Low doses of CBD may cause harm to the liver, FDA study finds

From capsules, gummies and other edibles, to oils and lotions, CBD products have become increasingly popular in the United States.

A new clinical trial suggests there are still ongoing questions about the safety of even low doses of cannabidiol, even as CBD capsules, gummies, edibles, oils and lotions have become increasingly omnipresent in the United States in recent years.

Scientists from the Food and Drug Administration’s Division of Applied Regulatory Science carried out a randomized double-blind placebo-controlled trial last year to assess how low-dose CBD affects liver function in a group of healthy middle-aged men and women.

Over the course of four weeks, 201 volunteers received either 5 mg per kilogram of body weight (approximately 2.3 mg per pound or the equivalent of 350 mg for a 154-pound individual) of oral CBD, or a placebo. The goal was to give them a typical amount that might be used by consumers. Participants also underwent weekly laboratory assessments.

While the vast majority of people in the trial were unaffected, 5% showed greatly elevated levels of the liver enzyme aminotransferase, a known marker of liver cell damage or inflammation, according to the study published Monday in JAMA Internal Medicine. Women appeared to be more vulnerable than men. The liver enzyme returned to normal within one or two weeks of stopping CBD.

Seven participants withdrew from the trial because they were showing clinical signs of potential drug-induced liver injury.

https://www.nbcnews.com/health/health-news/cbd-liver-damage-study-potential-problems-rcna217186


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