StackTerminal.Health

BETA

L-Citrulline

L-Citrulline is a non-essential amino acid that enhances nitric oxide production, which can improve blood flow, reduce muscle soreness, & boost endurance performance, particularly in athletes.

nitric-oxideperformanceendurancerecovery
Evidence last reviewed: 05 Apr 2026
Biomarkers studied
Outcomes directly measured across the evidence records below
Cardiovascular
Blood Pressure
Evidence
5 records
Endurance performance
Young adult trained malesRCT
PUBMEDModerate

L-Citrulline supplementation showed potential benefits for endurance performance.

Dose: 6000 mg
Cardiovascular health
General populationSystematic review and meta-analysis
PUBMEDModerate

L-Citrulline showed moderate evidence for reducing cardiovascular risk factors.

Dose: 6000 mg
Exercise performance
General populationSystematic review and meta-analysis
PUBMEDLow

No significant effect on exercise performance was found following L-citrulline supplementation.

Dose: 6000 mg
Blood pressure
Hypertensive postmenopausal womenSystematic review
PUBMEDModerate

L-Citrulline supplementation improved endothelial function & reduced blood pressure.

Dose: 6000 mg
Blood pressure
Middle-aged and older adultsSystematic review and meta-analysis
PUBMEDModerate

L-Citrulline supplementation was associated with reduced blood pressure.

Dose: 6000 mg
Forms
Powder
Commonly mixed with water or juice for easy consumption.
Capsule
Convenient for precise dosing.

Stacks containing L-Citrulline

Public community stacks that include this ingredient.

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performanceendurancestrength

Betaine anhydrous & l-citrulline are combined to enhance athletic performance & endurance. Betaine anhydrous supports strength & power, while l-citrulline aids in nitric oxide production, improving blood flow & endurance.

Betaine Anhydrous
2500mg
L-Citrulline
6000mg
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