StackTerminal.Health

BETA

L-Arginine

L-Arginine is a semi-essential amino acid that serves as a precursor to nitric oxide, supporting vascular function, blood flow, & exercise performance, particularly beneficial for cardiovascular health & endurance athletes.

nitric-oxidecardiovascularperformanceendurance
Evidence last reviewed: 05 Apr 2026
Biomarkers studied
Outcomes directly measured across the evidence records below
Cardiovascular
Blood Pressure
Evidence
4 records
endurance exercise performance
general populationSystematic review and meta-analysis
PUBMEDModerate

L-Arginine supplementation may enhance endurance exercise performance by increasing nitric oxide bioavailability.

Dose: 6000 mg
erectile dysfunction
men with erectile dysfunctionSystematic review and meta-analysis
PUBMEDModerate

L-Arginine supplementation showed potential benefits in improving erectile function.

Dose: 6000 mg
blood pressure
women with hypertensive disorders of pregnancySystematic review
PUBMEDModerate

L-Arginine supplementation reduced blood pressure & the need for antihypertensive drugs.

Dose: 6000 mg
maternal & fetal outcomes
pregnant womenSystematic review
PUBMEDModerate

L-Arginine supplementation improved fetoplacental circulation & birth weight.

Dose: 6000 mg
Forms
Powder
Commonly used for mixing with water or other beverages.
Capsule
Convenient for precise dosing.
Tablet
Easy to consume and transport.

Stacks containing L-Arginine

Public community stacks that include this ingredient.

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enduranceperformancestrength

L-arginine & sodium bicarbonate are combined to enhance endurance & performance. L-arginine supports nitric oxide production, improving blood flow, while sodium bicarbonate buffers lactic acid, reducing fatigue during exercise.

L-Arginine
3000mg
Sodium Bicarbonate
500mg
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