TULSA, Okla. (AP) — Tulsa's market growth for cannabis-derived products without the high of THC was inevitable regardless of Oklahoma's medical marijuana legalization, according to advocates.

Proponents of medical marijuana have fielded questions about whether entrepreneurs are opening cannabidiol, or CBD, shops with the intention of more easily transitioning to marijuana businesses since the June passage of State Question 788 .

Isaac Caviness manages Tulsa CBD store Hemp Rx, which intends to acquire a medical marijuana business license to sell products with THC in addition to items without th...