Buying Guides

The 9 Strongest K Cup Coffee – Let’s Show You the Options

Need an extra caffeine boost to get you through your day? Try these K-Cups, which are sure to get you moving with their bold flavor and high caffeine content.


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If you’re a Keurig brewer, there’s nothing like pushing a button and enjoying a strong cup of Keurig coffee within seconds. Efficient, delicious, and easy to operate, there’s nothing more simple than brewing with Keurig machines.

At a Glance: Strongest Keurig K-Cups

However, we all need that extra kick to get us through the most hectic of workdays. And sometimes, the regular K-Cup brew just won’t cut it.

That’s where we can help! We’ve hunted down some extra bold, extra strong K-Cups that come fully loaded with extra caffeine to help you power through your day. Fire up your coffee maker and let’s get caffeinated!

Strongest K Cup Coffee

Quick Summary: Strongest Keurig K-Cups

rc-table__imageAtlas Coffee Club Single-Serve Pods
  • Coffee From a New Country Each Month
  • Money-Back Freshness Guarantee
  • Tasting Notes & Each Coffee’s History
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rc2-table__imageLifeboost Coffee Pods
  • Non-GMO
  • 2-Year Shelf Life
  • Pesticide-Free, & Chemical-Free
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Death Wish Coffee Single Serve Pods - Extra Kick of Caffeine - Dark Roast Coffee Pods - Made with USDA Certified Organic, Fair Trade, Arabica and Robusta Beans (20 Count)DEATH WISH COFFEE K-CUPS
  • World’s Strongest Coffee
  • Dark Roast Capsules
  • USDA Certified Organic
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rc2-table__imageWANDERING BEAR COFFEE
  • World's First Super-Premium Coffee Pod
  • Strong Cup Is Bold And Fully-Bodied
  • Not Bitter
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World's Strongest Coffee Single Serve Capsules for Keurig K-Cup Brewers, 12 Count - Our Best Medium Dark Roast super strong k cups for Keurig 1.0 and 2.0BANNED COFFEE K-CUPS
  • Great Taste and Aroma
  • Recyclable Capsules
  • Fresh Arabica And Robusta Coffee Beans
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Black Rifle Coffee CAF (Medium Roast Coffee Pods, 2x Caffeine, 32 Count) Single Serve Pods, 100% Columbian Excelso Beans That Delivers Twice the Caffeine Punch of Average Coffee With a Rich, Smoky Flavor, Helps Support Veterans and First RespondersBLACK RIFLE COFFEE CAF K-CUPS
  • World's Best Single Serve Coffee
  • Freshest, Smoothest And Strongest Coffee
  • Proudly American And Owned By Veterans
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Wake The Hell Up! Dark Roast Single Serve Coffee Pods | Ultra-Caffeinated Coffee For K-Cup Compatible Brewers | 12 Count, 2.0 CompatibleWAKE THE HELL UP K-CUPS
  • Ultra Caffeinated
  • Fresh Medium Dark Roasted Coffee
  • 12 Single Serve K-Cup Pods
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Hardcore Single Serve Coffee Pods for Keurig K Cup Brewers, High Caffeine, Strong Roast, 10 CountHARDCORE COFFEE STRONG K-CUPS
  • USDA Organic Coffee Beans
  • World's Most Intense Coffee
  • Roasted In A Certified Safe Quality Food Plant
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Napalm Coffee Extra Dark Roast, 100 Percent Arabica, Single Serve Cups for Keurig K-Cup Pod Brewers, 12 Count (Pack of 2)Napalm Extra Dark Coffee K-Cups
  • 100% Arabica
  • Extra Dark, Extra Bold, Extra Strong
  • Compatible With All Keurig Brewers
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A Quick Description of Caffeine

If you’re reading this, you’re probably just as addicted to caffeine as we are. However, it’s important to understand the power of this potent molecule that so many coffee lovers crave in the early morning.

According to the Food and Drug Administration, a healthy daily amount of caffeine is around 300-400mg, with 600mg being the limit for a healthy lifestyle.

It may be surprising to learn that caffeine is actually labeled the world’s most popularly used psychoactive drug. But why is it so addictive?

Without getting into the nitty-gritty medical details, caffeine affects the body by stimulating the central nervous system, as well as increasing heart rate and blood flow. As a result, those who consume caffeine often feel more awake, alert, and energized.

Some Consequences of Consuming Caffeine

However, there are some downsides to consuming too much caffeine. For instance, if you don’t regularly consume strong coffee or caffeine in general, you may notice these effects faster and more intensely than your caffeine-addicted loved ones.

The extra caffeine can cause more side effects than regular coffee, and these can be minor or severe depending on your health history.

If you don’t consume a lot of caffeine, you may experience the “jitters” after drinking a cup of coffee, causing some minor restlessness, twitching, and more.

If you have anxiety or sleeping disorders, too much caffeine can make these symptoms worse, and can also severely increase heart rate and blood flow, which may not be the best for those who have heart or circulatory health issues.

