Ipamorelin is notable for its selectivity: unlike older GHRPs (such as GHRP-6), it stimulates GH release without significantly raising cortisol, prolactin, or appetite
The melanocortin 3 receptor (MC3R) is believed to be expressed in several tissues, including the brain and placenta
however, cotreatment with vitamin C effectively prevents the reduction in hippocampal neurogenesis by enhancing cell turnover, neuronal differentiation, and neuronal maturation (Nam et al., 2019)
And the creams and serums you have tried
One year-long study of men with T2D and erectile dysfunction showed that combining metformin with liraglutide or dulaglutide significantly improved International Index of Erectile Function scores, especially in those who lost more weight or had baseline vascular impairment