Obesity due to MC4R deficiency is associated with reduced cholesterol, triglycerides and cardiovascular disease risk Nature Medicine Australians who use tanning products containing 'melanotan' are at risk of serious health problems. These products include nasal sprays and other injectable and ingestible tanning products, and are being illegally promoted and Melanotan is not a tan. It's an unregulated peptide with real risk. As a dermatologist, here's the reality: It has been linked to new and changing moles including cases of Unlicensed weight loss drugs marketed on social media as 'prizes' Weight loss drugs The Guardian Risks of Melanotan: TGA to issue fresh warning against 'Barbie drug' The Australian