Apr 6, 2026Nutrition

Beetroot Juice for Sprint Power: What the Evidence Shows

Can beetroot juice improve sprint power? Meta-analysis finds a small, selective benefit, while isotonic drinks remain an open question.

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Apr 5, 2026Nutrition

Barberry Powder for Blood Pressure: What One RCT Found

Barberry powder lowered systolic blood pressure alongside medication in one small RCT. Learn what the result means, what it cannot prove, and key safety gaps.

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Mar 30, 2026Nutrition

Beetroot and Post-Workout HRV After Menopause: What We Know

Can beetroot nitrate improve post-exercise HRV after menopause? Two small trials offer a signal, but hypertension and study limits temper it.

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Mar 29, 2026Nutrition

Taxifolin and Blood Pressure: Strong Rat Data, No Human Proof

Taxifolin relaxed rat arteries through calcium-channel and endothelial pathways, but absent human trials and poor bioavailability limit its blood-pressure promise.

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Mar 29, 2026Nutrition

L-Arginine and Traffic Pollution: A Targeted BP Signal

Can L-arginine blunt traffic pollution's blood-pressure effects? One RCT in adults with elevated BP says yes; exercise studies temper the hype for now.

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Mar 29, 2026Nutrition

L-Arginine for Pre-Eclampsia: Timing Changes the Evidence

L-arginine may reduce pre-eclampsia risk before onset, but treatment data are modest. What a 2025 meta-analysis means for high-risk pregnancy.

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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

Beetroot Juice Helps FMD, Not Strength, in AAS Users

A small crossover trial found beetroot juice improved endothelial function in AAS-using bodybuilders, but left blood pressure and strength unchanged.

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Mar 28, 2026Physical Activity

Can Passive Stretching and Vibration Improve Exercise Recovery?

Passive calf stretching before cardio preserved a vascular marker in one small trial; 15-Hz vibration may support post-exercise autonomic recovery.

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Mar 15, 2026Nutrition

Dietary Nitrate Improves Vascular Markers—Not Proven CVD Prevention

Beetroot juice and leafy greens can improve flow-mediated dilation and arterial stiffness, but trials have not shown fewer heart attacks or strokes.

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Mar 15, 2026Physical Activity

Circuit Resistance Training May Lower Blood Pressure After 60

A 2025 review of circuit-based resistance training found lower blood pressure and arterial stiffness in older adults. Here is what the trials can and cannot prove.

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