100 calories per bottle. 40% Fewer calories than regular mocha. Calorie comparison per serving: Mocha 190, Mocha Light 100. Pop the cap. Savor the sip. Go. Mocha Light Frappuccino chilled coffee drink is a blend of Starbucks coffee and milk with chocolaty mocha - and 100 calories per bottle. For a chill that only tastes decadent. Frappuccino.com. Check us out at Frappuccino.com. Want more creamy, coffee yum? Try other flavors like Vanilla, Caramel, Coffee and Mocha. Made from 100% recycled fiber with at least 35% post-consumer material.