Based on the strong third quarter results, USANA Health Sciences raised its outlook for 2012.

FORBES: USANA Stock Gets Tarred By HerbaLife Brush

All told, Usana problems have attracted a 34% short interest in the stock.

FORBES: Magazine Article

Last month the Usana announced a 35.9% drop in first quarter earnings on higher costs and lagging North American sales.

FORBES: Magazine Article

Two of these "bad" stocks are Usana Health Services and Origin Agritech.

FORBES: Magazine Article

Tuesday's offer comes a few months after the Securities and Exchange Commission in the United States concluded Usana's marketing model is not a pyramid scheme.

FORBES: Magazine Article

A. Davidson said Usana's board of directors, which officially represents the shareholder's interests, set up a special committee to assess the fairness of the offer.

FORBES: Magazine Article

When taking Usana's issues into consideration, Wentz's comment's become poignant.

FORBES: Magazine Article

Herbalife and other MLMs, such as NuSkin and Usana, however, sell products that people do buy, and while there may be some moral qualms about MLMs and pyramid schemes, US courts have ruled that MLMs are completely legal.

FORBES: Herbalife A Target? Absolutely