The Longevity Reality Radar

Semaglutide and tirzepatide

GLP-1 / GIP receptor agonists (semaglutide, tirzepatide). Diabetes & metabolic. Reviewed Jul 2026.

Large outcome trials show fewer cardiovascular events and kidney protection, with open questions on muscle loss and lifelong use.

Stage
Approved
Rung: Available now. Approved or established. Usable today, with a clinician.
Evidence grade
A
outcome RCTs
Randomised outcome data in people. How grades work.

What it is

Incretin-mimicking drugs that drive major weight loss and glucose control, increasingly shown to protect heart, kidney and possibly brain.

The evidence

Large outcome trials show reduced cardiovascular events and kidney protection; obesity and diabetes indications approved. Open questions on muscle loss and lifelong use.

What you can do today

This is available today. Whether it suits you depends on your health, your other medicines and your risks, so discuss it with a clinician who knows your history before starting or changing anything.

Sources

No primary paper or registry record is linked for this entry yet. The evidence summary names the studies it relies on.

Change history

No ladder moves or corrections logged for this entry yet. Changes are dated on the change log.

Related

More in Diabetes & metabolic

All 3 in Diabetes & metabolic.

  • Stem-cell islets for type 1 diabetesGrade C, 12-patient early trial. Phase 3.10 of 12 patients were off insulin at one year in an early trial, but it needs chronic immunosuppression and Phase 3 results are not out.
  • RetatrutideGrade B, weight-loss trials. Phase 3.Top doses cut body weight by about 28 to 30% in trials, but outcome trials are still running and it is not approved.

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