Republican congressmen ask 'why DMAA?'

House Energy and Commerce Committee launches an inquiry into DMAA-containing supplements sold at GNC.

The House Energy and Commerce Committee is launching an inquiry into a potentially dangerous stimulant used in dietary supplements sold by General Nutrition Centers (GNC).

Top lawmakers on the committee sent a series of letters May 8 to federal regulators, GNC and USPlabs, maker of a dietary supplement known as Jack3d.

The powder is marketed as a workout enhancer and contains dimethylamylamine, a synthetic drug linked to several deaths.

Read full story here.


Hide comments


  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.