Yohimbe Bark

I take it as a gym supplement but if you have performance problems in bed it may help you.

“Sexual problems caused by selective-serotonin reuptake inhibitors (SSRIs). There is evidence from many studies that the active ingredient, yohimbine, can improve sexual problems associated with this class of medications used for depression. However, this benefit has not been described specifically for the yohimbe bark.”

Read more about this here:

and also below:

The only thing it may also cause as a side effect is insomnia, however after personal evaluation I was still able to sleep soundly after taking Yohimbe bark.