LAS VEGAS, Oct. 30 (Xinhua) -- Over 400 Chinese companies are participating in North America's leading dietary supplement expo launched in Las Vegas, U.S. state of Nevada, on Wednesday.

Chinese companies took the limelight at North America leading dietary supplement expo which convenes in the US city of Las ...

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Every year, supplements send roughly 20,000 people to the emergency room. Last year, the world's largest dietary supplement maker, GNC Holdings Inc, agreed to pay $2.25 million to avoid federal ...