are glutathione tablets safe as a skin whitening agent: Facts, myths, evidence and controversies Glutathione Safety and Precautions

Important considerations include: Product purity Accurate dosing Route of administration Sterility Individual health conditions Copper balance Interaction with medications or therapies Potential Side Effects Although many users tolerate copper peptides well, potential side effects may include: Skin irritation Injection site reactions Sensitivity reactions Redness or itching Headache Temporary inflammation Product contamination risks from poor-quality sourcing Because GHK-Cu influences tissue remodeling pathways, unsupervised experimentation is strongly discouraged

It is not a clinical recommendation

Glutathione's primary function in our bodies is to combat oxidative stress, which can damage cells and lead to various diseases, including cancer

McCarthy JC, Noble PC, Schuck MR, Wright J, Lee J

I suspect the absolute risk is low for short-term use, but we do not actually know, and that uncertainty alone is a strong argument against chronic use