While vitamin E is well regarded as useful for cancer prevention due to its antioxidant effect, tocotrienols, a member of the vitamin E family, and redox-silent analogs of vitamin E such as α-tocopheryl succinate (TOS) and 6-O-Carboxypropyl-alpha-tocotrienol (T3E) are also known to exhibit anticancer effects via inhibition of specific cancer-related molecules such as HIF, Src, and STAT3 [22,23,24,25,26,27]. This evidence concerns the gene SRC and cancer.