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Republican congressmen ask 'why DMAA?'![](https://eu-images.contentstack.com/v3/assets/blt09e5e63517a16184/bltafc06db067aebac6/64cbf83cdb0bcc7a8de33eaa/NewHopeNetwork_Horizontal_RGB.png?width=700&auto=webp&quality=80&disable=upscale)
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Republican congressmen ask 'why DMAA?'Republican congressmen ask 'why DMAA?'
House Energy and Commerce Committee launches an inquiry into DMAA-containing supplements sold at GNC.
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