Proof.Fit

Citrulline

13 benefits mapped to clinical evidence across supplements.

Benefit Evidence

↑ circulation flow

↓ blood pressure

726 people
Heart health
Moderate

BP↓ / FMD↑

Arterial stiffness↓ / mPAP↓

590 people

Vasodilation +2.4%

Cycling power +11%

Reps/endurance up

350 people
Endurance
Moderate

Power/time fatigue +11%

+36% fatigue

Endurance/NO kinetics

260 people
Strength
Moderate

Strength: +11% power

Strength: +37% gain

219 people

Endothelial/arterial health

-1.2 m/s

Muscle/body composition

197 people

BP ↓ 9–15 mmHg

Stress BP ↓ ~15%

Central BP/stiffness ↓

150 people

↑Arg/NO uptake

+1840 citrulline

Gut perfusion/ injury

904 people

Heart function +20%

TB recovery +weight gain

Women lean mass +1.7kg

155 people

Semen quality, e‑NOS

Erectile function, sexual wellness

100 people

Endurance +36%

Reps +10–21%

63 people

Reps +53%, soreness −40%

Lactate −61%, fatigue ↓

Power ↑, lactate clearance

41 people

Less soreness

~40% soreness drop

Soreness reduced, performance up

41 people