High 5 4:1 Endurance Bar 50g (Box of 25) Save money by buying a box of 25 High 5 have offered their 4:1 Fructose drinks for a while now and they have proven very popular with all athletes and riders in all categories. The main benefit of the 4:1 products is that they can be used, before, during and with added whey protein, after! These Cranberry flavoured bars taste delicious and serve as a great warm up, energy boost and, recovery aid! Everything you need from an energy bar! The following prices are for a box of 25 x 50g Endurance Bars.