Untangle the words on the page
Picture beads joined in a chain. A peptide is tiny: it consists of a short chain of joined parts; proteins are made from those same kinds of parts. Insulin is a peptide.
A product’s legal status and safety could not be read from the label peptide alone as of September 2026.
GLP-1 is a chemical messenger called a hormone that plays a part in appetite and blood sugar.
Drugs that mimic this messenger’s action are often given the name GLP-1 medicines.
As of September 2026, semaglutide products with FDA approval included Ozempic and Wegovy; tirzepatide products with FDA approval included Mounjaro and Zepbound.
The Food and Drug Administration, or FDA for short, reviews medicines in the US.
Separate the ingredient from the product
Compounding means making medicine to fill an order, rather than providing an approved product made in advance.
As of September 2026, compounded medicines had no FDA approval.
Before they were offered, FDA did not check how well they worked, their safety, or their quality.
- What is the medicine’s complete name? What form does it take: a pill, an injection, or something else?
- Does the finished product have approval, or is it prepared through compounding?
- What is the proposed use?
- Which product’s evidence is being discussed?
- Can I see the information for that exact product?
Do not let a familiar ingredient name end the conversation. Keep the product question open until the answer is clear.
Notes behind the answers
- FDA · semaglutide product information
The source for approved semaglutide products. Different products have different named uses.
- FDA · tirzepatide product information
The source for an approved tirzepatide product.
- FDA · compounding and approval
The source for what making medicine to order means and what FDA has not reviewed.