Because so-called "herbal fen-phen"
products have not been shown to be safe
or effective and may contain ingredients
associated with injuries, FDA is taking
action to remove these products from the
market.
The agency considers the products to
be drugs because their names reflect that
they are intended for the same use as the
anti-obesity drugs fenfluramine and
phentermine, which in combination are
commonly referred to as "fen-phen."
FDA warned ...