Is olive leaf extract a safe supplement to take?
Laboratory experiments performed on live tissue and animals, and use by thousands of humans have shown the leaf components to be extremely safe and non-toxic. In addition, recorded medical use since the early 1800’s makes no mention of adverse side-effects. While being one of the safest herbs to take, the effects of concentrated extracts on disease microbes, blood pressure and blood sugar, make it wise to follow a few guidelines when taking it, especially for the first time.