05 Jul 2021 --- Amid controversy around cannabis use and the Olympics, Fourfive is calling on the UK’s sports governing bodies to start clinical trials into the effectiveness of CBD and medical cannabis in professional sport. The CBD nutrition brand’s move seeks to accelerate the use of these ingredients for sports nutrition.“We want trials in place to measure the impact of CBD and medical cannabis can have on athletes who are experiencing different issues, and we want to see how this compares with the current treatments on offer,” Dom Day, co-founder of Fourfive, tells NutritionInsight.