Yeah... Read "The testosterone syndrome" by Dr. Shippen. Using large doses of zinc as an aromatase inhibitor is his idea.DIYtony said:evidence?Enden said:Quit zinc immediately, when you have solid morning erections! 60 mg zinc a day is suppressive to your estrogen level, and if you drive the estrogen level too low, you'll get reduced libido, ED and several other problems as well!