Starbucks cold brew (grande) has more caffeine than Hint Kick caffeinated water: 205mg vs 60mg in the same 16 oz grande. That is a 145mg gap, and since the servings match, the per-serving number is the whole story.
These are different categories of drink, which changes how the caffeine arrives. Energy drinks and sodas list an exact number because caffeine is a measured additive; brewed drinks vary with the beans and the brew, so their figures are compiled averages. The numbers here are the standard published values for each.
Hint Kick caffeinated water vs Starbucks cold brew (grande): the numbers
| Hint Kick caffeinated water | Starbucks cold brew (grande) | |
|---|---|---|
| Caffeine per serving | 60mg per 16 oz bottle | 205mg per 16 oz grande |
| Caffeine per fl oz | 3.8mg | 12.8mg |
| Servings to reach 400mg (FDA context) | 6.7 | 2.0 |
Sources: Hint Kick caffeinated water's figure is verified in our Hint Kick caffeinated water caffeine guide against Caffeine Informer (source); Starbucks cold brew (grande)'s figure is verified in our Starbucks cold brew (grande) guide against Starbucks menu data (source).
The concentration gap is the striking part: Starbucks cold brew (grande) packs roughly 3 times the caffeine per ounce. Sipping speed matters at that density; a 16 oz grande finished in minutes hits differently than the same milligrams spread over a slow cup.
Which one should you pick?
Pick Hint Kick caffeinated water when you want the lighter dose or a slower ramp, and Starbucks cold brew (grande) 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
- Hint Kick caffeinated water: the full caffeine guide
- Starbucks cold brew (grande): 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 Hint Kick caffeinated water or Starbucks cold brew (grande) have more caffeine? Starbucks cold brew (grande): 205mg per 16 oz grande versus 60mg per 16 oz bottle for Hint Kick caffeinated water.
Which is stronger per ounce? Starbucks cold brew (grande), at about 12.8mg per fluid ounce versus 3.8mg for Hint Kick caffeinated water.
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