Here is a good site to learn about JUNK vitamin and mineral supplements. http://www.relfe.com/superfood.html
The site is by Stephanie Relfe, a Wholistic Kinesiologist. Her home page is, http://www.relfe.com/index.html
It is information from Dr. Schulze 's about his Superfood andwhy is is not JUNK. It is the good STUFF.