The use of dietary supplements increased in the last decade to maintain or improve health or specifically to supplement a vitamin deﬁciency, lose weight, or support organ function. Mostly, consumers believing them to be more natural, potent or safer than pharmaceutical drugs. However, that it not always the case. The current FDA Dietary Supplement regulations do not require premarketing efficacy and safety studies of any dietary supplement product. I will explore these issues in some details in my lecture.