Novo Nordisk said on Thursday it had sued nine more medical spas, wellness clinics and pharmacies in the U.S. for selling products claiming to contain semaglutide, the key ingredient in its popular weight-loss drug Wegovy.

The Danish drugmaker first filed lawsuits over the sale of copycat versions of semaglutide last June, later amending one after samples it tested were found to be as much as 33% impure.

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