You may be familiar with some of the purported health benefits of olive leaf extract.  But like any other supplement or natural cure you want to incorporate into your diet or health regime, you will also want to be aware of whether or not there are any side effects.  There are indeed some olive leaf extract side effects. These could be  of concern to you, and can include lowered blood pressure or levels of blood glucose;  either of these impacts could threaten your life if you already have  lowered blood pressure or glucose levels in your body.  If you suffer from  low blood pressure or diabetes you might be especially at risk.  Something else to think about it that interactions with the extract and drugs which make the body lower the blood pressure and levels of glucose might be dangerous