Carbonated Beverages: Soft Drinks; Lifestyle; Gluten-Free; Organic & Natural; All-Natural and Organic Energy Drinks.Organic Sparkling Energy Water. At Guru we Believe Energy Should not Come at the Expense of Health. that is Why our Beverages are Crafted from Botanical Infusions. Each 8 Oz. can Contains 100 Mg of Naturally Occurring Caffeine from Green Tea Extract and Guarana ...