The FDA’s decision will threaten the ability of compounding pharmacies to make far cheaper, unbranded versions of the injections over the next few months.

The FDA announcement confirms that the U.S. supply of both prescription-only drugs now meets or exceeds the current and projected demand in the country, the Danish pharmaceutical company said.

Novo Nordisk A/S’s weight-loss and diabetes drugs are no longer in short supply, US regulators said, a decision that’s expected to curtail widespread access to cheaper copies of the popular medications.