Nutritional Supplements: What Works and Why


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Joe Cannon has devoted over a dozen years to investigating the effects of dietary supplements. Nutritional Supplements What Works and Why discusses not only the advertised claims of 119 dietary supplements but compares those claims to what the clinical evidence actually says. That way you lean the real facts. The book also contains over 900 references so you can look up the facts for yourself if you like. Never again will you wander aimlessly through the health food store wondering what works. YOU WILL KNOW! Unlike most other books on this topic, you also learn about the side effects that only doctors usually know! Research also finds that some supplements may have positive effects that most people have not heard of. You get that information as well! The result is an unbiased, easy to read review of today’s most popular supplements. After reading this book you will know more about dietary supplements that most people on Earth Guaranteed!

What the experts are saying:

Joe provides accurate, concise information in an easy to understand format. It is the first place I turn to for reliable supplement information. I strongly recommend it to patients and athletes, as well as health and fitness professionals.
-Nicholas DiNubile, MD
-best selling author of Frame Work- Your 7 Step Program for Healthy Muscles, Bones and Joints
-Orthopedic consultant, Philadelphia 76ers and Pennsylvania Ballet
An honest and fair review of the confusing world of supplements. Joe Cannon, has put together a must have resource for every serious athlete and anyone wanting to live a healthy lifestyle. This is an excellent review of the scientific literature covering a very comprehensive list of supplements.

Vincent Disabella, DO, FAOASM, Team Physician, University of Delaware

A Well-researched and straightforward guide. An excellent resource for people interested in the truth about supplements

Curt Parnes MD
Great book! What an easy, applicable, fact-based read. As a CSCS and a licensed school nurse, I can’t help but find peer-reviewed journals exhaustingly boring and your book
was a welcomed relief.

Matt Barton, CSCS, CPT, NASN – LSN

Joe has managed to write an easy to read, common sense book in the sea of supplement confusion. This information-packed book will surely remain on my desk as I work with my clients.

Pat Smith, MS, RD, LDN

A MUST read for anyone using or desiring to use supplements.

Brian Lange, MA, CSCS, former strength coach for the Philadelphia 77ers

Clear, concise and easy to read this book is loaded with the essential information that is needed by everyone interested in sports nutrition and supplements.

Donna M Crouch, PD, RPh, CFT

Online Course Access Statement
All of our online courses have 6 month full 24/7 access to complete your online program.  The experience is awesome, simple and very digestible for the novice fitness enthusiast.