Yep I'm doing the 5/2 protocol. It's recommended for several of the peptides not just this one. It's well documented actually. It works out pretty good, just take on days I lift. I plan on 12 weeks then take a break.
I'm 47 and I have not gotten tested while on the protocol. In 2024 I got an IGF test which was in range. I don't remember the actual result. Back then was when I first started digging into my blood work. I started TRT in 2025 as a result of really low test, it was under 200. I have not done any AAS yet. I found this forum while researching/considering doing something. I may try a test only run, I have not decided yet. Although I get tested frequently by my clinic, plus my PCP, and I do on my own I'd have a more serious approach to lab work. I learned of some cool options on here about companies that offer testing that are fairly reasonable.