Tests uncovered that most of the so-called "supplements" for sexual enhancement or slimming sold on overseas websites for Japanese consumers contain medical substances that may damage the user's health, according to a recent study by Japan's health ministry.The Ministry of Health, Labor and Welfare said although no actual damage has been reported so far, it is warning of possible health risks of such products whose quality and safety have not been confirmed by the Japanese authorities or, probably, those of the producing countries.The ministry has been requesting the operators of the websit…READ FULL ARTICLE