Hop over to Amazon and get a deal on 24-Pack Monster Ultra Watermelon Sugar Free Energy Drink, 16 Oz. Each drink has 10 calories and zero sugar, but with the powerful flavor of watermelon. This sugar-free Monster Energy blend will refresh you during the summer, so grab a can and unleash the beast. Choose to … Continue reading 24-Pack Monster Ultra Watermelon Sugar Free Energy Drink as low as $31.26 Shipped Free (Reg. $42.49) – $1.30/ 16 Oz Can