Vitamin fortified. All natural flavors and colors. Zero calories. Zero sugar. Xyience [zi-ence]: 1. The original, great-tasting, zero calorie energy drink. 2. Real energy, for real people. 3. The unique formula that gives you the (Hashtag)PowerTo. Total Caffeine Content: 88 mg/8 oz. For customer service visit xyience.com. Made in the USA.