Novo Nordisk said it sued one compounding pharmacy and refiled a lawsuit against another after finding their products claiming to contain the active ingredient for its in-demand weight-loss drug Wegovy were impure, some by as much as 33%.

The Danish drugmaker said it found impurities in all the drugs tested from Wells Pharmacy and Brooksville Pharmaceuticals, both based in Florida. Novo first sued Brooksville in July, and discovered a substance called BPC-157 in samples from Wells.

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