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Plain-language guides

Each guide is built from FDA and NIH pages, and the passage it relies on is quoted at the bottom. These guides are educational. They are not medical advice and not a recommendation of any product or provider.

Basics

What Is a GLP-1 Medicine?

A plain-language explanation of GLP-1, the hormone, and of GLP-1 agonist medicines, based on MedlinePlus.

Medications

FDA-Approved GLP-1 Weight Loss Medicines

What the FDA labels for Wegovy, Zepbound and Saxenda say they are indicated for, in the labels' own words.

Compounding

Compounded GLP-1: What the FDA Says

The FDA's own statements on compounded GLP-1 drugs and on the status of the semaglutide and tirzepatide shortages.

Safety

Buying GLP-1 Medicine Online Safely

Two FDA resources for checking an online pharmacy and for reporting a problem with a medicine.