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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.

Pack Size:
30% OFF of first order
20% OFF on recurring orders
Lowest Price Option
Cancel Any Time
+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!
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

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

Boost of Energy

Stay energized with organic coffee and functional mushrooms like cordyceps, which enhance endurance—without compromising taste.
Gut Health

Gut Health

Each cup delivers 500 million CFU of heat-resistant probiotics to support a healthy gut.
No Jitters

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

Stress Relief

Adaptogens like reishi and chaga help your body handle stress, while lower caffeine levels keep you calm and balanced.
Immune Support

Immune Support

Chaga and turkey tail mushrooms provide functional immune support to help strengthen your body’s natural defenses.
Delicious Taste

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

Organic medium roast instant coffee
Organic medium roast instant coffee
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
Organic lion’s mane extract
Organic lion’s mane extract
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
Organic wildcrafted chaga extract
Organic wildcrafted chaga extract
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
Organic log-grown turkey tail fruiting body extract
Organic log-grown turkey tail fruiting body extract
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 reishi mushroom
Organic reishi mushroom
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
Organic cordyceps fruiting body extract
Organic cordyceps fruiting body extract
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
Vitamin B12 (333% DV)
Vitamin B12 (333% DV)
Proven vitamin for energy, no IV required.
Energy
Endurance
Probiotics - Bacillus subtilis
Probiotics - Bacillus subtilis
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
Organic coconut milk powder
Organic coconut milk powder
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
Organic yacon juice powder
Organic yacon juice powder
This powerful Peruvian tuber is prebiotic-rich and supports a healthy microbiome so your gut can do its thing.
Prebiotic Fiber

Over

200M+

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

Immediately

Enjoy a cup of coffee, full of flavor, without jitters

In a few days

Sustained energy, a softer landing throughout your day

Within 7 days

Less irritable, more focused, while still enjoying delicious coffee

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...

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