An ever increasing proliferation of strain chemotypes, product forms and derivative product chemical compositions becoming available makes it exceptionally important for professionals to understand their diverse chemical compositions and what is most commonly seen on the market today. In addition to what is made available to patients, it is also important to understand how these products may be consumed or applied and what their metabolic fate might be, along with how those metabolites may impact the physiological effects to the patient. A detailed molecular perspective will be provided.