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

N-ACETYL-L-CYSTEINE (900 MG) by Douglas LabsRespiratory health and detoxification support.N-Acetyl-L-Cysteine (NAC) is a cellular antioxidant support that specifically promotes healthy lung tissue...

N-ACETYL-L-CYSTEINE (600 MG) by Douglas LabsRespiratory health and detoxification support.N-Acetyl-L-Cysteine (NAC) is a cellular antioxidant support that specifically promotes healthy lung tissue...