Still getting used to pinning gonna start bpc with my trezapatide. How much should I use and is it better to take in morning or night. How many times a week?

I think i know where I'm going ot purchase my peptides from but still would like to see where everyone else if in the US where do you purchase

Looking for some help how often and how much should I take bpc157 and ghk cu to go with my trizepatide