Supplementing glycine and N-acetylcysteine (GlyNAC) in aging HIV patients improves oxidative stress, mitochondrial dysfunction, inflammation, endothelial dysfunction, insulin resistance, genotoxicity, strength, and cognition: Results of an open-label clinical trial
ANTIOXIDANT PROTECTION: Contains copper peptides, also known as GHK-Cu, to help protect the skin from environmental stressors and support a radiant, healthy-looking complexion
Oral and some research doses use micrograms
Type of study: non-rct experimental Number of citations: 44 Year: 2020 Authors: Hengke Guo, Siyu Guo, Hongmei Liu Journal: Bioorganic chemistry Journal ranking: Q1 Key takeaways: Se-rich yeast peptide fraction containing selenium and bioactive peptides shows the highest antioxidant activity and effectively reduces UVB radiation-induced skin damage
Topical serums typically contain 1-3% GHK-Cu concentration
Injectable delivery achieves tissue concentrations 10-20 times higher than topical application