The FDA oversees the use of supplements once they have been introduced to the marketplace and monitors adverse reaction complaints. Visit their Web site to find useful consumer information about dietary supplements.

This is a peer-reviewed publication about Coenzyme Q10. Highlights include names of brands tested for purity, estimated cost, and dosage information. NOTE: Consult your Neurologist or Movement Disorders Specialist before taking ANY supplements.

PDtrials offers nationwide information about clinical trials pertaining to Parkinson's disease. Entering keywords such as "Supplements," "Exercise," "Neuropsychology," allows a visitor to find clinical trials researching and/or monitoring the symptoms and treatments of interest to them.

The NCCAM is the federal government's lead agency for scientific research on the diverse medical and health care systems, practices, and products that are not generally considered part of conventional medicine. This Web site contains descriptive information on dietary supplements and a wide range of CAM interventions as well as advice on ways to pay for CAM treatments.