Natural peach flavor with other natural flavors. Low calorie. Made from green & black tea leaves. 10 calories per bottle. Made from the best stuff on earth. Take a gulp. Yep, it's a diet. That's what's cool about Snapple Diet Teas. They're made from the best stuff on earth. We use green and black tea leaves with natural antioxidants (Contains 140 mg per bottle of natural antioxidants [as tea polyphenols]) and filtered water. So go ahead, take 5 gulps. Please recycle.