Research published in the European Journal of Applied Physiology adds further weight to the case for beetroot juice as a superfood for both elite and amateur athletes. The study, carried out at the University of Exeter, found regular beetroot juice drinks helped people to exercise for 16% longer. Coming in a handy sized 75cl shot, Beet It Sport Nitrate 400 is the only nitrate supplement to deliver a minimum of 400mg of natural nitrate per shot - the clinical standard used for independent research in more than 200 universities worldwide.