Head-to-head comparisons of medication uses, side effects, warnings, and more.
Zepbound (tirzepatide)
Rybelsus (semaglutide)
Zepbound (tirzepatide)
Rybelsus (semaglutide)
Summary of Zepbound vs. Rybelsus
Summary for GIP and GLP-1 agonist
Prescription only
Zepbound, a brand name for tirzepatide, is an injectable medication that's used along with diet and exercise to help with weight loss. It's approved for certain adults who meet criteria for weight management therapy. Zepbound (tirzepatide) is also approved to treat moderate-to-severe sleep apnea. This medication belongs to the drug class called GIP and GLP-1 agonists. The typical dosage is 1 injection under the skin once per week. Common side effects include nausea, diarrhea, stomach pain, and injection site reactions.
Summary for GLP-1 agonist
Prescription only
Rybelsus (semaglutide) is a brand name glucagon-like peptide-1 (GLP-1) agonist that helps lower blood sugar in adults with Type 2 diabetes. Unlike other medications in this class, it's the first one available as a tablet you take by mouth. The pill is typically taken once a day, at least 30 minutes before you eat, drink, or take any other medications by mouth. It’s used along with diet and exercise, and might also help with weight loss. Common side effects include nausea, stomach pain, and diarrhea.