“Since discovering the endocannabinoid system (ECS) in the body in the 1990s, CBD has been researched more extensively. The ECS is a central regulatory system restoring normal balance and homeostasis in a range of human physiologic systems throughout the body and brain and has cannabinoid receptors and chemicals in its function,” explains Dr. Matharu-Daley.
Because CBD supplements come in so many different forms—such as oils, gummies, tinctures, and vapors—the amount that’s actually absorbed can vary drastically. This, combined with each person, will ultimately affect which (if any) CBD side effects you might experience.
Steven Gans, MD is board-certified in psychiatry and is an active supervisor, teacher, and mentor at Massachusetts General Hospital.
What Is Cannabidiol (CBD)?
“If the CBD is from a reputable source and one that has been inspected by a third-party independent lab, the content of CBD is more reliable,” notes Dr. Matharu-Daley. “The CBD should be organically grown, free of pesticides and heavy metals, and not sourced in food which can affect absorption. Generally, CBD is safe and side effects are few at low doses.”
The most comment side effects of CBD include drowsiness, gastrointestinal issues, dry mouth, reduced appetite, nausea, and interaction with other medications. Those are outlined in detail below.
Wendy Rose Gould is a lifestyle reporter with over a decade of experience covering health and wellness topics.
Generally speaking, CBD is considered a safe substance when applied topically or taken orally. There are, however, some potential side effects to keep in mind when using this substance, the majority of which are mild.
There are many other medicines that should not be taken with CBD. Doing so may increase the effects of those medicines. As an example, taking CBD with medicines that cause drowsiness may cause the person to be even more sleepy.
CBD oil may be used both ways.
CBD should be used according to the manufacturer’s instructions. A person should read and follow the label carefully. Use no more than instructed. Using more may increase the chance of side effects or it may cause other problems.
Studies are ongoing, but there is evidence that CBD may be effective in reducing anxiety, chronic (long-term) pain like back pain, and insomnia or trouble sleeping.
CBD is not psychoactive; it does not have a mind-altering effect.
An app was used to measure changes in insomnia in over 400 people taking medical cannabis. The average symptom severity was reduced by 4.5 points on a 10-point scale, a significant improvement in insomnia.
CBD is the primary cannabinoid in hemp. It has various healing properties. For example, it seems to lessen inflammation, the body’s response to illness or injury. In this way, it may be helpful in treating many different diseases.