The Seven Strongest K-Cups

We all need an extra “oomph” every now and then, and these succulent K-Cups will power you throughout each day. Not only do they have a significant kick of caffeine in them, but a mouth-watering flavor to match!

There are many K-Cup options on the internet, but we’ve collected those with the most caffeine, the most flavorful, and the most affordable options for you.

Atlas Coffee Club K-Cups

Atlas Coffee Club Medium to Dark Roast
Atlas Coffee Club K-Cups
Our rating:

With 50+ countries to discover, you’ll try amazing micro‑lot coffees from around the world.

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If it’s strength of flavor that you’re looking for, look no further than Atlas Coffee Club’s K-Cups. There’s no chance of sad brown water with these pods, which have undergone plenty of research to ensure that the grind size, gram fill, and roast is perfect.

K-Cups from Atlas Coffee Club are filled with single-origin coffee made from the top 1% of coffee beans in the world. Each month, you receive coffee from a different country, along with a postcard that explains the tasting notes for that coffee.

Like Free Coffee? Get your first bag free with an Atlas Coffee World Tour Click here to get the deal

Atlas prioritizes bringing out the unique flavor profile of each country’s coffee, so you can expect bold, complex flavors that don’t just blend in with every other cup of java.

Lifeboost Coffee K-Cups

Lifeboost Coffee K-Cups
Lifeboost Coffee K-Cups
Our rating:

The Non-GMO, single-origin, USDA-certified organic Low-Acid Healthy Coffee is shade-grown & sun-dried high in the mountains of Central America, and is delicious, immune-boosting.

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Sometimes the workday is so busy that it calls for more than one cup of Joe – but too many cups of coffee can be hard on the stomach. Lifeboost Coffee is a good choice for those situations.

While it doesn’t boast more caffeine than other brands, Lifeboost is over 27% less acidic than other coffees, which means you can feel free to drink up without suffering indigestion or stomach upset.

This coffee is also non-GMO, USDA-certified organic, pesticide-free, and free of heavy metals and mycotoxins.

You can feel very healthy about drinking as much coffee as it takes to keep you moving on even the busiest days.

Death Wish Coffee K-Cups

One of the most popular caffeine-packed coffees on our list, Death Wish Coffee definitely lives up to its name. Self-titled as the world’s strongest coffee, Death Wish Coffee lives up to the hype.

You can expect Death Wish’s Coffee to contain about 59 milligrams of caffeine per fluid ounce.

Death Wish Coffee’s K-Cups don’t only make incredibly strong coffee, but they are also Fair Trade Certified and completely organic, too!

These Death Wish Coffee K-Cups are a dark roast and have a chocolate flavor with a hint of fruity, sweet cherry. The roasters at Death Wish make sure to roast their beans as dark as possible to highlight the inner flavors without burning them.

With a combination of low acidity and high caffeine, Death Wish Coffee is easy to enjoy for those who need something sweet and easy on the stomach.

The bold flavor and high caffeine level give it a strong spot on our list.

Wandering Bear Coffee

Wandering Bear
Wandering Bear Dark Roast K-Cups
Our rating:

With a little extra boost of caffeine packed in and the slightly sweet flavor, these organic dark roast K-cups are hard to beat.

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With a little extra boost of caffeine packed in and a slightly sweet flavor, these organic dark roast K-cups are hard to beat.

There’s enough caffeine in a cup of Wandering Bear coffee to kill a bear! Er…okay, maybe not…but with 250 milligrams of caffeine per cup, you’ll have enough extra energy to kill every task on your to-do list with ease.

We’re not going to tell you every single thing we love about Wandering Bear (we’ve got a full review of the brand’s cold brew and K-Cups you can read here), but we will give you a quick rundown of why this brew made our list of the strongest K-Cup coffees.

First off, we really enjoy the bold coffee’s flavor. This drink has notes of chocolate and caramel, which makes your morning cup somewhat sweet.

Second, we love the high caffeine content, and we’re sure other coffee drinkers will, too.

This coffee gives you the jolt of energy you need to make it through the day – just be careful not to drink too much or you’ll end up with the coffee jitters!

Banned Coffee K-Cups

Banned Coffee has been in the business of making deliciously potent coffee for over 25 years.

Roasting their K-Cups to be the perfect in-between of medium-dark roast, Banned Coffee specializes in making gourmet single-serve coffee that lacks the bitterness and acidity found in some similar roasts.

You can expect bold notes of berries and chocolate in Banned’s K-Cup roast.

Claiming that their K-Cups have more caffeine than some energy drinks, Banned also boasts that their coffee contains more minerals, vitamins, and antioxidants.

Banned Coffee contains about 39.5 milligrams of caffeine per fluid ounce making it a strong option, yet not overwhelming.

Black Rifle Coffee CAF K-Cups

The first medium roast to make our list, Black Rifle Coffee Company offers K-Cups that have a strong kick of caffeine for each single-serve brew.

Though Black Rifle doesn’t explicitly list the exact amount of caffeine that you can expect from each K-Cup, the company does boast about having double the amount of caffeine found in regular K-Cups.

