Greg Steiner is a traditional naturopath.  He does not diagnose illness or disease, and he does not prescribe medication.

The products he sells and/or recommends are intended to improve the client's general health and well being. The products sold and/or recommended are not intended to diagnose, treat, cure, or prevent any disease. 

It is recommended that the reader concurrently work with a medical doctor for any and all health related issues.