New
Online Exclusive
Original Mushroom Coffee™
FOCUS
ENERGY
GUT HEALTH
INSTANT
The coffee that started the movement 10 years ago, now reformulated for even better taste and benefits! 30 servings of organic Arabica instant coffee infused with Lion’s Mane, Chaga, Cordyceps, Reishi, and Turkey Tail mushrooms—plus Vitamin B12 and probiotics—for focus, energy, stress relief, and gut health. Delicious, effective, and easy to use, it’s the #1 mushroom coffee for a reason.
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20% OFF on recurring orders
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+200M Cups of Four Sigmatic Sold
60-day Money Back Guarantee
Refill Ships In 30 Days
How to use & taste
30 Servings per bag. Smooth, full-bodied, medium roast with notes of caramel. Pour 1 Tbsp into a mug. Add 8 fl. oz. of hot water. Mix well and enjoy.
Benefits
Delicious morning brew with focus without jitters, energy boost, stress relief, and gut health.
Ingredients
Organic medium roast instant coffee
Organic lion’s mane extract
Organic wildcrafted chaga extract
Organic log-grown turkey tail fruiting body extract
Organic reishi mushroom
Organic cordyceps fruiting body extract
Vitamin B12 (333% DV)
Probiotics - Bacillus subtilis
Organic coconut milk powder
Organic yacon juice powder
Frequently Asked Questions
Despite the name, it doesn’t taste like mushrooms! Instead, it offers a smooth, rich flavor reminiscent of a classic medium roast coffee with subtle notes of caramel. With over 100,000 5-star reviews, customers rave about the taste, enjoying the benefits without compromising their coffee experience.
Yes! Our products are purchased as a monthly membership, designed to help you build habits that stick. While habits typically form over 30 days, maintaining them consistently leads to lasting change. For those who prefer to try before committing, we’ve designed limited edition one-time Starter Kits: Shop Starter Kits here.
Rest assured, we offer a 60-day Happiness Guarantee. If you want to cancel your Membership or change the delivery date of your upcoming order, you can do so anytime through your Account Page. Remember, consistency is key to achieving both short-term and long-term benefits!
Rest assured, we offer a 60-day Happiness Guarantee. If you want to cancel your Membership or change the delivery date of your upcoming order, you can do so anytime through your Account Page. Remember, consistency is key to achieving both short-term and long-term benefits!
Absolutely! We offer a 60-day money-back guarantee, no questions asked.
Absolutely! Four Sigmatic products are USDA-certified organic, made with real mushroom fruiting bodies (not mycelium), and crafted without fillers, gums, and artificial flavors.
Yes! It’s designed to be part of your daily routine, offering a natural and consistent way to support your focus and overall health.
Yes, Original Mushroom Coffee is made with organic Arabica coffee and has around 50mg of caffeine. It’s infused with top functional mushrooms to elevate your coffee routine without compromising on taste.
Focus and Energy without the Jitters
Enhanced Mental Focus
Clear brain fog fast with the #1 mushroom coffee. Organic coffee and lion’s mane work together to boost focus and mental clarity in every sip.
Boost of Energy
Stay energized with organic coffee and functional mushrooms like cordyceps, which enhance endurance—without compromising taste.
Gut Health
Each cup delivers 500 million CFU of heat-resistant probiotics to support a healthy gut.
No Jitters
With about half the caffeine of a regular cup (50 mg per serving), enjoy sustained energy without the jitters or crashes.
Stress Relief
Adaptogens like reishi and chaga help your body handle stress, while lower caffeine levels keep you calm and balanced.
Immune Support
Chaga and turkey tail mushrooms provide functional immune support to help strengthen your body’s natural defenses.
Delicious Taste
No mushroom flavor—just smooth, rich coffee. Made with organic beans from family farms and backed by 100,000+ five-star reviews.
Tasting notes
Notes of caramel
Roast Level
Medium
Usage
30 servings/bag. Pour 1 Tbsp into a mug. Add 8 fl. oz. of hot water. Mix well and enjoy.
Caffeine level
Half-caf, 50mg
Type
Instant
Smooth Taste
Certified Organic
No Filler Mycelium
Plant-Based
Science-Backed
Tested For Toxins
Gluten Free
Keto
Science-Backed Ingredients
Good coffee in an instant? We’ve got you covered. High quality organic Arabica coffee beans are spray dried so you can have a delicious, smooth blend in a fraction of the time it takes to brew a cup. This instant coffee tastes like coffee because it IS coffee.
Energy
Focus
This mushroom takes after its name with a fierce brain-powering boost to keep you sharp and energized. We extract our lion’s mane from log-grown fruiting bodies: fully organic, with no fillers, grains or carriers.
Focus
Meet your ultimate immune system supporter. Packed with antioxidants, this mushroom helps keep your body well. Our chaga’s sustainably wildcrafted on birch trees, just as nature intended. We extract the real chaga (no mycelium, fillers or grains here) to unlock the best of the best benefits.
Immune Support
This mighty wood-grown mushroom has prebiotics and research to support smooth digestion, one sip at a time. We extract our turkey tail from log-grown fruiting bodies: fully organic, with no fillers, grains or carriers.
Immune Support
Organic log-grown reishi fruiting body extract. A.K.A. Queen of mushrooms. But don’t worry, no royal status needed to enjoy the benefits of this stress-supporting super mushroom. (Royalty doesn’t believe in filler grains).
Stress Relief
These mighty mushrooms are known for their support of energy and endurance. Our cordyceps are vegan and organically grown with no mycelium or filler grains to ensure the highest level of quality.
Energy
Endurance
Proven vitamin for energy, no IV required.
Energy
Endurance
The only probiotic we trust in our coffee because these 500 million CFU of Bacillus subtilis (DE111®) will survive 5 minutes in boiling water, dissolves easily in water and are heavily researched.
Gut Health
Digestion
A creamy, milky element and for this blend all you have to do is add water to make the coconut-based creamy latte of your dreams, no dairy needed.
Healthy Fats
This powerful Peruvian tuber is prebiotic-rich and supports a healthy microbiome so your gut can do its thing.
Prebiotic Fiber
Over
200M+ 200M+
Cups of Four Sigmatic served
& thousands of lives changed
Don't just take our word for it
Formulated to change your day
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and Start feeling the benefits
Four Sigmatic vs
Regular Coffee
Coffee Made Smarter™
Coffee Quality
Premium Arabica
Low Quality
No jitters
Positive Mood
Gut support
Less acidic
USDA Organic
100% real mushroom
We only use the fruiting body extracts, no cheap mycelium.
No mushroom, no benefits
Mushroom Legacy Beyond a Decade
Finnish Funguys
- Founded by a 13th-gen farmer Tero Isokauppila and team of Finnish Funguys
- After years of perfecting, Mushroom Coffee was born!
- From freezing Finland to sunny California, we made the leap
- Tero’s book 'Healing Mushrooms' became an Amazon bestseller
The Shroom Boom starts
- Team grows; three offices later, we plant roots in Venice, CA.
- Mushroom Coffee becomes a sensation. Beloved by podcast giants and a-list celebs
- Shroom Rooms spore up in Venice, CA, and Soho, NY to serve FREE mushroom coffee
- Tero’s third book, 'Healing Adaptogens,' is yet another Amazon hit
200 Million Cups Sold
- Find Mushroom Coffee at thousands of U.S. stores like Whole Foods and Sprouts
- A #1 bestseller on Amazon, giving the best coffee brands a run for their beans
- It’s official! We’ve served over +200 million cups of coffee
- And stay tuned, because there’s so much more brewing...
