100,000+ Five Star Ratings
the biggest sale of the year
Sip More, Save More—Up to 50% Off
As daylight fades, embrace the season of darkness with bestselling mushroom coffees for focus, gut health, and calm.
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Trusted by Experts and Performers
Joe Rogan
Comedian, Host of The Joe Rogan Experience
“I drink Four Sigmatic Lion’s Mane all the time... It actually tastes great, and it’s damn good for you... just a whole lot of power. Their company is F***ing slick.”
Rich Roll
Ultra-Endurance Athlete, Host of The Rich Roll Podcast
"My morning go-to when I need to get up, go, and keep going."
Dr. Mark Hyman
Co-Founder of Function Health, New York Times Bestselling Author
“Reishi, lion’s mane, chaga and cordyceps mushrooms contain powerful properties”
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Mushrooms with benefits
Taste the Transformation
Focus
Energy
Vibes
Health
Daily Immune Health
Mind
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+100k verified 5-star reviews
Don't just take our word for it
Frequently Asked Questions
Does it taste like mushrooms?
Despite the name, it doesn’t taste like mushrooms! Instead, it offers a smooth, rich flavor reminiscent of a classic dark roast coffee with subtle notes of dark chocolate. With over 100,000 5-star reviews, customers rave about the taste, enjoying the benefits without compromising their coffee experience.
Are these magic mushrooms?
Some might call the way they make you feel magic, but rest assured, these mushrooms are not psychedelic!
Is membership free?
Yes, membership is absolutely free! It's an unbeatable deal—no risk, no commitment, and you can cancel anytime.
Where should I start?
We recommend starting with our bestselling Think mushroom coffee with Lion’s Mane for focus and clarity. And with Black Friday around the corner, you can get it at the best deal ever!
Do you offer a money-back guarantee?
Absolutely! We offer a 60-day money-back guarantee, no questions asked.
Is the founder of the company Swedish?
Nope! The founder, Tero Isokauppila, is Finnish.
We don’t just put mushrooms in our coffee for the sake of it; our blends are packed with 100% organic mushrooms to give you focus, calm, and gut health—without the crash.
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us vs regular coffee
premium coffee with real benefits
Coffee Quality
No jitters
Positive Mood
Gut support
less acidic
organic
100% real mushroom
Premium Arabica
We only use the fruiting body extracts, no cheap mycelium.
Regular Coffee
Low Quality
No mushroom, no benefits
Coffee Quality
No jitters
Positive Mood
Gut support
less acidic
organic
100% real mushroom
Premium Arabica
We only use the fruiting body extracts, no cheap mycelium.
Regular Coffee
Low Quality
No mushroom, no benefits
From the Finnish countryside to your kitchen
For 11 years, Four Sigmatic has been serving up mushroom and adaptogen packed blends to improve your life. But our roots go back even further, all the way to WWII in Nordic land rich with lakes, forests, and lots of mushrooms.
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Free shipping on orders over $30
60-day Money Back Guarantee