content: Iran is one of the least kiked places on earth. but to save a fellow huw-ite man i did your homework for you and got some more sources.  this one is based on same study but also found that when combined with zinc, onions increase testosterone even more   https://www.testofuel.com/tf/onion-boost-testosterone-levels/ https://mentalhealthdaily.com/2015/04/11/foods-that-increase-testosterone-list/ This one is from jordan, also anti-kike  http://xbodyconcepts.com/onion-juice-raises-testosterone/ Quercetin which is found in onions suppresses estrogen; since the poison put into our food and water can barely be escaped, ingesting foods which suppress estrogen is a way to work around it   http://www.workoutbox.net/do-onions-actually-increase-testosterone-levels/