GLP-1 2.0: The Next Generation of Obesity Drugs
By Dr. Frank Yap, MD · One Day Media Network · Updated October 2026 · Data current to this date Quick Answer "GLP-1 2.0" is the second wave of obesity medicines built on semaglutide and tirzepatide. It improves on the first wave in five ways: more potency (retatrutide, a triple agonist, averaged 28.3% weight loss at 80 weeks in Lilly's TRIUMPH-1 trial), new mechanisms (amylin and glucagon), easier formats (daily pills already approved; monthly injections in Phase 3), better body composition , and lower prices . As of September 29, 2026, no next-generation injectable is approved yet : retatrutide's FDA filing is planned for Q1 2027 and CagriSema's FDA decision is expected in late 2026. Approved 2.0-era products today are the oral drugs (Wegovy pill, Foundayo) and high-dose Wegovy HD. Disclosure: This article is educational and is...