Skip to main content

Amino Acid

L-Valine

Also known as: Valine, Val, BCAA

B
Evidence

Essential branched-chain amino acid involved in muscle metabolism, tissue repair, and nitrogen balance. Works synergistically with other BCAAs.

Primary uses

  • Muscle recovery
  • Tissue repair
  • Nitrogen balance
  • Energy during exercise

How it works

  • Stimulates muscle protein synthesis
  • Provides energy during prolonged exercise
  • Maintains nitrogen balance
  • Supports CNS function

Dosage

Typical range
3-6 g daily
Timing
Pre/during/post workout
With food
With or without
Duration
Safe long-term
Special populations
Athletes, recovery

Forms

  • Powder
  • Capsule

Safety

Common side effects

  • Well tolerated

Contraindications

  • Maple syrup urine disease

Evidence notes

Established role in muscle metabolism as BCAA component

Grade B: Some human trials support key claims; further confirmation needed.

Related in Amino Acid

Check a full stack

Formulate's free interaction checker lets you paste in any combination of supplements and medications at once — every pairing flags severity, timing, and cited evidence.

Open the checker

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