in people with high blood pressure.

• Lemon verbenaPreliminary or mixed

  A meta-analysis of 11 small trials found lower average blood pressure with the extract. Larger, longer trials are needed.

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