Protest demands NCAA ban transgender athletes from women's sports ESPN NCAA Banned Substances: What caffeine is banned by the NCAA? Marca The NCAA has banned trans women from women's sports following the recent executive order on sports. To learn more about the order, this policy, and people's responsibilities for compliance, see the Look out for these energy drinks that contain an NCAA banned substance! Always be cognizant of what you are putting into your body as an athlete, and never drink too much caffeine Untitled