Diet Energy Drink. Contains high caffeine.(80mg per serving). Compare to Red Bull.Sodamix syrups are highly concentrated.Each bottle of concentrated syrup, when mixed with carbonated tap water, makes 12 liters of soda, the equivalent of about 33 cans.  That means no more cases of bottles and cans to lug, store and recycle. And you'll pay just pennies per glass!All SodaStream regular sodamix uses a mixture of Splenda and sugar. Diet flavors are sugar-free,  sweetened with Splenda brand sweetener.