Health Canada is advising Canadians that it has seized the unauthorized health product “Blow,” by Limitless Pharma, from Atomik Nutrition at 450 Boulevard de Mortagne, Boucherville, QC. “Blow” is promoted as a pre-workout supplement and is labelled to contain the unauthorized drug 1,3 Dimethylamylamine (DMAA), which may pose serious health risks such as high blood pressure and stroke.