L-ARGININE (500 MG) by Douglas Labs

L-ARGININE (700 MG) by Douglas LabsL-Arginine 700 mg capsule.L-Arginine capsules contain 700 mg pure, crystalline L-arginine.

L-PHENYLALANINE 500 MG by Douglas Labs - DiscontinuedL-Phenylalanine 500 mg capsule.L-Phenylalanine supplies 500 mg of pure L-phenylalanine in each capsule.

ACETYL L-CARNITINE 500 MG by Douglas LabsAcetyl-l-carnitine 500 mg capsule.Acetyl-L-Carnitine capsules each contain 500 mg of pure acetyl-L-carnitine.

L-TYROSINE 500 MG by Douglas LabsL-Tyrosine supplies 500 mg of L-tyrosine in each gelatin capsule.

TAURINE 500 MG by Douglas LabsTaurine supplies 500 mg of the pure crystalline essential amino acid in each capsule.