Quite exciting is the fact that whilst the second compound, among the ranked flavonoids, chrysin, is commonly being used for bodybuilding, treating anxiety, inflammation, gout, erectile dysfunction, to mention but a few, it is appearing on the list as an excellent anti-tyrosinase agent which is only 3-fold weaker, and 34-fold stronger than the standard tyrosinase inhibitors, kojic acid and tropolone4, respectively. Here, TYR is linked to erectile dysfunction.