We’ve reimagined classic lemonade and taken it pro – probiotic, that is! We’ve squeezed the finest quality organic ingredients into every bottle, making sure we’re offering delicious lemonade flavors at their zesty best. They are fermented with our water kefirWater kefir is a lightly effervescent water based drink that is made by fermenting kefir culture grains in water with sugar. Water kefir grains do not contain grains such as wheat, they are a unique culture. Cultures that are used to ferment dairy kefir are a different strain. Fermented water kefir is the base of all of KeVita’s Sparkling Probiotic Drink and Apple Cider Vinegar Tonic. culture and contains billions of live probiotics.