When taken by mouth: Yohimbe is possibly unsafe. A chemical in yohimbe, called yohimbine, has been linked to severe side effects including irregular heartbeat, heart attack, and others. It can be safely used short-term when monitored by a healthcare provider. But it shouldn't be used without medical supervision.
Also: Can you confirm how long you have been taking it? Schizophrenia: The yohimbine in yohimbe might trigger psychosis in people with schizophrenia.
It's all good mate... it has lots of good benefits.. if you look at any medication you'll see things like this... it's just tree bark.
Just wait until Jak splits your score out across your different user names you've used over the season. You'll have about 8 of the bottom places.