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Performance

L-Norvaline

Also known as: L-Norvaline

C
Evidence

Arginase inhibitor that may extend nitric oxide effects. Enhances pump duration.

Primary uses

  • Pump extension
  • Nitric oxide

How it works

  • Inhibits arginase enzyme
  • May extend arginine/NO effects
  • Theoretical pump enhancement

Dosage

Typical range
100-250mg
Timing
Pre-workout
With food
Either
Duration
Acute use
Special populations
Pump seekers

Forms

  • Capsule or powder

Safety

Common side effects

  • Generally well tolerated

Contraindications

  • Unknown

Evidence notes

Theoretical benefits, limited research

Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider.