This Tincture is a wonderful product. It is very easy to use and the results of using it, helps with calming and focus.. I have used all of the Tinctures and all of them have worked well for me.And I have given their products to my family and friends. And they all are now a happy customer of Birch Boys company..The Birch Boy company is a very good and honest company to work with. And their customer service is excellent. I will definitely recommend their products to anyone.