Question: how much caffeine in a bottle of starbucks frappuccino?
Answer: How Much Caffeine in Starbucks Bottled Frappuccino. The caffeine content in Starbucks Bottled Frappuccino is 90 mg per 9.50 fl. oz bottle. Compared to other drinks, this means the caffeine levels of Starbucks Bottled Frappuccino are MODERATE.