Compounding Explained

Section

Timeline

2 pages in this section, most recently updated September 4, 2026. Each opens with a plain-English summary and cites its sources.

  1. 01 · Timeline

    Featured

    FDA enforcement timeline for compounded GLP-1s and peptides, 2012 to 2026

    You'll get: Every dated FDA action on compounded GLP-1s and peptides, from the 2012 outbreak that produced the law to 2026.

    Every dated FDA action tied to a primary document: the 2012 outbreak, the 2013 law, the shortage resolutions, the warning letters and the 2026 proposal.

    Updated September 4, 2026
    Paper-cut illustration of a folded map with a dotted route and a small start flag

  2. 02 · Timeline

    FDA's counterfeit Ozempic alerts: three lots, what was found, how to check a pen

    You'll get: Three times since late 2023 the FDA has found counterfeit Ozempic pens inside the legitimate US supply chain.

    December 2023, April 2025 and December 2025: the lot and serial numbers FDA published, what its analysis found, and the checks FDA and the manufacturer describe for telling a genuine pen from a counterfeit.

    Updated September 4, 2026