GHK-Cu, the copper tripeptide marketed for skin elasticity and collagen support, is one of the more reasonable cosmetic additions if you want to support skin during a weight loss journey
Some more sensitive compounds don't tolerate the benzyl alcohol preservative well and are better suited to preservative-free sterile water or saline, even though this typically means the reconstituted solution should be used sooner rather than stored for weeks
If you are feeling fatigued this spring, B12 deficiency is one possible explanation worth investigating but so are thyroid dysfunction, iron deficiency, sleep disorders, and numerous other conditions
10.1007/s10787-017-0330-7 [DOI] [PubMed] [Google Scholar] Masnec S., Kokot A., Zlatar M., Kalauz M., Kunjko K., Radic B., et al
Karena peroksidasi lipid berperan penting dalam penuaan kulit dan kerusakan kulit akibat sinar UV, kemampuan tripeptida-1 untuk membentuk kompleks dan menyerap produk sampingan toksik dari peroksidasi lipid melindungi terhadap penuaan kulit dan kerusakan foto
Proceedings of the National Academy of Sciences 103 , 1160711612 (2006)
