Starbucks Chai Latte carries more total caffeine per serving (95mg per 16 oz grande vs 40mg per 6.4 oz can), but ounce for ounce Ito En Sencha Shot is actually the stronger drink at about 6mg per fluid ounce against 6. Which one "has more caffeine" depends on whether you measure the container or the concentration.
Ito En Sencha Shot vs Starbucks Chai Latte: the numbers
| Ito En Sencha Shot | Starbucks Chai Latte | |
|---|---|---|
| Caffeine per serving | 40mg per 6.4 oz can | 95mg per 16 oz grande |
| Caffeine per fl oz | 6.2mg | 5.9mg |
| Servings to reach 400mg (FDA context) | 10.0 | 4.2 |
Sources: Ito En Sencha Shot's figure is verified in our Ito En Sencha Shot caffeine guide against Caffeine Informer (source); Starbucks Chai Latte's figure is verified in our Starbucks Chai Latte guide against Starbucks nutrition listing (source).
Which one should you pick?
Pick Ito En Sencha Shot when you want the lighter dose or a slower ramp, and Starbucks Chai Latte when you actually need the bigger hit and know your tolerance. If you are stacking either with other caffeinated drinks through the day, run the math against the 400mg reference rather than guessing.
For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. Tolerance and health vary, so treat these numbers as information, not advice.
Related reading
- Ito En Sencha Shot: the full caffeine guide
- Starbucks Chai Latte: the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
- Compare any two of 120+ drinks
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Gear from this guide
FAQ
Does Ito En Sencha Shot or Starbucks Chai Latte have more caffeine? Starbucks Chai Latte: 95mg per 16 oz grande versus 40mg per 6.4 oz can for Ito En Sencha Shot.
Which is stronger per ounce? Ito En Sencha Shot, at about 6.2mg per fluid ounce versus 5.9mg for Starbucks Chai Latte.
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