Dietary supplements emerged in the market originally as products providing missing nutrients such as vitamins, minerals, amino acids or tissue extracts. Due to successful advertising campaigns on mass media and their ease of use, in America, food supplements quickly became a “multibillion-dollar industry” (Brenda Goodman, 2013). Its users believe that taking these pills can help boost their health and fitness in addition to regular foods. However, many studies including the research from Dr. Pieter Cohen reveal the dark side of supplements and advise consumers to keep off multivitamins. Side effects is one factor that buyers need to take into account before purchasing a kind of vitamin. Any supplement is made from different herbs, these components might have positive effects but also unexpected dangers people are not aware of. The Consumer Reports (2010) demonstrates that some supplements should be avoided, including bitter orange, which is used for weight loss, allergies or nasal congestions. They are judged to be unsafe in some cases for the fact that they may cause fainting, heart-rating disorders or even death. Similar to the mentioned supplement, the coltsfoot, known to cure cough, sore throat, bronchitis and asthma is also the cause of liver damage and it is described as “likely unsafe”. Moreover, dangers to consumers are also brought about by the fact that manufacturers are not required to list information needed on labels. Some of the ingredients are not stated correctly, the amount of each ingredients might be more or less than the statistics shown on label. It is even reported that some supplements, especially those sold on websites, can contain such contaminants as pesticides, analogs or heavy metals. These contaminants are found to cause serious health problems, and even fatal side effects. In Dr. Cohen’s article “The Hidden Dangers of Dietary Supplements” (2010), experts showed that 1 over 4 supplements have