Unauthorized injectable peptide drugs seized and sold by Canada Peptide may pose serious health risks Canada.ca Is this injectable tanning drug safe to use? HEALTH CANADA WARNING: POTENTIALLY FATAL Recreational Use of Nitrous Oxide Health Canada warns consumers not to inhale nitrous oxide, also known as laughing gas, recreationally. Sold in retail stores in Canada as Nasal sprays containing the 'Barbie Drug' melanotan are very, very dangerous and completely unregulated, according to leading dermatologist. Experts say there has been a surge in the use of the illegal tanning aid