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Top 10 Strongest (Most Caffeinated) Coffee Brands in the World

strong coffee

Do you rely on your daily cup of coffee to start your mornings? If so, you’re definitely not alone. While some coffee drinkers partake purely because they enjoy it, many folks depend on the caffeine kick in coffee to get them through each day. Caffeine helps parents keep their sanity, workers do their jobs, students stay up to study, and night owls function in the morning.

While virtually all coffee contains caffeine in varying amounts, an increasing number of brands are offering options loaded with many times the amount of caffeine in the average cup of joe. Here, you’ll find 10 brands of the highest caffeinated coffees on the market that’ll make your daily coffee seem weak by comparison.

If you’re extra-sensitive to caffeine, beware, but if you’re a caffeine fanatic who’s always searching for a buzz, give these high-caffeine brands a try, if you dare! So what is the strongest coffee in the world? Keep reading to find out.

How much caffeine is in coffee?
The amount of caffeine in coffee depends on a variety of factors, like the brewing method, the roast, and the type of bean. The average cup of drip coffee contains around 142 milligrams of caffeine per 12-ounce serving, and espresso contains around 63 milligrams of caffeine per ounce. These amounts don’t even come close to comparing to the caffeine levels listed below!

At a Quick Glance (updated in 2021):

Devil Mountain Black Label Devil Mountain Black Label
  • 1,555 mg caffeine per 12-ounce cup
  • Non-GMO, Organic, and Fair Trade
  • Smooth, non-bitter flavor
  • Second place
    Very Strong Coffee Very Strong Coffee
  • 1,350 mg of caffeine per 12-ounce cup
  • 100% high-caffeine Robusta beans
  • Rich, intense flavor
  • Third place
    High Voltage High Voltage
  • 1,150 mg caffeine per 12-ounce cup
  • Shockingly strong
  • Sustainably grown and dark-roasted
  • Black Insomnia Black Insomnia
  • 1,105 mg of caffeine per 12-ounce cup
  • Macadamia, caramel, and hazelnut flavors
  • Rare blend of beans
  • Biohazard Coffee Biohazard Coffee
  • 928 mg caffeine per 12-ounce cup
  • Dark-roasted and organic
  • Conveniently pre-ground
  • Top 10 Most Caffeinated Coffee Brands:

    1. Black Label Coffee by Devil Mountain

    Devil Mountain Coffee

    Caffeine content: 1,555 mg of caffeine per 12-ounce cup

    The world’s highest caffeine coffee is Black Label by Devil Mountain. At over 1,500 milligrams of caffeine per serving, this coffee is not for the faint of heart. It is non-GMO, USDA-certified organic, and fair trade. Black Label claims it will give you even energy levels without the jitters, which is rather impressive considering it has the most caffeine out of all the coffees on this list. Despite the shocking caffeine levels, it still claims a drinkable, smooth, bitter-free flavor.

    SEE ALSO: a roundup of our favorite black coffee brands when it comes to great taste.

    2. Very Strong Coffee

    very strong coffee

    Caffeine content: 1,350 mg caffeine per 12-ounce cup

    With a name that’s straight to the point, Very Strong Coffee is made in the UK with 100% Robusta coffee beans, which have naturally higher caffeine levels. Caffeine Informer calls its caffeine levels “dangerous,” so definitely make sure you’ve got a hefty caffeine tolerance if you try this one. It offers up a rich and intense flavor, and the website cautions drinkers to “enjoy it responsibly.”

    3. High-Voltage Coffee

    high voltage coffee

    Caffeine content: 1,150 mg caffeine per 12-ounce cup

    “Coffee so strong, it will shock you,” High-Voltage Coffee is based in Australia and made with sustainably sourced beans that are dark roasted to perfection. According to its website, it’s lab-tested to ensure high caffeine levels. It claims to be smooth, full-bodied, and rich in flavor, perfect for caffeine addicts and coffee snobs alike.

