Well there is no clear answer on this one. Everyone body is different. Some people need a larger dose while other need less of a dose to cure the same problem. You cant overdose on CBD, so thats the plus. CBD should be taken properly according to what you need to manage your ailment. Overdong it will do nothing but lessen the effectiveness and youll grow immune and wont be worth it in the long run. Good video explainer on dosing.