FDA's MedWatch
If you use dietary supplements always read product labels, follow directions, and heed all warnings. If you feel that a serious harmful effect, adverse reaction, or illness has occurred that is related to supplement use you should call a doctor or other health -care provider who should report it to FDA's MedWatch by calling 1-800-FDA-1088 or going to the MedWatch Website. Patient's names are kept confidential. Consumers can file a report as well. You will be asked to provide the name, address and telephone number of the person who became ill; name and address of the doctor or hospital providing treatment; description of the problem; name of the product and store where it was bought. You should also report the problem to the manufacturer or distributor listed on the product's label and to the store where the product was bought.