Despite its powerful physiological effects, valerian is sold as a “natural dietary supplement,” and regulated as a food, not as a drug. The National Institute of Health cautions that “long-term safety data is not available” for valerian, and there's evidence that valerian can be habit-forming.
Disclaimer: This is a user generated content submitted by a member of the WriteUpCafe Community. The views and writings here reflect that of the author and not of WriteUpCafe. If you have any complaints regarding this post kindly report it to us.