In recent years, a growing number of products marketed as 'peptide pills for weight loss' have appeared online and in health shops, often promoted as natural, safe, or scientifically advanced alternatives to prescription weight loss treatments
W.FengS.SubediK.QiaoF.MammengaE.et al
The innovation of self-assembled peptides has been proven to demonstrate high biocompatibility and biological activities, making them attractive as therapeutic drugs [160]
Vitamin C: the nontoxic, nonrate-limited, antioxidant free radical scavenger
Hope this helps, it can definitely be confusing
This is just a small summary of glutathiones benefits for the body and there are numerous other benefits in protecting the nervous system, helping the respiratory system, in protecting the heart and gastrointestinal tract especially in inflammatory bowel diseases