Right now, long-term safety data for amycretin are still limited
Jump right at the section you need: Effectiveness of glutathione tablets vs injections Pros and Cons of Glutathione Tablets and Injections Most Effective Way to Administer Glutathione Improving Glutathione Absorption Are Glutathione Pills Worth It
A 2017 study in Journal of Physiology-Paris demonstrated that BPC-157 reduced gastric lesion size in rats exposed to absolute ethanol by 60% compared to controls within 24 hours
Lai Y, Wang J, Yue N, Zhang Q, Wu J, Qi W, et al
Collagen also gets thrown into the mix, not necessarily for whitening, but more for what it does around the edges: keeping skin firm, hydrated, and a bit more "bouncy," especially over time