Tirzepatide, the active ingredient in both Mounjaro for type 2 diabetes and Zepbound for weight loss, was in short supply for more than two years. But the drugmaker Eli Lilly is “currently meeting or exceeding demand” for all doses of these medicines and should continue to do so going forward, the FDA said in a December 19 statement.

The FDA’s decision will close a lucrative market opportunity for compounding pharmacies, although the agency will give a limited grace period before taking any enforcement actions.