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Comparative Guide to Nutritional Supplements

Comparative Guide to

Nutritional Supplements

Author: Lyle MacWilliam, BSc, MSc, FP


Author, educator and biochemist, Lyle MacWilliam serves as a scientific consultant and public advocate for the natural healthcare industry. Mr. MacWilliam’s early scientific training led him to the investigation of oxidative stress and the biological properties of antioxidants. His research focused on radiation-induced free radical damage and dietary supplementation with Vitamin E.
As an author, Mr. MacWilliam’s creative works continue to be used by leading nutritional manufacturers. His popular Comparative Guide to Nutritional Supplements and Comparative Guide to Children’s Nutritionals provide consumers with reliable tools with which to sort through the maze of nutritional supplements on the market today His scientifically rigorous, no-nonsense delivery, served with a touch of humour, has earned him praise internationally as a sought-after speaker on the importance of optimal nutrition and lifestyle.

An accomplished martial artist, Mr. MacWilliam is passionate about personal fitness and health. His research hits hard at today’s lifestyle and dietary patterns and their role in the development of degenerative disease.

Mr. MacWilliam’s scientific, communication, and research skills have been solicited by several nutritional companies and public agencies. He is a contributory writer for Life Extension Foundation, a non-profit agency dedicated to the scientific exploration of preventive health and longevity. He has also served as a consultant with Health Canada, Environment Canada, Human Resources Development Canada. and the British Columbia Science Council; he is currently engaged as a scientific consultant for several nutritional manufacturers in the United States and Canada. Mr. MacWilliam is also a member of the Society of Industry Leaders, an international organization dedicated to bringing together authorities from all fields in a global network connecting industry veterans and academia professionals with institutional investors.

A former Canadian Member of Parliament and Member of the Legislative Assembly for British Columbia, Mr. MacWilliam served at the behest of Canada’s federal Minister of Health to help develop a new regulatory framework for natural health products, ensuring Canadians access to safe, effective, and high quality nutritional supplements.



Comparative Guide to Nutritional Supplements:

Consumer ed. 2011

JUST RELEASED!  The NutriSearch Comparative Guide to Nutritional Supplements, Consumer edition (2011), celebrates the newly discovered importance of vitamin D – Nature’s “sunshine vitamin” – now heralded as one of nutrtitional medicine’s breakthroughs of the century. Author and biochemist, Lyle MacWilliam, reviews the Vitamin D story ,explains the newly discovered preventive powers of this unique vitamin/hormone, and details the incredible scientific evidence supporting its use in preventive medicine.

Based upon the analytical model used in the 2007 Professional edition and including enhanced Health Support criteria that incorprate the emergent scientific evidence on vitamin D, NutriSearch has reviewed over 1600 products sold throughout the United States and Canada. The 2011 Consumer’s Guide provides a simple, easy-to-understand explanation of the science of supplementation, along with the same detailed product analysis that you find in the Professional edition. Also featured in the 2011 Consumer guide is the NutriSearch Editors Choice Award for product excellence.

For those using the NutriSearch guides to educate and motivate their patients or customers about the value of supplementation, you will find the Consumer’s guide a perfect fit.




Our Mission

nutrisearch_logo_100x100NutriSearch’s mission is to provide consumers with scientifically based information about dietary supplements, particularly multiple vitamin and mineral supplements, so they can choose the best supplement for their particular needs.

Included in that mission is the necessity of examining not only the nutrients included in a supplement, but also the balance of those ingredients, manufacturing practices, including testing, and other quality control concerns.

Every few years, we look at the entire marketplace of multiple vitamin and mineral supplements and compare what we find to an independent standard, which we call the Blended Standard. Developed from the published recommendations of twelve recognized nutritional authorities, the Blended Standard provides a baseline against which we measure the products available.


NutriSearch_GOLD_Medal_sm(See “Chapter 8: How the Comparisons Are Made” on page 42 of the NutriSearch Comparative Guide to Nutritional Supplements for full details.)


We believe strongly that quality manufacturing is just as important—maybe even more important—than what’s on the label. That’s where the NutriSearch Medal of Achievement Program comes in. For those products that reach the top, a Five-Star Product Rating, in our initial review of label claims, we invite the manufacturer to “put their money where their mouth is” by proving their product and their quality standards hold up.


If they can demonstrate third-party certification of their Good Manufacturing Practice (GMP), they become eligible for a NutriSearch Medal of Achievement. To reach GOLD status, they not only have to demonstrate the highest quality standards, but also subject their product to a third-party, certified analysis of label claim to prove that what’s on the label is also in the bottle. (See “Chapter 10: Medals of Achievement” on page 65 of the guide for details.)


A NutriSearch Medal of Achievement is the consumer’s assurance that a product can demonstrate its superior contents and quality.

Note: This is an independent research about the bioavailability or effectiveness

of most common Nutritional Supplement in the United States & Canada.






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December 4, 2009 - Posted by | Blood | , , ,


  1. […] USANA experts are at the forefront of nutritional science. Visit this: Named Editor’s Choice by NutriSearch Comparative Guide to Nutritional Supplements™ (4th […]

    Pingback by Reasons Why You Can Trust – USANA? « Your Health Consultant | March 18, 2010 | Reply

  2. […] of the Best*” and one of just four supplements to receive the highest, Gold Medal rating in Lyle MacWilliam’s Comparative Guide to Nutritional Supplements, 4th Edition. * U.S. / Canadian […]

    Pingback by USANA Nutritional Food & Supplement™ « Your Health Consultant | March 25, 2010 | Reply


    Pingback by Philippine Pharmaceutical Directory « Your Health Consultant | July 25, 2010 | Reply

  4. Does Mr MacWilliam have any financial interest in Usana? Is he a distibutor/business partner/paid spokesperson? IS Usana still the best out there? Are there 100% independent studies done by scientists with absolutely no interest in Usana?

    Comment by Peter Johnston | November 3, 2010 | Reply

    • (Author and Biochemist) Mr. Lyle MacWilliam, MSc, FP, and his book entitle “Comparative Guide to Nutritional Supplement” is definitely not connected to any USANA business matters. Check the following link: “Who is Lyle MacWilliam?“, About “NutriSearch” by MacWilliam, “Basis and Rating” of Mr. MacWilliam’s Book. Still in the records, USANA Products created the most superior, safe and quality nutritional supplement worldwide, we are not claiming it, they did. For more info & inquiry, here’s my personal email and you can message any time. Thanks and God bless!

      Comment by Engr. Ardy Motos | November 24, 2010 | Reply

  5. Hi there,

    My wife’s a distributor and we’re looking to have a copy of the book..

    I hope you can help.

    Your response and needed help is greatly appreciated.


    Comment by AL Len (@ccboyallen) | March 23, 2012 | Reply

    • We have in makati office… just let me know if you still need a copy of this book! thanks

      Comment by Engr. Ardy Motos | August 25, 2012 | Reply

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