Caffeine & Sleep
Coffee

Caffeine in Starbucks Mocha Frappuccino (Grande)

100mg
per 16 oz
≈ 1 coffee≈ 1 Red Bull25% of FDA daily max

Is that a lot?

Starbucks Mocha Frappuccino (Grande) is 25% 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 Mocha Frappuccino (Grande)
100 mg
FDA daily max · 400mg
Before bed

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

Your Starbucks Mocha Frappuccino (Grande) cutoff
You drink it at
Bedtime
Starbucks Mocha Frappuccino (Grande) · 100 mg · assuming an average ~5 h half-life
At bedtime
33 mg
should be fine
Latest safe Starbucks Mocha Frappuccino (Grande): 6:00 PM

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

A Grande Mocha Frappuccino carries about 100 mg of caffeine from its coffee and cocoa, roughly a single coffee's worth. The standout figure is 51 grams of sugar in one blended cup.

ServingCaffeineSugar
16 oz100 mg51 g

Will Starbucks Mocha Frappuccino (Grande) affect your sleep?

From 100 mg, it takes around five hours to fall under 50 mg, so a midday Mocha Frappuccino is generally fine by bedtime. The dessert-level sugar is the more likely culprit for a restless evening.

Source: Starbucks official nutrition

Related drinks

Starbucks Mocha Frappuccino (Grande) & sleep — FAQ

The 100 mg of caffeine usually clears by bedtime, but with 51 grams of sugar, a late Mocha Frappuccino can leave you feeling buzzed more from the sweetness than the coffee.

Starbucks Mocha Frappuccino (Grande) has 100 mg per 16 oz — about 25% 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 Mocha Frappuccino (Grande) drops below the ~50 mg “ok to sleep” threshold for your bedtime.

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