CBD is considered to be very safe. The FDA has approved two CBD-based drugs for treatment of epilepsy epilepsy.
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A trial at Colorado State University’s College of Veterinary Medicine and Biomedical Sciences showed that CBD is safe and well-tolerated in dogs. (It also showed that CBD is most efficiently delivered in the form of oral oil).
A report published by the US National Library of Medicine and National Institutes of Health found CBD to have very few, if any side effects