Health Canada is advising Canadians of an unauthorized product called Brainfreeze Potpourri or Brainfreeze Herbal Incense that is labeled as an herbal product and contains synthetic cannabinoids. This product is being sold in speciality tobacco stores and head shops in Edmonton, Alberta, and may also be available for direct purchase through online retailers. Synthetic cannabinoids, when inhaled or ingested, can lead to severe health risks, such as vomiting, chest pain, increased heart rate, vision blackouts, headaches, kidney damage, agitation, high blood pressure, and psychosis. Health Canada has received one report of a serious adverse reaction following use of the product.