L-Arginine Douglass Laboratories

L-Arginine Douglass Laboratories

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  • $11.99
  • Douglas Labs L-Arginine capsules contain 500 mg pure, crystalline L-arginine.
  • Amino acids have many functions in the body. They are the building blocks for all body proteins structural proteins that build muscle, connective tissues, bones and other structures, and functional proteins in the form of thousands of metabolically active enzymes.