[Roker]

Here is an extract of an article which I read lately:
Herbal and dietary supplements are regulated by the Food and Drug Administration as food rather than drugs, so they don't have to meet the same safety and efficacy standards as prescription drugs or over-the-counter medications. You should always tell your health-care provider about everything you are taking, because some alternative or herbal products can interfere with prescription medications. In recent years, more physicians have been encouraging their patients to use supplements when there is proof that they work. Your doctor is also likely to know the most effective dose for you.
To read the full article CLICK HERE