More than just CBD: Charlotte’s Web extracts contain CBD plus other naturally occurring phytocannabinoids, terpenes, flavonoids, essential fatty acids, and more in every serving. Charlotte’s Web CBD oils include only their premium hemp extract, carrier oil, and flavor. That’s it. Charlotte’s Web is based in Colorado and they are U.S. Hemp Authority Certified. If you would like to see their lab testing results, visit the charlottesweb.com Batch Results page. For a full COA, contact their Boulder-based customer care team from their site.