Naturally flavored with other natural flavors. 40 calories per bottle. Certified organic caffeine: 66 mg per serving (15.2 fl oz). Organic acids (gluconic and acetic): 2280 mg per serving (15.2 fl oz). USDA Organic. Certified Organic by Organic Certifiers, Inc. Gluten free. Non-GMO Project verified. nongmoproject.org. Bold + smooth. Live probiotics. Boldly invigorating. Kevita is crafted with our proprietary cultures & the finest organic ingredients. Gently pasteurized. Lightly carbonated swirl gently. Kombucha tea culture. Fermented. Sparkling & bold with a smooth finish. Nontaxable under section 5051 I.R.C. Live probiotics added. www.kevita.com. (at)kevitadrinks. Verified non-alcoholic (contains less than 0.5% alc by vol).