Dietary supplements are regulated by the FDA as food, not as drugs. However, many dietary supplements contain ingredients that have strong biological effects which may conflict with a medicine you are taking or a medical condition you may have. Products containing hidden drugs are also sometimes falsely marketed as dietary supplements, putting consumers at greater risk. For these reasons, it is important to consult with a health care professional before using any dietary supplement. Read these Consumer Updates to learn more.
Read more at: http://www.fda.gov/consumers/consumer-updates/dietary-supplements