DON’T BUY “RESEARCH COMPOUNDS:” The Next Ozempic? This Unapproved Peptide Comes With a Big Catch. “Current research suggests retatrutide can cause several side effects. This is supported by anecdotal reports from social media. The most common side effects are gastrointestinal. These may include nausea, vomiting, diarrhea, and constipation.”

Also, you don’t really know what you’re getting with gray-market drugs.