“…Site enhancing oils were seen as a simple solution to circumvent stubborn muscle groups and they were so widely adopted that their use is considered a public health issue in certain countries [6,7]. A variety of substances have been reported in the literature, including paraffin [6], ADE (a mix of vitamins A, D, and E in a vegetable oil base), [6], sesame oil [6,8], walnut oil [6], and coconut oil [9]. The most widely used SEO currently is Synthol, which was created in 1997 by the bodybuilder Chris Clark.…”