How much caffeine is in Yorkshire Gold?

A 200 ml mug of Yorkshire Gold (brewed 5 min) has 43 mg of caffeine.

That's about half a cup of brewed coffee, and 11% of the 400 mg a day the FDA cites for most healthy adults.

Source: yorkshiretea.co.uk · checked 10 Nov 2026

When did you have it?

Had at 3 pm, about 15 mg is still in you at an 11 pm bedtime. That should not affect most people’s sleep.

Bedtime

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Latest time to drink it

For an 11 pm bedtime, a 200 ml mug of Yorkshire Gold (brewed 5 min) stays under the 50 mg most people sleep fine with, even late in the evening. 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.

Bedtime	Very sensitive under 25 mg	Average under 50 mg	Not very sensitive under 100 mg
9 pm	4:35 pm	Any time	Any time
10 pm	5:35 pm	Any time	Any time
11 pm	6:35 pm	Any time	Any time
Midnight	7:35 pm	Any time	Any time
1 am	8:35 pm	Any time	Any time

For a 200 ml mug of Yorkshire Gold (brewed 5 min), 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 200 ml mug of Yorkshire Gold (brewed 5 min) peaks in your blood about 75 minutes after you start it, at roughly 37 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 after	3 hours	6 hours	9 hours	12 hours
Still in you	30 mg	20 mg	13 mg	8.7 mg

So one had at 3 pm leaves about 15 mg at 11 pm. How long caffeine lasts explains the curve.

How it compares

Yorkshire Gold is stronger than 68% of the 38 teas we track, by caffeine per serving.

Per fluid ounce (6.4 mg) it is stronger than 88% of them.

To reach 400 mg in a day you would need about 9½ of these.

Less caffeine

Kombucha 41 mg, 12 fl oz bottle
Starbucks Earl Grey Tea 40 mg, Grande
Starbucks Royal English Breakfast Tea 40 mg, Grande

More caffeine

Dona Masala Chai Concentrate 45 mg, 1 serving
Black Tea 47 mg, 8 fl oz cup
Matcha 48 mg, 1 bowl, ITO EN

FAQ

Is Yorkshire Gold high in caffeine?

It is moderate. A 200 ml mug of Yorkshire Gold (brewed 5 min) has 43 mg, which is 45% of the 95 mg in an 8 fl oz cup of brewed coffee.

Can I drink Yorkshire Gold at night?

For most people, yes: even late in the evening a 200 ml mug of Yorkshire Gold (brewed 5 min) stays under 50 mg at an 11 pm bedtime.

How long does the caffeine in Yorkshire Gold last?

It peaks about 75 minutes after you start it. Of the 43 mg, about 20 mg is still in you 6 hours later and 8.7 mg after 12 hours, for an average adult with a 5-hour half-life.

Does Yorkshire Gold have more caffeine than a cup of coffee?

No. A 200 ml mug of Yorkshire Gold (brewed 5 min) has 43 mg; an 8 fl oz cup of coffee has 95 mg.

Method and limits

The caffeine figure comes from yorkshiretea.co.uk; 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.