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Technical Articles

National Health Research Institute (NHRI) AOCS Symposium

by Dr. Jon Cassista, Senior Scientist, NOW Foods
For the third year in a row, the Natural Health Research Institute is sponsoring a “Hot Topic” Symposium at the annual scientific meeting of the American Oil Chemists Society. This year, the Hot Topic Symposium will present recent research on the role of natural Vitamin E as a cost-effective method of reducing leading causes of death and chronic diseases. The symposium will be held May 2, 2006 during the 97th AOCS Annual Meeting & Expo in St. Louis, MO.
Recent controversies over the effectiveness of natural versus synthetic vitamin E, and the overall effectiveness of the role of vitamin E in health and wellness will be addressed. Since natural vitamin E is derived from fats and oils, the topics hold great scientific interest to members of the American Oil Chemists Society. The role of vitamin E as a cost-effective method of improving health and wellness in relation to leading causes of death and chronic diseases adds an economic dimension of interest to this topic.
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AOAC Glucosamine Method Collaborative Study

by Joseph Zhou, Ph.D., Laboratory Director, NOW Foods
Until recently, there was no official test method for analyzing the popular dietary supplement called glucosamine, which comes in various forms such as glucosamine sulfate and glucosamine hydrochloride. This is a common problem for supplement manufacturers and consumers, who want to assure that the highest quality ingredients are used but often lack agreement on exactly how to test each unique material to a common standard. Often, standard methods have not yet been established for identifying and quantifying so many natural substances. And the development of each new testing method can takes years to successfully complete.
A new analytical method developed at the NOW Foods laboratory, Determination of Glucosamine in Raw Materials and Dietary Supplements Containing Glucosamine Sulfate and/or Glucosamine Hydrochloride by HPLC with FMOC-Su Derivatization, has become an AOAC First Action Official Method SM (Reference 1). This method has been designated as AOAC method 2005.01, published in the July/August 2005 issue of the Journal of AOAC INTERNATIONAL (Reference 2). In April 2003, AOAC’s Expert Review Panel (ERP) on glucosamine selected NOW’s glucosamine method as the best method for further laboratory validation. Since then, the method has successfully completed the AOAC’s rigorous validation process, which includes both single laboratory validation (Reference 3) and collaborative study. Read More . . .

Scientific Safety Information on Progesterone

California Proposition 65 (Prop 65) and Progesterone Cream Warnings
by Amy Kosowski, M.S., LDN
Prop 65: What is it?
Proposition 65, the Safe Drinking Water and Toxic Enforcement Act of 1986 , was enacted as a ballot initiative in the state of California in November of 1986. The Proposition was intended by its authors to protect California citizens and the State's drinking water sources from chemicals known to cause cancer, birth defects or other reproductive harm, and to inform citizens about exposures to such chemicals 1.
Proposition 65 requires the Governor to publish, at least annually, a list of chemicals “known to the state to cause cancer or reproductive toxicity .” Progesterone, as well as other human hormones, appear on this list 1. Set forth below is the information that formed the bases for the addition of progesterone to the Prop 65 list by the California Office of Environmental Health Hazard Assessment (“OEHHA”).

Lewin Group Findings Show Cost Savings, Health Benefits for Five Selected Dietary Supplements: Calcium, Folic Acid, Omega-3 Fatty Acids, Glucosamine and Saw Palmetto

Washington, DC – September 22, 2004 – A study released today shows that daily use of calcium would prevent 734,000 hip fractures and save $13.9 billion in health care costs over the next five years. Daily use of folic acid by women would prevent 600 cases of neural tube birth defects yearly, saving $1.3 billion in lifetime medical costs over five years. More . . .

Cost-Effective Natural Methods to Address the Leading Causes of Death and Chronic Diseases

Abstracts of the seven papers presented in a Symposium at the American Oil Chemists Society Annual Meeting and Expo in Cincinnati, Ohio May 11, 2004. This Symposium was organized and sponsored by: Natural Health Research Institute, 5 Thomas Circle NW, Suite #500, Washington, DC 20005. (With permission of the American Oil Chemists Society)More . . .

Clinical Trial Supports Efficacy of NOW® SAMe for OA of the Knee

At NOW® Foods we take an active role in reassuring the public that dietary supplements are safe and effective when used as recommended. We pursue this ongoing goal through several different avenues, one of which is supplying researchers with top quality dietary supplements for use in clinical trials. NOW® Foods is proud to support clinical research into the efficacy of dietary supplements and we are confident that science will continue to prove the safety and effectiveness of natural dietary supplements as viable alternatives to synthetic prescription medications and their side effects. More . . .

Innacurate Analytical Results

There are six major reasons why your test results may not match up
By Joseph Zhou, Heidi Li, Ted Waszkuc, Upasana Abbot

Most of us assume that the results of laboratory analysis are precise and accurate. In the supplement business, lack of accuracy in analysis can have a negative impact, not only on the consumer, but on the manufacturer and the supplement industry as well. In a recent article in Nutritional Outlook, Joseph Zhou, et al., of NOW Foods, provide a detailed explanation of how and why inaccurate test results come about. More . . .

Healthy Aging -- the keys to healthy living

NOW Foods was pleased to sponsor the 9th Congress of the International Association of Biomedical Gerontology (IABG) conference in Vancouver, June 27-30, 2001. The research, presented by internationally prominent researchers involved in the study of aging, was beneficial in understanding the aging process and the possible links between aging and healthy lifestyle choices. Read Abstracts . . .