Natural & artificially flavored. Contains: 200 mg of caffeine per 12 oz serving. Vegan. Gluten free. Finally, and energy drink that you can feel good about consuming. Away are the days of high sugar, overly carbonated obscenely branded beverages. We're here to make things simple and fun and unique simple with fun and unique flavors that pack 200 mg of caffeine, a touch of biotin and only 10 calories per serving. GMP: Good manufacturing practice. www.alaninu.com. Twitter. Facebook. Instagram.