This guide to caffeine in Starbucks drinks lists drinks from the least to the most caffeine. The sizes for each drink are Short (8 oz), Tall (12 oz), Grande (16 oz), Venti (20 oz), Venti Iced (24 oz) Trenta Iced (31 oz).
Caffeine Levels in Tazo Tea Drinks
Tazo Vanilla Rooibos Brewed Tea, Tazo Vanilla Rooibos Tea Latte and Tazo Refresh Brewed Tea are all naturally caffeine free.
Starbucks' Tazo Awake Black Tea Latte and Tazo Earl Grey Tea Latte contain the following levels of caffeine:
- Short - 10 mg
- Tall - 10 mg
- Grande - 10 mg
- Venti/Venti Iced - 15 mg
- Short - 30 mg
- Tall - 55 mg
- Grande - 85 mg
- Venti - 110 mg
The Tazo Iced Awake Tea Latte and Tazo Iced Chai Tea Latte both contain the same amount of caffeine:
- Tall - 75 mg
- Grande - 100 mg
- Venti Iced - 125 mg
Unlike most Starbucks Creme Frappuccinos, its Tazo Chai Creme Frappuccino and Tazo Green Tea Creme Frappuccino Blended Beverages contain caffeine. However, they contain less caffeine than most coffee-based Starbucks Frappuccinos. The Tazo Chai Creme Frappuccino's caffeine contents are:
- Tall - 20 mg
- Grande - 40 mg
- Venti Iced - 60 mg
- Tall - 50 mg
- Grande - 75 mg
- Venti Iced - 95 mg
White chocolate is naturally caffeine free, so Starbucks' White Hot Chocolate contains 0 mg of caffeine per serving, regardless of the size.
Starbucks' Salted Caramel Hot Chocolate contains the following levels of caffeine:
- Short - 10 mg
- Tall - 20 mg
- Grande - 25 mg
- Venti - 30 mg
- Short - 15 mg
- Tall - 20 mg
- Grande - 25 mg
- Venti - 30 mg
Starbucks' Orange Mango Vivianno Smoothie and Strawberry Vivianno Smoothie are naturally caffeine free. Due to the caffeine in its chocolate, the Chocolate Vivianno Smoothie contains 15 mg of caffeine.

