13. Corona Extra

This one will hurt for a lot of people, as Corona has become the popular choice for a light cerveza in the summer months. The ubiquitous commercials for this beer also have a quality of not being annoying or cloying, a rarity in today’s television-advertisement landscape. Unfortunately, Corona Extra is made with GMO corn syrup and Propylene Glycol, the former of which being derived from GMO corn. Propylene Glycol, though, is an ingredient that has stirred controversy amongst health professionals, and it is a common ingredient found in anti-freeze. Again, abstaining from Corona is the consumer’s choice, but the revelation of Corona’s potentially harmful ingredients probably makes those commercials look more insidious than relaxing.