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GLP-1 medicines and heart health: what trials really show

GLP-1 medicines and heart health: what trials really show

Large trials tested GLP-1 shots like semaglutide and liraglutide for heart outcomes. Here is what they showed, who they helped, and what they do not prove about replacing your other heart medicines.

13 Jul 2026 · Burnie Academy
glp-1 heart health type 2 diabetes

GLP-1 medicines (like semaglutide, liraglutide, dulaglutide, and albiglutide) are shots people take for type 2 diabetes and for weight loss. A big and fair question is: do these medicines also protect the heart? The honest answer comes from large trials that followed thousands of people for years. Five of these trials are the ones doctors talk about most: SELECT, SUSTAIN-6, LEADER, REWIND, and HARMONY Outcomes. This article explains what each one showed, who was in it, and what the results do not mean. The short version: the heart benefit looks real, but only for certain people, and these shots do not replace statins, blood pressure pills, or a healthy lifestyle.

Sources: SELECT trial — Semaglutide and Cardiovascular Outcomes in Obesity without Diabetes (NEJM 2023, PMID 37952131)
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