Kara Fitzgerald: Its a great paper though, it is
[DOI] [PubMed] [Google Scholar] 24.Frati A, Cerretani D, Fiaschi AI, et al
Injecting bypasses the gut entirely no absorption bottlenecks, and you avoid the bacterial conversion to TMAO (a metabolite linked to cardiovascular risk) that happens when you take carnitine orally
The absence of data means safety cannot be determined in either direction
Few fertility-focused peptides have long-term safety data in humans
GSH can modulate the activity of various redox-sensitive signaling pathways, including the nuclear factor erythroid 2-related factor 2 (Nrf2) pathway, which regulates the expression of antioxidant and detoxification genes, and the mitogen-activated protein kinase (MAPK) pathway, which regulates cell proliferation, differentiation, and apoptosis