All Your CBD Oil Questions Answered, Thanks to Paula Begoun

Let's get to know CBD — aka cannabidiol — oil. "CBD oil is a mixture of the CBD isolate (pure CBD), plus an oil like olive, hemp, or coconut," says Begoun. And don't worry about any trippiness: "It won't get you high because it doesn't have the mind-altering properties of marijuana's tetrahydrocannabinol (THC) content (they are sourced in different ways)."

Another important thing to know? It's not the same as hemp seed oil (or, as it's sometimes confusingly referred, "cannabis sativa seed oil"). The distinction lies in the actual concentration of cannabidiol: According to Begoun, "CBD oil ... is richly concentrated in cannabidiol, whereas hemp seed oil only contains trace amounts of cannabidiol, if any."

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