Caffeine & Sleep
Tea

Caffeine in AriZona Green Tea

15mg
per 16 oz
4% of FDA daily max

Is that a lot?

AriZona Green Tea is 4% of the FDA’s recommended daily maximum, in a single 16 oz.

AriZona Green Tea
15 mg
Green tea
28 mg
Espresso
63 mg
Red Bull
80 mg
Coffee
95 mg
FDA daily max · 400mg
Before bed

When can I drink AriZona Green Tea and still sleep?

Your AriZona Green Tea cutoff
You drink it at
Bedtime
AriZona Green Tea · 15 mg · assuming an average ~5 h half-life
At bedtime
5 mg
close to optimal
Latest safe AriZona Green Tea: 11:00 PM

How much caffeine is in AriZona Green Tea?

AriZona Green Tea is light on caffeine, with about 15 mg in a 16 oz can, roughly 7.5 mg per 8 oz. The defining feature is the sugar, around 51 grams per can.

ServingCaffeineSugar
16 oz15 mg51 g

~7.5 mg per 8 oz; low caffeine, high sugar.

Will AriZona Green Tea affect your sleep?

At 15 mg, AriZona Green Tea sits well below the 50 mg threshold, so the caffeine barely touches sleep. A sweet can late at night may leave you restless, but that's the sugar, not the tea.

Source: AriZona official

Related drinks

AriZona Green Tea & sleep — FAQ

The caffeine is low at about 15 mg, well under the 50 mg threshold, so it won't keep you up, though the heavy sugar near bedtime might.

AriZona Green Tea has 15 mg per 16 oz — about 4% of the FDA’s 400 mg daily maximum for healthy adults.

It depends on your bedtime and how fast you clear caffeine. Use the calculator above to see when AriZona Green Tea drops below the ~50 mg “ok to sleep” threshold for your bedtime.

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