DEAR DR. GOTT: Would you please comment on the supposed super vitamins manufactured by a company named USANA Corporation that is listed on the stock exchange? Are they efficacious and worth the exorbitant prices that they charge for their products?

DEAR READER: The USANA Corporation is based out of Salt Lake City, Utah. The company makes nutritional, weight management, and personal skin products, selling through a sales network marketing system of more than 140,000 independent distributors similar to Amway, Avon and other companies. USANA also produces skin and hair care products under a different brand name. I am unfamiliar with their “exorbitant” prices for the merchandise they manufacture, but am advised the company reported sales of almost $375,000,000 dollars in 2006.
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