Massage therapy
No board statement foundIowa Board of Massage Therapy (DIAL)
No board statement on hemp/CBD topicals found. Iowa's statutory definition of massage therapy includes 'topical applications' (Iowa Code 152C.1; IAC 481-821.1) but does not mention hemp or CBD.
Naturopathic medicine
No board statement foundNone found
No Iowa naturopathic licensing board was found among DIAL health profession boards; Iowa does not appear to license naturopathic physicians (not confirmed by a primary source). No board statement on hemp/CBD topicals found.
When a board has not addressed CBD topicals, your usual scope of practice applies. Check with your board if you are unsure.