peptides side effects

Has anyone else experienced an accelerated heart rate after injecting GHK-CU? I injected 2MG of it subcutaneously and within 30 minutes my resting heart rate went up somewhere between 20-30 beats per minute. I injected at 4:30 PM and that night also experienced a good bit of insomnia. My...

Has anyone experienced an acute toxic reaction to any peptide compounds? Following is a cautionary tale and what happened in my case. 3 weeks ago, I trialed a small dose (100mcg) of ACE-031 (recommended dose is 1mg/week). This peptide is a myostatin inhibitor used for increasing lean mass. The...