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Calm Decaf Ground Coffee
CALM
GROUND
Reishi and Chaga team up with organic medium roast coffee for serenity in every sip. Soothe your brain with a delicious decaf to de-stress.
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+200M Cups of Four Sigmatic Sold
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How to use & taste
Use 4 Tbsp of coffee per 12 fl. oz. of water in a drip coffee maker, French press, or pour-over. Enjoy a medium roast with rich notes of chocolate.
Benefits
Stress relief, sustained energy without jitters, and a mood-boosting coffee experience you’ll love.
Ingredients
Organic medium roast decaf coffee
Organic log-grown reishi fruiting body extract
Organic wildcrafted chaga extract
Frequently Asked Questions
Yes, every batch is tested in 3rd party labs for heavy metals, mycotoxins, mold, yeast and pesticides.
No! We proudly use USDA organic medium roast Peruvian decaf coffee in this coffee.
We infuse functional mushrooms into everyday products you love, to enrich your mind and your well-being. Think lion’s mane for focus, cordyceps for energy, or reishi for a sense of calm. Our brews, blends, and powders get you in a good headspace so you can focus on what matters most.
Nope. It tastes like coffee because it IS coffee.
Are these magic mushrooms? Some people may call the way they make you feel magic, but these are not psychedelic mushrooms.
The shelf life of our products is between 1-3 years depending on the product! Check the bottom of the bag for a specific expiration date!
Mindfullness, stress relief and long-term positive mood (And who doesn’t need more of that).
Real Premium Coffee, Delicious Taste
Stress Relief
Stress is part of life, but there are things we can do and add to our routine that help manage it so it doesn’t impact our brain and body functioning. Adaptogens, like reishi and chaga, help you adapt to those everyday stressors.
No Jitters
Stay calm and focused with sustained energy—no jitters, no crashes.
Positive Mood
Brew happiness. Studies show daily coffee consumption supports a healthy mood.
Swiss Water® Process
We take organic Arabica green coffee beans from a Peruvian co-op of small farm holders, and use a process called Swiss Water® Process, an eco-friendly, chemical-free way to gently remove caffeine from coffee beans. This leaves us with the same high-quality coffee that tastes like coffee because it IS coffee, minus the caffeine.
Delicious Taste
No mushroom flavor here—just rich, classic coffee. With organic beans from family farms and 100,000+ 5-star reviews, it’s a crowd favorite.
Roast
Medium Roast
Type
Ground
Tasting Notes
Notes of nuts
Caffeine Level
Decaf
Usage
Pre-ground and ready to use in a drip coffee maker, French press, or pour-over
Science-Backed
No Sugar
No Filler Mycelium
Plant-Based
Gluten Free
Certified Organic
Tested For Toxins
Keto
Science-Backed Ingredients
We take organic Arabica green coffee beans from a Peruvian co-op of small farm holders, and use a process called Swiss Water® Process, an eco-friendly, chemical-free way to gently remove caffeine from coffee beans. This leaves us with the same high-quality coffee that tastes like coffee because it IS coffee, minus the caffeine.
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).
Calm
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
Over
100M+ 100M+
Cups of Four Sigmatic served
& thousands of lives changed
Don't just take our word for it
Formulated to change your day
Subscribe to Four Sigmatic
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...
