This article was co-authored by Aimée Shunney, ND. Dr. Aimée Gould Shunney is a Licensed Naturopathic Doctor at Santa Cruz Integrative Medicine in Santa Cruz, California where she specializes in women’s health and hormone balancing. She also consults with various companies in the natural products industry including CV Sciences, makers of PlusCBD Oil. Dr. Aimée educates consumers, retailers, and healthcare providers about CBD oil through written articles, webinars, podcasts, and conferences nationwide. Her work has been featured at the American Academy for Anti-Aging Medicine, the American Association of Naturopathic Physicians Conference, and on Fox News. She earned her ND from the National College of Naturopathic Medicine in 2001.
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CBD, or cannabidiol, is a natural compound found in hemp and marijuana plants. Unlike THC, the other active component in marijuana, CBD oil doesn’t cause a high. However, early research shows that it may have a variety of health benefits, such as reducing pain, anxiety, nausea, and insomnia.  X Trustworthy Source Harvard Medical School Harvard Medical School’s Educational Site for the Public Go to source While there are several ways to take CBD oil, one of the safest and most effective is to use a tincture that goes under your tongue.  X Trustworthy Source Consumer Reports Nonprofit organization dedicated to consumer advocacy and product testing Go to source Before using a CBD tincture, talk to your doctor about the best dosage and whether you can use it safely.
CBD oil may benefit those with drug addiction, suggests a 2015 review of studies published in Substance Abuse.
CBD oil may also increase liver enzymes (a marker of liver inflammation). People with liver disease should use CBD oil with caution, ideally under the care of a doctor who can regularly check blood liver enzyme levels.
There are no guidelines for the appropriate use of CBD oil. CBD oil is usually delivered sublingually (under the tongue). Most oils are sold in 30-milliliter (mL) bottles with a dropper cap.
Human studies evaluating the use of CBD in treating chronic pain are lacking. Those that do exist almost invariably include THC, making it difficult to isolate CBD’s distinct effects.
There is currently no known “correct” dose of CBD oil. Depending on individual needs and what is being treated, the daily dose may range between 5 and 25 mg.