Apr 5, 2026Nutrition

Olive Leaf Extract and Potassium: What This BP Trial Proved

A 2026 olive leaf extract and potassium trial cut home systolic blood pressure by 5.4 mmHg—but its null office result leaves a major question.

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Mar 30, 2026Nutrition

Potassium Salt Substitutes: Lower Blood Pressure Safely?

Potassium salt substitutes lowered blood pressure in 23 RCTs and cut strokes in one major trial. Who benefits, and who should avoid them?

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Mar 30, 2026Cardiovascular Health

Blood Pressure Apps: Useful Tools, Unproven Treatment

Do blood pressure apps work? Trials find small systolic drops, but clinician support rather than software alone may explain the benefit and limit long-term value.

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Mar 29, 2026Nutrition

Aged Black Garlic With Blood Pressure Drugs: Does It Help?

A triple-blind trial tested aged black garlic alongside blood pressure medication. The result was small, and key questions remain unanswered.

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Mar 29, 2026Cardiovascular Health

Can Four Health Texts Lower Blood Pressure? PUSHME Says No

The PUSHME trial tested four weekly health texts in 401 people with hypertension. Blood pressure did not improve overall—here's what did.

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Mar 29, 2026Nutrition

Quercetin for Blood Pressure: A Small Effect, Many Limits

Does quercetin help heart health? Trials point to a roughly 2 mmHg systolic blood-pressure drop, while lipid, glucose, and inflammation claims fall flat.

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Mar 29, 2026Nutrition

Probiotics for Childhood Hypertension: First Trial Falls Short

The first pediatric probiotic trial found a 1.8 mmHg systolic BP difference. Why that result does not justify probiotics for childhood hypertension yet.

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Mar 29, 2026Nutrition

Grape Pomace for Blood Pressure: Plausible, Not Proven

Can grape pomace polyphenols and L-arginine lower blood pressure? The mechanism is plausible, but the only trial omits the numbers needed to judge it.

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Mar 29, 2026Nutrition

Beetroot Juice for Blood Pressure: Why More May Fail

Beetroot juice may modestly lower blood pressure, but a small trial found lower doses beat high doses. Here is what the evidence supports.

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Mar 29, 2026Nutrition

Edible Algae and Blood Pressure: Why Species Matters

Can algae lower blood pressure? Evidence favors chlorella over spirulina, while nori and kelp remain plausible but untested in targeted hypertension trials.

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Mar 27, 2026Nutrition

Can Gut-Derived SCFAs Help Lower Blood Pressure?

Prebiotic fiber may lower blood pressure in people with hypertension through gut-derived SCFAs, but the human trial evidence remains small.

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Mar 26, 2026Nutrition

DASH Lowers Average Blood Pressure, Not BP Variability

DASH reliably lowers average blood pressure, but trial reanalysis found no reduction in blood pressure variability. What that means for heart health.

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