Back to IM Shots
IM Shots

L-Arginine

Amino acid supporting nitric oxide, circulation and libido.

5–10 minutes
Physician-supervised

Overview

L-arginine is the direct precursor to nitric oxide (NO), the primary vasodilator of the endothelium — supporting blood flow, exercise performance and sexual health.

Key benefits

  • Circulation and vasodilation
  • Exercise performance
  • Libido support

How it works

A licensed clinician administers a single intramuscular injection (typically deltoid or gluteal). Most shots take under 10 minutes, including consultation.

Mechanism

Substrate for endothelial nitric oxide synthase (eNOS) producing NO.

Who is this for

  • Athletes
  • Patients addressing libido or ED
  • Cardiovascular support

Considerations & safety

Discuss with physician if on nitrates or PDE5 inhibitors, or if you have herpes-virus history (arginine may promote outbreaks in susceptible patients).

This page is educational and not medical advice. All VitaFlow protocols require evaluation by a licensed Florida physician.

Frequently asked

How is this different from citrulline?+

Citrulline has better oral bioavailability; IM arginine bypasses that limitation.

How often?+

1–2× weekly.

Any warnings?+

Herpes-outbreak history; discuss with physician.

Can I stack with PT-141?+

Yes, under physician supervision.

Related in IM Shots

Ready to feel your best?

Meet with a VitaFlow physician to design a protocol tailored to your goals, biomarkers, and lifestyle.