Well over fifty percent of Americans use nutritional supplements to reduce the number of diseases that affect us, slow down the aging process, increase our vitality and strengthen our immune systems. Yet, with all the hype and sometimes contradictory claims about nutritional supplements it's easy to become confused when deciding which ones are right for you. Brenda Adderly's Introductory Guide to Nutritional Supplements provides thoroughly researched and unbiased information on numerous supplements and the principles underlying their safe and effective use.