30-40mg so far is helping a lot much more than the 15mg I was using a while back. I almost gave up on it truly. So happy I tried it once again in a higher dose. The oil is blended with other all-natural elements; there are not any harmful http://alivewithhemphn.blogofchange.com/1208187/not-known-factual-statements-about-does-your-cbd-oil-come-from-organically-grown-plants