    4. Black Insomnia Coffee

    Black Insomnia Bean Coffee

    Caffeine content: 1,105 mg caffeine per 12-ounce cup

    We’re getting to almost scary levels of caffeine here, but if you’re a night owl in need of a coffee fix, Black Insomnia might be for you. Clocking in at over 1,000 milligrams of caffeine per serving, you’re guaranteed to feel a kick.

    It offers aromas of macadamia, caramel, and hazelnut and notes of dark chocolate. Black Insomnia says its secret to its crazy caffeine content is a combination of its rare blend of beans and finely tuned roasting process.

    5. Biohazard Coffee

    Biohazard Ground Coffee

    Caffeine content: 928 mg caffeine per 12-ounce cup

    Another caffeine-loaded brew with a fear-inducing name and logo, Biohazard is a dark-roasted organic coffee made with Robusta beans. It is sold pre-ground in one-pound and five-pound bags. Reviewers say it has a mildly bitter yet still friendly flavor, with notes of popcorn, nuts, chocolate, and tobacco.

    Whether you need to stay up late to study for exams or banish the mid-afternoon energy slump, Biohazard is sure to keep you going.

    6. Death Wish Coffee Co.

    Death Wish Ground Coffee

    Caffeine content:  728 mg caffeine per 12-ounce cup

    With a skull and crossbones on the label and a name that may strike fear into your heart, Death Wish Coffee claims to “awaken your inner rebel” with an impressive 700-plus milligrams of caffeine per cup. Despite its apparent rebellious branding, it is fair trade and organic, so you can feel good about purchasing it.

    It boasts a smooth, never-bitter taste with notes of chocolate and cherry, and it comes with a risk-free guarantee: if you try it and don’t like it, Death Wish will refund your money.

    SEE ALSO: Our Complete Review of Death Wish Coffee

    7. Red Goat Coffee


    Caffeine content: up to 702 mg of caffeine per 12-ounce cup

    Red Goat Coffee contains up to six times the amount of caffeine you’ll get in a normal cup. The website promises its coffee is smooth, not bitter, and reviewers seem to agree. It’s available whole bean or ground, and in Nespresso and Keurig-compatible pods.

    8. Killer Coffee


    Caffeine content: 645 mg caffeine per 12-ounce cup

    With an artfully designed skull on the front of the bag, Killer Coffee is made in Australia and claims it’s “strong enough to wake the dead.” It’s made with 100% dark-roasted Arabica beans. As a rich, smooth, bitterness-free brew with notes of caramel, this coffee claims to be versatile and taste great however you prepare it.

    9. Banned Coffee

    Banned Coffee Ground

    Caffeine content: 474 mg of caffeine per 12-ounce cup

    Offering “an ungodly jolt of energy” according to its website, Banned Coffee claims to be “the world’s most delicious and strongest coffee,” and it boasts over three times the amount of caffeine found in popular energy drinks. A medium to dark roast, it offers a smooth, rich taste with notes of chocolate and berries. Banned vows to never over-roast its beans, to ensure optimal caffeine levels and taste.

    10. Perk Up High Caffeine Coffee


    Caffeine content: up to 408 mg caffeine per 12-ounce cup

    Perk Up High Caffeine Coffee is a medium roast that promises to pack a punch without compromising on flavor. It is fair trade and certified organic. The website claims these beans are flash-roasted with a natural extract added to boost the caffeine content. According to the site, 12 ounces of the drip coffee will yield 262 milligrams of caffeine, while other brewing methods can produce up to 408 milligrams.

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    If your morning coffee isn’t cutting it, or perhaps you have to drink multiple cups per day because the energy-enhancing effects are wearing off too quickly, give one of these coffees a try. Even veteran coffee drinkers and self-proclaimed caffeine addicts may want to proceed with caution with the above-listed options; after all, they are the 10 most caffeine-packed coffees in the world!


    Kate MacDonnell

    Kate is a lifelong coffee enthusiast and homebrewer who enjoys writing for coffee websites and sampling every kind of coffee known to man. She’s tried unusual coffees from all over the world and owns an unhealthy amount of coffee gear.

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