Four Sigmatic Gut Health Organic Ground Coffee | Medium Roast, Immune Boosting Probiotic Mushroom Coffee with Chaga & Turkey Tail for Gut Health & Immune Support | 12oz Bag | ⭐ Flexiology.Store Recommended
$17.47
🌿 Expert Tip: Handpicked for natural health, wellness & beauty.
Price: $17.47
(as of Oct 03, 2025 16:10:13 UTC – Details)
From the brand


Our Finnish grandparents brewed mushrooms when they couldn’t get coffee. Turns out those mushrooms—Chaga—are a powerful, immune-supporting Four Sigmatic food. That gave us an idea.
We searched for more exhaustively-studied, practically-magic ingredients to add to our daily go-tos. Guess what? Organic coffee plus Chaga is chaga-bly delicious and remarkably good at balancing caffeine.
What does Four Sigmatic mean?
Four Sigmatic foods are the most nutrient dense, most studied foods on the planet. Only 100 foods fall into this category and those are the foods you’ll find in our products.
Does your product taste like mushrooms?
Our products taste like coffee or hot cacao or whatever they’re mixed with. If you’re looking to taste mushrooms, sorry to disappoint.
Do you source your mushrooms locally?
We source our ingredients from the highest quality locations around the world. And we’re always looking for better, more local options. If you have an idea, drop us a line.

This is our founder, Tero.
He grew up in Finland on a family farm that’s been around for 13 generations. There he learned to appreciate the best off-the-beaten-track ingredients and the absolute worst puns. Tero started Four Sigmatic to share these feel-good Finnish traditions with the world.

As you might have guessed, we don’t take ourselves too seriously. But our products are no joke. We source the world’s very best ingredients. We also work with 3rd party testers to geek out about formulas and purity levels, so you don’t have to think about the science
Check Out Our Products
Product Dimensions : 4 x 8.2 x 2.7 inches; 10.56 ounces
Item model number : Adaptogen Ground Coffee Ashwagandha 340g
UPC : 816897024360 816897022151
Manufacturer : Four Sigma Foods Inc
ASIN : B087YHP3HQ
Units : 12 Ounce
Best Sellers Rank: #172 in Grocery & Gourmet Food (See Top 100 in Grocery & Gourmet Food) #7 in Ground Coffee
Customer Reviews: 4.4 4.4 out of 5 stars 25,928 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
BREWS SMOOTH, DARK, AND REMARKABLY CRASH-FREE — Each brew creates a delicious cup of full-bodied, flavorful coffee without the bitter aftertaste. But that’s where the ordinary ends.That coffee beverage is infused with some of the world’s most nutrient-dense ingredients, creating an astoundingly effective cocktail of immunity-increasing, attention-amplifying superfoods.
WHY WOULD WE EVER COMBINE MUSHROOMS WITH COFFEE? — We love coffee, but it has its downsides. We took 250mg of organic Lion’s Mane (per serving), a functional, nootropic mushroom, which has been used around the world for centuries for increased focus and creativity, and combined it with our delectable, organic fair trade coffee. This unparalleled pairing means no jitters, and hours of crash-free FOCUS.
RISE AND REALLY, TRULY SHINE — Each cup contains 250mg of wild-harvested, organic Chaga. Known as “The King of Mushrooms,” Chaga got its title from its incredible immune-supporting effects. Chaga is absolutely loaded with antioxidants. In fact, it is one of the most antioxidant-dense foods on the entire planet.
REMARKABLY ELEVATED COFFEE — Our Coffee is grown in the Marcala, La Paz region of Honduras, at 5,500 feet above sea level, these specialty-grade, single origin coffee beans brew a delicious, low acid coffee. We’ve packed all of that deliciousness into our recyclable KCup pods – Compatible with Keurig 1.0 and Keurig 2.0.
