is glutathione a drug FDA highlights concerns with using dietary ingredient to compound sterile injectables Glutathione Tablets For Skin Whitening:

As noted by ProSpec Bio's stability documentation, adding a carrier protein (0.1% HSA or BSA) is recommended for long-term storage of reconstituted peptides

Zinc and copper share common transport pathways, and increasing copper levels without adequate zinc can create functional deficiencies that impair immunity, wound healing, and hormone balance

Therefore, a second dose is often needed 7 to 14 days later, before the pig is weaned

Pyridoxine, pyridoxal, and pyridoxamine are all forms of vitamin B6

The results are still inconsistent and, therefore, more studies are needed to be performed

So its hard to conclude its efficacy in weight loss