U.S. Cracks Down on Diet-Supplement Companies in Broad Sweep

  • Ingredient in workout product allegedy linked to liver ailment
  • Texas company accused of fraudulently selling DMAA stimulant

A dietary supplement containing DMAA.

Photographer: Scott Strazzante/MCT via Getty Images

A Texas manufacturer’s line of purportedly natural workout and weight-loss supplements, sold in stores across the U.S., contained an untested and possibly dangerous Chinese-produced stimulant, according to prosecutors.

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