Patients should not assume that a peptide is legal, safe, or appropriate simply because it is available online
However, several health authorities, including the FDA in various regions, have issued warnings about unapproved injectable lightening agents
Anti-aging supplements are any OTC ingredients or complex formulas designed to counter one or more aspects of aging
Pickart stated that GHK-Cu has a favorable safety profile, highlighting that there is no indication that it causes side effects in test subjects [2]: The molecule is very safe and no issues have ever arisen during its use as a skin cosmetic or in human wound healing studies. In a 2018 review based on new genetic data, he reiterated that all biological actions associated with GHK appear to be health positive. He pointed to over four decades of GHK research encompassing cell, tissue, and animal studies, also noting the peptides inclusion in commercial anti-aging and cosmetic products such as creams, liposomes, and dermal patches [1]
Potential Side Effects and Considerations Glutathione is a substance your body already makes, so it is generally very well-tolerated
Horm Metab Res 48(9):559564 Watt T, Cramon P, Bjorner B et al (2013) Selenium supplementation for patients with Graves hyperthyroidism (the GRASS trial): study protocol for a randomized controlled trial