Buying CBD online is legal in most of the United States, but the landscape is shifting rapidly due to new federal and state-level restrictions taking effect throughout . While hemp-derived CBD with less than 0.3% Delta-9 THC remains federally legal under the 2018 Farm Bill, a new federal provision (the 2026 CAEA ) is scheduled to strictly limit finished hemp products to 0.4 mg of total THC per container starting November 12, 2026 . This change will likely remove many full-spectrum tinctures and gummies from the online market later this year. Current Legal Framework (April 2026) Is CBD legal in Arizona? Can I Buy CBD Online?