PepsiCo debuted SoBe Lifewater Acai Fruit Punch and Mango Melon, two new flavors to its lineup. The zero-calorie flavors are sweetened with PureVia, made from an extract of the stevia leaf; vitamins B, C and E; and herbal ingredients. The products join Fuji Apple Pear, Black and Blue Berry and Yumberry Pomegranate varieties. A 20-ounce bottle retails for $1.29.