Does Starbucks Iced Passion Tango Tea have caffeine?
No. Starbucks Iced Passion Tango Tea has no caffeine: 0 mg in a Grande.
Nothing in it adds to the caffeine in you at bedtime.
Source: starbucks.com · checked 10 Nov 2026
What to drink instead in the evening
Because Starbucks Iced Passion Tango Tea has no caffeine, it will not change your bedtime number at all. Other choices with no caffeine or only a trace:
- Herbal Tea no caffeine
- Starbucks Mint Majesty Tea no caffeine
- Yorkshire Tea Decaf 1.8 mg
- Caffeine-Free Coca-Cola no caffeine
- Fanta Orange no caffeine
- Fresca no caffeine
Low but not zero: Decaf Tea (5 mg), GT's Synergy Kombucha (6 mg), Decaf Coffee (8 mg), AriZona Green Tea (9 mg).
Planning a coffee instead? When to stop drinking coffee works out the latest time for your bedtime.
Sizes
| Size | Volume | Caffeine | mg per fl oz |
|---|---|---|---|
| Tall | 12 fl oz (355 ml) | 0 mg | 0.0 |
| Grande shown above | 16 fl oz (473 ml) | 0 mg | 0.0 |
| Venti | 24 fl oz (710 ml) | 0 mg | 0.0 |
| Trenta | 30 fl oz (887 ml) | 0 mg | 0.0 |
Source: starbucks.com · checked 10 Nov 2026
How it compares
More caffeine
- Decaf Tea 4 to 6 mg, 8 fl oz cup
- GT's Synergy Kombucha 4 to 8 mg, 8 fl oz serving
- AriZona Green Tea 8 to 10 mg, 12 fl oz serving
Same caffeine: Herbal Tea, Starbucks Mint Majesty Tea.
FAQ
Is Starbucks Iced Passion Tango Tea caffeine-free?
Yes. starbucks.com lists 0 mg of caffeine for Starbucks Iced Passion Tango Tea.
Can I have Starbucks Iced Passion Tango Tea before bed?
Yes, as far as caffeine goes: it adds nothing to the caffeine in you at bedtime.
How does Starbucks Iced Passion Tango Tea compare with a cup of coffee?
An 8 fl oz cup of coffee has 95 mg of caffeine; Starbucks Iced Passion Tango Tea has none.
Which teas have the most caffeine?
Of the teas we track, Gyokuro has the most at 160 mg (100 ml, brewed), then Iced Tea at 99 mg (1 medium drink (about 17 fl oz)).
Which Starbucks teas do have caffeine?
Starbucks Royal English Breakfast Tea has 40 mg in a Grande, the most of the Starbucks teas we track.
Method and limits
The caffeine figure comes from starbucks.com; recipes, brewing and batches vary, so a real serving can differ. Bedtime numbers elsewhere on this site use a standard one-compartment model with an average 5-hour half-life and a sleep-friendly line of 50 mg; your own body may clear caffeine faster or slower. How it works has the details.
These are estimates for information, not medical advice.
Related
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