glutathione is used for what Benefits, Dosages, and Side Effects The Ultimate Guide to Glutathione:

For clinics that prescribe topical GHK-Cu, the post-May-14 prescribing environment is the same as the pre-April-22 environment, with one practical caveat

Most studies use the following dose, similar to the amounts present in supplements: Zinc: 30 mg, or 273% of the Daily Value (DV) Magnesium: 450 mg, or 107% of the DV Vitamin B6: 1011 mg, or 588647% of the DV Because current research does not clearly show that supplementing with ZMA increases testosterone, more research is needed before it can be recommended for this purpose

Frontiers in physiology, 11, 694

Potential Variability: Effects can vary based on individual metabolism

However, if consumed regularly, it can lead to inflammation in the liver

Antioxidant Properties In addition to its role in melanin regulation, glutathiones antioxidant properties help protect skin cells from damage caused by free radicals