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Citrulline

13 benefits mapped to clinical evidence across supplements.

Benefit Evidence

BP↓ / FMD↑

Arterial stiffness↓ / mPAP↓

Endothelial dilation +2.4%

Blood pressure -15 mmHg

990 people

↑ circulation flow

↓ blood pressure

↑ NO blood flow

↓ BP / stiffness

1,122 people
Endurance
Moderate

Power/time fatigue +11%

+36% fatigue

Endurance/NO kinetics

VO2/performance +5%

Blood pressure -9 mmHg

439 people

Vasodilation +2.4%

Cycling power +11%

Reps/endurance up

Jump/agility + power

Reps/endurance + sprint

428 people

BP ↓ 9–15 mmHg

Stress BP ↓ ~15%

Central BP/stiffness ↓

BP ↓, NO↑

Stress BP ↓, AIx↓

268 people
Strength
Moderate

Strength: +11% power

Strength: +37% gain

NO/flow ↑; +54%

Strength/endurance mixed; +52.9%

BP ↓; −9.3%

408 people

Reps +53%, soreness −40%

Lactate −61%, fatigue ↓

Power ↑, lactate clearance

Arginine/flow + performance

Soreness/recovery + reps

~+4.8% power

193 people

Endothelial/arterial health

-1.2 m/s

Muscle/body composition

197 people
Vitality
Moderate

Heart function +20%

TB recovery +weight gain

Women lean mass +1.7kg

Heart function +9 mmHg

Vascular function +20%

Lean mass +0.5 kg

306 people

↑Arg/NO uptake

+1840 citrulline

Gut perfusion/ injury

AA availability +30-40%

Blood flow/FMD ↑

943 people

Semen quality, e‑NOS

Erectile function, sexual wellness

100 people

Endurance +36%

Reps +10–21%

Power +5%; NO↑

Soreness −40%; reps +53%

BP↓; cycling efficiency↑

104 people

Less soreness

~40% soreness drop

Soreness reduced, performance up

Soreness ↓; force maintained

+53% reps; soreness ↓

Soreness ↓

41 people

Similar by evidence

Supplements the same benefits carry qualifying findings for — a fact about the evidence graph, not a recommendation to swap.

Products with Citrulline

Search all

40 products whose verified label declares Citrulline — not every bottle that mentions it in a title.

Being studied right now

Recruiting clinical trials registered on ClinicalTrials.gov. A trial in progress has no result yet — this is what the field is asking, not what it found.