does collagen have glutathione Marine and Glutathione: The Ultimate Skin Duo Collagen & Glutathione Supplement Review:
Description
A few people reported that they had not noticed any improvement in their skin after using it for 2 weeks to a month
N -acetylcysteine has shown promising results in populations with these disorders, including those in whom treatment efficacy has previously been limited

Intracellular concentrations range from 12 mM in most cells to ~10 mM in hepatocytes, which also export GSH into plasma and bile

Depending on your health status, goals, and how much support you need, one might serve you better than the other