This CAF (caffeinated as f***) extra bold blend consists of beans that are carefully cultivated from Brazil and Columbia and roasted to a well-balanced, strong medium roast.

Black Rifle’s K-Cups aren’t only delicious – they go towards a good cause, too! Owned and operated by United States Veterans, Black Rifle’s mission behind its delicious coffee is supporting men and women in service.

So if you’re looking for a strong coffee to brew that has a strong purpose behind it, Black Rifle’s got your back.

Wake The Hell Up K-Cups

Roasted in small batches at the company’s facility in Utica, New York, Wake The Hell Up K-Cups contain a concentrated amount of caffeine to give you that extra burst of energy.

Wake The Hell Up Coffee is described as being “ultra-caffeinated,” meaning that it possesses all the power of an extra bold cup of coffee – but without some of the annoying side effects.

Another perfectly roasted dark roast, these K-cups contain 12 grams of ground coffee made from specialty-grade coffee beans sourced in Central and South America.

In each 8-ounce cup of coffee, you can expect an extra-strong, high dose of caffeine. Though the exact amount isn’t labeled, the blend of both arabica and robusta beans alone is powerful enough to kick-start your morning.

Hardcore Coffee Strong K-Cups

Using only USDA-certified organic coffee beans, Hardcore Coffee’s K-Cups are as impressive as the name implies.

A darker roasted K-Cup, Hardcore’s K-Cups are filled with robust, rich, succulent, and sweet flavors.

Hardcore Coffee packs a punch when it comes to caffeine content, containing around 150 milligrams of caffeine in each 8-ounce cup.

Though the coffee isn’t as potent as some of the other ones on our list, Hardcore still offers 1.5-1.6 times more caffeine than a typical cup of coffee, and that extra kick is nothing to sneeze at!

While these K-Cups aren’t the strongest or most intense on our list, they do provide a more caffeinated brew.

Napalm Extra Dark Coffee K-Cups

There’s nothing like the smell (or taste) of Napalm Coffee in the morning!

Though they primarily use arabica beans, Napalm hand selects their beans and perfectly small-batch roasts them to give you a delicious dark roast to sip on throughout your shift at work.

Napalm describes this roast as “extra dark, extra bold, extra strong,” and these K-Cups live up to this description.

Napalm’s K-cups are compatible with all Keurig brewers, including the Keurig 2.0. And when it comes to caffeine, Napalm doesn’t have a label to reveal exactly how much caffeine it contains per fluid ounce, but it’s roasted well enough to pack a big punch.

Things To Keep In Mind Before Buying

Before putting your money where your taste buds are, there are a few things to consider on your quest for the most caffeinated K-Cup coffees.

There are plenty of coffees out there to energize you throughout the day, but there are a few characteristics and tips that can help you determine which ones may be best suited for you.

Roast Levels Matter

One of the largest contributing factors to how caffeinated your cup of joe can be is the roast level of your coffee.

Contrary to popular opinion, light roasts actually carry more caffeine than medium or dark roasts, because the shorter roasting process doesn’t completely break down the caffeine molecules within the beans.

Darker roasts, however, typically deliver a bolder flavor. You’ll have to weigh out what you need most – more caffeine or a richer, more roasted flavor.

The Importance of Arabica and Robusta Beans

If dark roast coffee tends to have less caffeine, then why do these K-Cups have so much caffeine in them?

In the case of most of the Keurig cups above, the caffeine content comes from the addition of robusta coffee beans.

Most coffees use arabica beans because they are bolder, sweeter, and more complex in flavor, while robusta beans are usually more bitter, stronger, and more potent in taste, as well as in caffeine content.

Often, coffees that are darkly roasted will use a combination of arabica and robusta beans to maintain the rich flavors that result from the longer roasting process while also delivering the same amount of caffeine as their lightly roasted cousins.

Take our list, for example. Though all of the coffees on this list consist of medium and darker roasts, the extra caffeine content is a result of the combination of arabica and robusta beans together.

Brewing Methods

At the end of it all, the barista also has control over the overall amount of caffeine in their cup.

Though the Keurig brewing process has been distilled down to just pressing a few buttons, you still have the option to control how large your cup of coffee is.

Most Keurigs have up to five different options for brewing size, which are 4oz, 6oz, 8oz, 10oz, and 12oz.

The smaller cup sizes will provide you with a more concentrated flavor and caffeination because of the smaller water volume used when brewing.

Though you’ll still get a good dosage of caffeine by brewing the larger cup sizes, the potency will be more diluted.

The Verdict

Any of these coffee pods will provide you with a strong coffee that packs a punch of flavor and caffeine.

Which option will work best for you? That comes down to your flavor preferences, so why not try a few?

Remember, especially when drinking some of these extra-potent brews, you should consult your doctor if you’re thinking of drastically increasing your caffeine consumption.

All of these brews are delicious options for the next time you have to work a double or stay up all night to study for your final exam.

So have fun brewing with these extra-strong caffeinated K-Cups!

Happy Caffeinating!

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