Flavoring Ingredient Exceeds Safety Levels in E-cigarettes and Smokeless Tobacco Flavoring Ingredient Exceeds Safety Levels in E-cigarettes and Smokeless Tobacco admin Posted on 7 years ago DURHAM, N.C. — A potential carcinogen that has been banned as a food additive is present in... Read More Read more about Flavoring Ingredient Exceeds Safety Levels in E-cigarettes and Smokeless Tobacco