L-citrulline

L-Citrulline (CAS 372-75-8) is a non-essential amino acid naturally occurring in watermelon and produced endogenously in the urea cycle.

Where is L-citrulline used?

• Sports nutrition: primary active ingredient in pre-workout powders and capsules targeting exercise performance and muscle recovery
• Pharmaceuticals: active or supporting ingredient in formulations addressing urea cycle disorders and cardiovascular-related indications
• Functional food and beverage: incorporated into fortified drinks and nutritional bars where amino acid enrichment is a label claim
• Personal care: included in topical products for moisture retention and skin barrier support
• It functions as a precursor to L-arginine and supports nitric oxide pathway activity.

Good to know: Food-grade material meets FCC standards for ingestible products and dietary supplement manufacturing; pharmaceutical-grade material is subject to tighter purity and testing requirements for global regulatory compliance.

Commercial specifications

• Bulk quantities available