SCIENTIFICALLY SPEAKING, THIS COFFEE IS PRETTY MUCH MAGIC — Functional mushrooms have been used around the world for centuries to improve productivity, immune support, and more. Unfortunately, the majority of the mushroom supplement market aren’t mushrooms at all, but rather the mycelium (basically the root system). At Four Sigmatic, we bring only the best of nature to your daily routine, so we always use the mushrooms’ fruiting bodies which contain 15x more active ingredients than the mycelium.
Customers say
Customers find this mushroom coffee delicious, smooth, and less acidic than regular coffee, providing good energy throughout the day. They appreciate its health benefits, particularly the cognitive and gut health advantages, and one customer mentions it helps with perimopause symptoms. While some customers say it doesn’t upset their stomach, others report stomach issues. The value for money receives mixed reviews, with some finding it worth the price while others consider it overpriced.
AI Generated from the text of customer reviews
🌿 Expert Tip: Selected by our Flexiology Experts for quality & value.
⚠️ Disclaimer: Information is for educational purposes and not a substitute for medical advice. Consult your physician before use. Flexiology.Store is not responsible for any adverse effects.
8 reviews for Four Sigmatic Gut Health Organic Ground Coffee | Medium Roast, Immune Boosting Probiotic Mushroom Coffee with Chaga & Turkey Tail for Gut Health & Immune Support | 12oz Bag
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Siddharth Sant –
A Powerful Combination: Four Sigmatic and Super Cocoa
As a firm believer in optimizing cognitive performance, I have discovered the perfect combination for enhancing mental clarity and focus: Four Sigmatic Think and Super Cocoa. Individually, these two products are exceptional, but when used together, they create a powerful synergy that takes brain function to new heights. Let me share my experience and explain why this dynamic duo has become an integral part of my daily routine.Let’s start with Four Sigmatic Think. This nootropic-infused coffee blend is a game-changer for mental performance. With a carefully selected combination of functional mushrooms and adaptogenic herbs, Think is designed to support cognitive function, memory, and focus. Each cup provides a rich and smooth coffee experience while nourishing the mind with brain-boosting ingredients.From the first sip, I noticed a remarkable difference in mental clarity and focus. The unique blend of lion’s mane mushroom, rhodiola, and chaga works synergistically to enhance cognitive abilities without any jitters or crashes. I feel a sustained and smooth mental uplift that lasts throughout the day, allowing me to stay productive and engaged in demanding tasks.Now, let’s introduce the perfect companion to Four Sigmatic Think: Super Cocoa. This nootropic-infused cocoa blend is not only a delicious treat but also enhances the cognitive benefits of Four Sigmatic Think. Crafted from high-quality cocoa beans and infused with brain-boosting nootropics, adaptogens, and vitamins – Super Cocoa provides a gentle energy boost while supporting mental well-being.When combined, Four Sigmatic Think and Super Cocoa create a brain-boosting mocha that is truly remarkable. The rich and smooth taste of Think pairs beautifully with the luxurious indulgence of Super Cocoa, creating a delightful beverage that satisfies both the mind and the senses. I find that this brain-boosting mocha not only stimulates my cognitive abilities but also provides a moment of pleasure and relaxation during a busy day.The combination of Four Sigmatic Think and Super Cocoa amplifies the cognitive benefits of each product. The lion’s mane mushroom and other nootropics in Think enhance memory and focus, while the natural compounds in cocoa promote mood and overall well-being. I have experienced improved mental clarity, heightened creativity, and enhanced productivity since incorporating this dynamic duo into my daily routine.Another aspect that makes this combination truly outstanding is the versatility it offers. I enjoy experimenting with different ratios of Think and Super Cocoa to create my perfect brain-boosting mocha. Whether I want a stronger coffee taste with a hint of cocoa or a richer cocoa flavor with a touch of coffee, I have the freedom to customize my beverage according to my preferences.If you are seeking a powerful brain-boosting duo that enhances cognitive performance, look no further than Four Sigmatic Think and Super Cocoa. Together, they create a harmonious symphony of mental clarity, focus, and overall cognitive enhancement. Indulge your senses and fuel your mind with this exceptional combination.
