A good summary of the research can be found in a very review done by researchers with the College of Nottingham, which looked at eight rat experiments on CBD and anxiety. A serving that is appropriate for one product could be much different than that of an analogous product. http://fbresearch.blogolenta.com/1588321/how-learn-about-the-amazing-benefits-of-cbd-and-its-intake-criteria-can-save-you-time-stress-and-money