Some medicines increase melanin, while others get deposited in the skin and darken with sun exposure
Its selective mechanism of action, which avoids stimulation of cortisol, prolactin, and other non-GH hormones, significantly reduces the side effect burden compared to earlier GH secretagogues
Furthermore, the peptide appears to have a C-terminal lysine bearing an N-3-maleimidopropionic acid moiety, also referred to as a drug-affinity complex or DAC
There should also be other clinical trials of wider ranges to ascertain the efficacy and safety of different formulations, including S-acetyl-glutathione
The key ingredient, glutathione, is a naturally occurring substance in the body that plays a critical role in protecting against oxidation, making it vital for both health and beauty
But the mechanism isn't about spoilage in the traditional microbial sense