If you're taking vitamin supplements that are not made by USANA, you have to stop now and start taking vitamin supplements made by USANA.  Why?  A 3rd party independent study is published every year, which evaluates more than 1,600 vitamin supplements in North America.  The study is published in The Comparative Guide To Nutritional Supplements, and is an initiative from the country of Canada.  It was orginally published to help Canadians sort through all the good and bad vitamins available. USANA's products have been rated #1 in all four annual reviews!

The most recent edition (4th) looks at...