Caffeine & Sleep
Coffee

Caffeine in Starbucks Coffee Frappuccino (Grande)

95mg
per 16 oz
≈ 1 coffee≈ 1 Red Bull24% of FDA daily max

Is that a lot?

Starbucks Coffee Frappuccino (Grande) is 24% of the FDA’s recommended daily maximum, in a single 16 oz.

Green tea
28 mg
Espresso
63 mg
Red Bull
80 mg
Coffee
95 mg
Starbucks Coffee Frappuccino (Grande)
95 mg
FDA daily max · 400mg
Before bed

When can I drink Starbucks Coffee Frappuccino (Grande) and still sleep?

Your Starbucks Coffee Frappuccino (Grande) cutoff
You drink it at
Bedtime
Starbucks Coffee Frappuccino (Grande) · 95 mg · assuming an average ~5 h half-life
At bedtime
31 mg
should be fine
Latest safe Starbucks Coffee Frappuccino (Grande): 6:22 PM

How much caffeine is in Starbucks Coffee Frappuccino (Grande)?

A Grande Coffee Frappuccino holds about 95 mg of caffeine, the same as a standard cup of coffee, blended into an icy treat. The bigger number on the label is the 45 grams of sugar.

ServingCaffeineSugar
16 oz95 mg45 g

Blended; high sugar.

Will Starbucks Coffee Frappuccino (Grande) affect your sleep?

At 95 mg, this Frappuccino takes around five hours to fall under 50 mg, so a lunchtime one is usually clear by bedtime. The heavy sugar, though, can leave you restless even after the caffeine fades.

Source: Starbucks official nutrition

Related drinks

Starbucks Coffee Frappuccino (Grande) & sleep — FAQ

The caffeine at 95 mg is coffee-level and usually clears by night, but the large sugar load in a Frappuccino late in the evening may leave you feeling wired.

Starbucks Coffee Frappuccino (Grande) has 95 mg per 16 oz — about 24% of the FDA’s 400 mg daily maximum for healthy adults. That’s roughly 1 cup of coffee.

It depends on your bedtime and how fast you clear caffeine. Use the calculator above to see when Starbucks Coffee Frappuccino (Grande) drops below the ~50 mg “ok to sleep” threshold for your bedtime.

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