They're generally well-tolerated, with Ipamorelin's selectivity a key advantage, but they're research/compounded peptides without complete long-term human data which is why they should be used only under medical supervision, not self-sourced online
Diabetes, obesity & metabolism, 26(10), 44804489
A classic pharmacokinetic study in the Annals of Internal Medicine (Levine et al., 2004) found that a modeled 50 g IV dose produced peak plasma levels around 13,400 mol/L, versus 220 mol/L for the maximum tolerated oral regimen roughly 3070 times higher plasma concentrations with IV administration
A summary of these recommendations is listed in Table 7
Below is a list of penalties for criminal offences concerning peptides across each state and territory of Australia