Common GLP-1 Side Effects The most common side effects when taking GLP-1 medications are gastrointestinal problems, such as nausea, vomiting, diarrhea, constipation, abdominal pain, and bloating
Higher doses (up to 15 grams per serving) have been evaluated for safety and tolerability but have not been systematically assessed for their effects on incretin hormone secretion
In addition, some patients report slow or delayed medication delivery, along with occasional trouble getting timely responses from support, creating uncertainty around how quickly prescriptions will be processed
Tan M, Zafereo ME
CDC injection-safety guidance On February 27, 2026, HHS Secretary Kennedy announced that GHK-Cu is among approximately 14 peptides expected to return to Category 1
Presented for research literature review only Mannervik B (1985)