pioneer 3 semaglutide Efficacy and safety of oral vs sitagliptin in a predominantly Chinese population with type 2 diabetes uncontrolled with metformin: 12, a double-blind, Phase IIIa, randomised trial | Diabetologia Frontiers | Efficacy of Semaglutide

Several mechanisms of action of TPM in relation to weight loss have been proposed, which include changes in the reward pathway associated with food, stimulation of lipoprotein lipase, and decreased leptin and blood glucose levels

For broader questions about how safe these medications are in general, the SELECT trial data, and what the 2024 to 2026 evidence shows on the most-discussed concerns, see our separate guide on whether weight-loss injections are safe

A smaller share of adults who have ever used these drugs say they stopped taking them because their condition improved (5%)

On February 20, 2026, the FDA issued a warning letter to Belle Health LLC (dba Belle) at their Draper, Utah address

In this article, well break down what weight loss patches really are, what science says about how (and whether) they work, potential safety concerns, and evidence-based alternatives worth considering