Sunkist Naturals added Sunkist Naturals Orange Cream, Berries & Cream and Piña Colada to its line of smoothies. The flavors now contain 20 grams of whey protein with amino acids, the company says. Sunkist Naturals also released Sunkist Naturals Coconut Water, a sports beverage with electrolytes, the company says. Coconut Water contains 50 calories per serving. The varieties are available in 15.2-ounce bottles.