Quite questionable: It 's benefits are questionable. Horny goat weed (yin yang huo) has been used for erectile problems & libido. However there are about 15 different plant species, some of which may have safety issues & can cause side effects like dry mouth, thirst, nosebleeds, dizziness, vomiting, low blood pressure & respiratory complaints. It can also interact with medications you take.
Answered 9/28/2016
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