L-valine

L-Valine (CAS 72-18-4), also known by its FEMA 3444 designation, is an essential branched-chain amino acid used in pharmaceutical, nutritional, and cosmetic manufacturing.

Where is L-valine used?

• Pharmaceuticals: active ingredient in amino acid infusion solutions and stabilizer in peptide drug formulations
• Sports nutrition: combined with leucine and isoleucine in BCAA blends targeting muscle recovery and endurance
• Food: flavor precursor and nutritional fortifier in functional foods, protein bars, and medical nutrition products
• Personal care: humectant and film-forming agent in skin conditioning formulations where moisture retention is a performance requirement
• It functions as a building block for protein synthesis, a buffering agent, and a stabilizing component in complex formulations.

Good to know: Pharmaceutical-grade material is subject to stricter purity specifications. Buyers should confirm production method and country of origin when sourcing for regulated applications.

Commercial specifications

• Fermentation-derived material dominates the market