Popular Diet Energy Drinks Drink Name Caffeine (mg/can) Sweetener type Rockstar Zero-Carb 240 Ace-K, Sucralose Monster Lo-Carb 160 Sucralose, Ace-K Bang Energy Drink 300 Sucralose, Ace-K No Fear Sugar-Free 154 Sucralose, Ace-K Click to see full answer. In this regard, are there any energy drinks without artificial sweeteners?Pureboost, a clean antioxidant energy drink mix, boosted by B12 and natural green tea caffeine, delivers a surge of 4-6 hours of powerful, pure energy with NO crash. Pureboost contains no sugar, no sucralose and no artificial flavors, colors or preservatives.Beside above, whats the healthiest energy drink? 1. Yerba Mate: “This appears to be the healthiest, since it has no artificial ingredients,” Hunnes says. “It also appears to be derived from yerba mate, which is probably extremely healthy when eaten as a whole, since it contains antioxidants, vitamins and minerals. Keeping this in view, does Monster have sucralose? Sucralose, otherwise known as Splenda, is a popular artificial sweetener found in the sugar-free versions of Rockstar, Bang, and Monster. Like sucralose, Ace-K is a calorie-free sweetener used in many diet products, including sugar-free versions of Red Bull, Rockstar, Bang, and Monster.Are zero sugar energy drinks bad for you?Energy drinks have about the same amount of caffeine as a cup of coffee. But unlike coffee, a 350ml bottle of energy drink may contain 9-10 teaspoons of added sugar, which is a lot. Energy drinks are not a healthy product and in fact may cause some health problems.”