Most fruits contain sugars (fructose) that will ferment when combined with wild or airborne yeasts and bacteria, such as Cane Sugar, Beet Sugar, Sucrose, Fructose, Glucose, Raw Sugar, Brown Sugar, Turbinado sugar, Sucanat, Syrups and more. Happy Herbalist is providing fermented sugar. We also produce Ginger Beer Plant, which is bacteria ferment.