ranitidine, nizatidine, and metformin – have been recalled because of nitrosamine impurities. The FDA has requested manufacturers withdraw all ranitidine (brand name Zantac) products on the U.S. market.
”with the goal to reduce the risk of impurities and better address the response to unexpected impurities when they are identified. It does not apply to only nitrosamine impurities in the sartans, ranitidine, and metformin, although these have been the most prominent...
Still, it was found that the individual elemental impurities determined varied considerably depending on the country of origin and the type of tea. The differences observed could be due to the different levels of contamination in the cultivation areas in the respective countries or due to the ...