Salt and watermelon certainly make strange bedfellows, but it works. This quirky, yet delicious flavour combo is engineered to give your body the fuel it needs, and keep you in play longer. To avoid bonking while exercising, you need a portable source of easily digestible carbohydrates to fuel your muscles. GU Original Energy Gels pack quick, effective, and sustained energy to meet the demands of all types of activity. All Energy Gels are Vegan, Gluten Free, and Kosher.