I suppose you mean olanzapin. How you get it probably depends on where you live. Here, you can only get it through a psychiatrist, and the psychiatrist has to be willing to try it off label as it is primarily an antipsychotic medicine. Although there is research that proves that it's effective for stuttering, normaly in lower doses up to 5mg. For me it has been a game changer, it doesn't remove the stuttering, but it takes it from unbearable to manageable.