Dietary supplements do not need to be reviewed or approved by the U.S. Food and Drug Administration (FDA). Furthermore, producers are not required to show the FDA that their products are safe or effective before selling them. When the FDA discovers a hazardous dietary supplement, it has the option of removing it from the market or requesting that the supplement maker recall it.
What are the ingredients in weight-loss dietary supplements? Weight-loss supplements contain many ingredients—like herbs, fiber, and minerals—in different amounts and in many combinations. Sold in forms such as capsules, tablets, liquids, and powders,