Peptides such as GHRPs can typically only be detected for 2436 hours post-administration, depending on dose and sensitivity of testing. Thevis et al., Drug Testing and Analysis Medium-Acting Peptides: 27 Days Peptides like IGF-1 LR3 or unmodified CJC-1295 without DAC have extended systemic activity and are detectable for several days, especially with repeated dosing
Avoid taking a double dose to make up for a missed dose, as youre more likely to get side effects
Liver injury, in slides blinded to treatment and grouping, was scored by an experienced histologist (DO) as previously described 24,25 and included assessment of features of hepatocyte injury, the presence of inflammatory cells and foci, steatosis, and markers of tissue response
Lu et al., 2016
They show the copper-tripeptide class can be bioactive by injection in animals, but they are an analogy , not AHK-Cu proof