Answer:

ephedra

AnswerCrossword Clue
EPHEDRABanned supplement
EPHEDRAF.D.A.-banned weight-loss supplement
EPHEDRAF.D.A.-banned diet pill ingredient
EPHEDRABanned medicine used to treat asthma
EPHEDRASubject of a 2004 F.D.A. dietary supplement ban
EPHEDRAF.D.A.-banned supplement