Antioxidant sparkling water that boosts energy & restore balance. Natural flavor. 0 g sugar. No artificial sweeteners. 5 calories per can. Natural caffeine. Antioxidants 450 mcg of vitamin A. 1 net carb or less per can (erythritol carbs have no impact to blood sugar or calories). Natural caffeine, 70 mg per can (like a cup of coffee). drinkbubbler.com. Low glycemic. Gluten free. Soy free. From the makers of Klarbrunn. Please recycle. The Benefits Bubbl'th Over: Sure, the sparkling personality will make you fall in love at first sip, but then the real magic happens. Fruit effervesce and awesome antioxidants swoop in to balance the body and focus the mind, right before a boost of natural caffeine shows up to save your day. There's a benefit in every bubble and a happier you just waiting to rise up.