The FDA has a legal framework for authority over dietary supplement safety and accurate/proper labeling

Senate Bill 1082, passed 93-1 on 5/9/07 SEC. 605. ADULTERATED FOOD REGISTRY. (a) Findings- Congress makes the following findings: (1) In 1994, Congress passed the Dietary Supplement Health and Education Act (P.L. 103-417) to provide the Food and Drug Administration with the legal framework to ensure that dietary supplements are safe and properly labeled foods. (2) In 2006, Congress passed the Dietary Supplement and Nonprescription Drug Consumer Protection Act (P.L. 109-462) to establish a mandatory reporting system of serious adverse events for non-prescription drugs and dietary supplements sold and consumed in the United States. (3) The adverse event reporting system created under the Dietary Supplement and Nonprescription Drug Consumer Protection Act will serve as the early warning system for any potential public health issues associated with the use of these food products.