Best Energy Drink in India | GXN Refuelz Energy Drink GXN Refuelz is an Intra-Workout Supplement that is used to supply continuous Energy throughout the Workout. Each Serving of Refuelz contains 126 kcal, 31.8 g Carbohydrate, 220 mg Sodium, 270 mg BCAA, 250 mg Glutamine. It includes zero Caffeine, zero added sugar, absolutely zero Fat. That’s what makes the GXN Energy Drink the Best Energy Drink Supplement for Instant Energy. https://www.gogxn.com/blog-visit/what-is-gxn-refuelz-energy-drink/