Williams, who's known for her athletic prowess on MTV's "The Challenge," then researched GLP-1 medications and spoke to a healthcare provider before deciding it was the right option. "GLP-1 medications mimic a hormone that your body naturally makes called glucagon-like peptide-1," registered dietitian Lauren Manaker, MS, says, adding that these medications signal to the brain that you've had enough to eat. Because losing weight on a GLP-1 can lead to muscle loss, however, it's important to eat a well-balanced diet. Ahead, Popsugar spoke to Manaker and three content creators about how to eat well when you're taking a GLP-1 medication and what foods to avoid. How Do GLP-1 Medications Affect Your Appetite?