For a long time, researchers were only concerned with studying delta-9-tetrahydrocannabinol (THC), the psychoactive component that is concentrated in marijuana. However, within the past decade, they have become increasingly interested in the therapeutic benefits of the other compounds found in both varieties but especially concentrated in hemp, namely cannabidiol (CBD).* It’s important to know that although THC and CBD are the most studied components of cannabis, there are many more active compounds1 found within the plant, such as the phytocannabinoids cannabigerol (CBG), cannabichromene (CBC), cannabinol (CBN), and tetrahydrocannabivarin (THCV), as well as terpenes and flavonoids. Researchers believe that whole-plant hemp oils and extracts that contain these other compounds are more beneficial than isolated extracts of just CBD, for example, due to a synergy phenomenon called “the entourage effect.”* The most well-known of these compounds is CBD. However, unlike isolated CBD extracts, full-spectrum hemp oil is a whole-plant extract, so it contains a blend of many different phytocannabinoids, terpenes, and flavonoids, all of which work together, imparting the entourage effect. Broad-spectrum hemp oil is typically full-spectrum minus the THC. In the body, cannabinoids interact with and support the endocannabinoid system—a homeostatic physiological system that affects the brain, digestion, immunity, and more.* Capsules are a convenient way to deliver hemp oil, and they allow for more controlled and consistent doses over time. They also allow for other botanicals to be included (i.e., multi-ingredient formulas). Topical hemp oil products are different than oral supplements, and they can be applied directly onto the surface of the skin. But each person has a different genetic and biochemical makeup. This means individuals will respond differently to the same dose of hemp oil, so you will have to experiment to see which dose is best for you.