Golfer123# –
Quality mushroom coffee with a good reputation to precede it.
I have tried a few of the mushroom coffee brands on Amazon. I find that Four sigmatic is by far the best one. It tastes like a cup of bold but smooth coffee. It’s made from the mushrooms flowering fruit and not the stems etc. I felt much more alert and focused after drinking it a few days. It’s a little overpriced but it’s a quality product.
Richard C. Brown –
Good, but pricey
I like what Four Sigmatic is doing here. This review is for the variety I ordered – Think (with Lion’s Mane).To be quite honest, I stumbled across this product while looking for lower priced alternatives to Mudwtr. I’d seen a few ads for Mudwtr and wanted to check it out. Until I saw the price, that is. Mudwtr is a little over $7 an ounce (!), while the Four Sigmatic blend is a little over $1 an ounce. A pretty significant price difference, I’d say.I have not tried Mudwtr because of the excessive price. I like the idea of it and support what they are doing, but I am a heavy coffee drinker. I have worked swing shift for over 27 years and have given up soda and sweetened beverages. However, I drink a lot of coffee. It doesn’t seem to affect my sleep much, and I have way less adverse effects from caffeine than sugar, but…I know that caffeine is not good for anyone in large amounts and that we should all cut back or eliminate it from our diets. I’ve been on a kick where I’m trying to eat and drink healthier to try to avoid more health problems as I age.So back to the coffee. Cutting back hasn’t worked too well because I need something to stay awake all hours of the day and night, and most of the caffeine alternatives are worse for me than drinking coffee. Mudwtr sounds like a great idea because it is supposed to look like coffee and taste good but only have mushrooms and adaptogens in it – an energy booster without the coffee and caffeine and all of the associated side effects. But it runs about $2 a cup – a little too expensive for me to sustain in the long term. I love the idea of it, but I’d have to cut down to one cup every day or two.The Four Sigmatic coffee is much more affordable. It comes out to less than 30 cents per cup. It also claims to give you the energy boosting and sharp focus effects of coffee without the adverse side effects. However, it has coffee blended with mushrooms (or is it the other way around?) instead of a non coffee blend. I found it to be pretty much as advertised. It looks and tastes like regular coffee. As mentioned earlier, I tried the Lion’s Mane blend, and it was excellent. Wouldn’t know it had mushrooms in it from the taste – just a regular medium dark roast. The claims of all the benefits with no drawbacks seems to be valid as well.But…… you can get a really good bag of coffee for $1 an ounce. I usually drink Folger’s Classic Roast, and I can get a 3 pound can of that for $11. That works out to about 23 cents per ounce which works out to 6-7 cents per cup, depending on how strong I make it. I know money isn’t everything, but it does seem to make the world go round, and I never seem to have as much as I’d like.So, as much as I’d like to make this coffee my daily driver, I don’t think I’ll be able to because of the price. For now it is my “day off” or “special occasion” coffee. There may be a day when I can switch to drinking it full time without cutting corners somewhere else (like buying less produce for example). Five stars for the product, I’m deducting one for the price. That’s just for me, though. I’d say if you can afford it, go for it, or try the Mudwtr even. I’m going to continue to swap this out with the Folgers and try to get the bag to last a while. Then, I’m going to try the Laird Superfood coffee which is similar to this one but a bit cheaper.
Paris –
Love it
Roko –
Seit Monaten konsumiere ich diesen Kaffee mit höchster Zufriedenheit. Die hochwertigen Inhaltsstoffe und die gegebene Qualitätsversprechen überzeugen mich vollends. Der Preis erscheint angemessen. Eine uneingeschränkte Weiterempfehlung ist daher gerechtfertigt.
Lulù –
Caffé di ottimo sapore, non troppo forte, ma molto energizzante. Il packaging con accortezza mantiene l’aroma.
Melaina –
Doesn’t taste like mushrooms even a little bit! Delicious coffee, good for you, and it’s completely replaced my morning cup of caffeine.
Alejandra plasencia –
Me encantó el sabor