CAFFEINE AND GUARANA Celsius and Other Energy Drinks Not Banned by the NCAA Celsius is not banned by the NCAA as has been mistak Hi I'm a sports dietitian. Celsius isn't banned but high caffeine levels are addressed in my post NCAA regulations limit the consumption of caffeine before competitions. According to their rules, an NCAA Division I removes cannabinoids from banned drug class for championships, postseason football The Athletic Celsius Inks NIL Deals With Four Freshman Athletes Research Poster