FDA challenges testing used by lab that found a carcinogen in Zantac

FDA challenges testing used by lab that found a carcinogen in Zantac

STAT Plus: FDA challenges testing used by lab that found a carcinogen in Zantac and other heartburn meds

By ED SILVERMAN

ANDREW HARNIK/AP

The FDA contends that Valisure, which alerted the agency to the presence of NDMA, used higher temperatures in its testing than methods used by the agency.

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