""This source can help sort beneficial foods or supplements from those that may be not only ineffective but dangerous, even lethal, when misused"--Booklist
"fascinating"--ARBA
"recommended"--Public Library Quarterly
"recommended"--Reference Reviews. This encyclopedia of foods and drugs that are believed to improve mental performance contains information on nearly 400 nutrients, herbs, and drugs"-- Provided by publisher.
Includes bibliographical references (pages 367-370) and index.