How much caffeine is in Wandering Bear Cold Brew?

A 6 fl oz serving of Wandering Bear Cold Brew has 150 to 160 mg of caffeine.

That's about one and a half cups of brewed coffee, and 39% of the 400 mg a day the FDA cites for most healthy adults.

Source: wanderingbearcoffee.gorgias.help · checked 10 Nov 2026

When did you have it?

50 mgBed 11 pm: 54 mg6am9am12pm3pm6pm9pm12am3am

Had at 3 pm, about 54 mg is still in you at an 11 pm bedtime. That might affect your sleep.

Ranges: the chart uses the middle of the published range (155 mg for this size).

Bedtime

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Latest time to drink it

For an 11 pm bedtime, most people should finish a 6 fl oz serving of Wandering Bear Cold Brew by about 2:20 pm. The table works it out for other bedtimes and for how sensitive you are: it is the latest time to start one so that the caffeine left stays under the line all night.

BedtimeVery sensitive
under 25 mg
Average
under 50 mg
Not very sensitive
under 100 mg
9 pm7:20 am12:20 pm5:20 pm
10 pm8:20 am1:20 pm6:20 pm
11 pm9:20 am2:20 pm7:20 pm
Midnight10:20 am3:20 pm8:20 pm
1 am11:20 am4:20 pm9:20 pm

For a 6 fl oz serving of Wandering Bear Cold Brew, average clearance (half-life 5 h), 8 hours of sleep. "Any time" means even one at bedtime stays under the line.

How long it lasts

The caffeine from a 6 fl oz serving of Wandering Bear Cold Brew peaks in your blood about 75 minutes after you start it, at roughly 132 mg. Half of it is gone in about 5 hours for an average adult; that ranges from roughly 3 to 7 hours, and longer in pregnancy or with some medicines.

Time after3 hours6 hours9 hours12 hours
Still in you109 mg72 mg47 mg31 mg

So one had at 3 pm leaves about 54 mg at 11 pm. How long caffeine lasts explains the curve.

How it compares

Wandering Bear Cold Brew is stronger than 57% of the 8 bottled and canned coffees we track, by caffeine per serving.

Per fluid ounce (26 mg) it is stronger than 100% of them.

To reach 400 mg in a day you would need about 2½ of these.

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FAQ

Is Wandering Bear Cold Brew high in caffeine?

Yes. A 6 fl oz serving of Wandering Bear Cold Brew has 150 to 160 mg, which is 1.6 times an 8 fl oz cup of brewed coffee (95 mg).

Can I drink Wandering Bear Cold Brew at night?

Not if you want to sleep well. Had at 7 pm, it leaves about 95 mg in an average adult at an 11 pm bedtime, above the 50 mg most people sleep fine with. The latest time for an 11 pm bedtime is about 2:20 pm.

How long does the caffeine in Wandering Bear Cold Brew last?

It peaks about 75 minutes after you start it. Of the 150 to 160 mg, about 72 mg is still in you 6 hours later and 31 mg after 12 hours, for an average adult with a 5-hour half-life.

Does Wandering Bear Cold Brew have more caffeine than Red Bull?

Yes. A 6 fl oz serving of Wandering Bear Cold Brew has 150 to 160 mg; an 8.4 fl oz can of Red Bull has 80 mg.

Method and limits

The caffeine figure comes from wanderingbearcoffee.gorgias.help; recipes, brewing and batches vary, so a real serving can differ. The curves use a standard one-compartment model with an average 5-hour half-life and a sleep-friendly line of 50 mg; your own body may clear caffeine faster or slower. How it works has the details.

These are estimates for information, not medical advice.

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