HGH injections create supraphysiological spikes followed by rapid decline Side effect profiles differ significantly: Published data shows secretagogues have milder side effects (injection site reactions, mild water retention) compared to HGH (joint pain, insulin resistance, potential organ enlargement at high doses) Regulatory status differs: HGH (somatropin) is FDA-approved for specific conditions
Chen Q, Peng H, Dong L, Chen L, Ma X, Peng Y, et al
The benzyl alcohol lets a reconstituted vial be drawn from repeatedly over ~28 days without bacterial growth, which plain sterile water and saline don't allow
Inadequate Hydration : Melanotan II can cause mild dehydration, which reduces sexual performance
PD clinical trials The neuroprotective effects of GLP-1RAs, particularly exenatide, seem to be more promising in PD
If you want or need something beyond compounded injectable semaglutide or tirzepatide, you will need to look elsewhere