Proof.Fit

L-Citrulline

11 benefits mapped to clinical evidence across supplements.

Benefit Evidence

Endothelial dilation +2.4%

Blood pressure -15 mmHg

947 people

↑ NO blood flow

↓ BP / stiffness

862 people
Endurance
Moderate

VO2/performance +5%

Blood pressure -9 mmHg

409 people

Jump/agility + power

Reps/endurance + sprint

276 people

BP ↓, NO↑

Stress BP ↓, AIx↓

238 people

Arginine/flow + performance

Soreness/recovery + reps

~+4.8% power

193 people
Strength
Moderate

NO/flow ↑; +54%

Strength/endurance mixed; +52.9%

BP ↓; −9.3%

230 people
Vitality
Moderate

Heart function +9 mmHg

Vascular function +20%

Lean mass +0.5 kg

186 people

Power +5%; NO↑

Soreness −40%; reps +53%

BP↓; cycling efficiency↑

41 people

Soreness ↓; force maintained

+53% reps; soreness ↓

Soreness ↓

41 people

AA availability +30-40%

Blood flow/FMD ↑

39 people