Coffees
Proteins
Supplements
Original Mushroom Coffee - Instant
Best used for:
FOCUS
ENERGY
MOOD
Pack Size
+200M Cups of Four Sigmatic Sold
60-day Money Back Guarantee
Ships within 24 Hours Mon-Fri
Product Description
Organic instant coffee powered by lion’s mane mushrooms and prebiotic yacon. See results in as little as 7 days with a focus that tastes unbelievably delicious.
How to use & taste
Pour 2.5 G into a cup. Fill with 200 ml of hot (not boiling) water. Stir allowing to fully dissolve.
Benefits
Stabilize your stress levels, sustained energy with half the caffeine, and a mood-boosting coffee experience you’ll love.
Learn More
Ingredients
Shipping & Returns
Shipping
We offer standard shipping across most European countries, including the EU, UK, EEA, and select non-EU regions. Free shipping on orders €60.00 and up
Flat standard shipping fee for orders under €60.00
Returns & Refunds
- Not happy with your order? No worries!
- 60-day money-back guarantee on all purchases
- Refunds cover the product price only (shipping costs are non-refundable)
Simply email us at support@foursigmatic.com to get started
Need help? Our Consumer Support Team is here for you!
Frequently Asked Questions
Real Premium Coffee. Smarter Benefits
Delicious Taste
Forget bitter or artificial flavours this is real coffee. Grown on organic family farms, our beans are small-batch roasted for a smooth, rich taste you’ll look forward to every morning.
Steady Energy, No Jitters
With half the caffeine of a regular cup, Achieve Coffee keeps you energised without the highs and lows. The secret? Functional mushrooms that help balance your body’s natural stress response.
That means no shaky hands, no racing heart — just calm, focused energy that lasts all day.
Sharper Focus & Positive Mood
Every scoop is infused with Lion’s Mane mushroom, used for centuries to support brain function and memory. Pair that with the natural mood-lifting effects of coffee, and you’ve got a daily ritual that makes you feel clear, productive, and uplifted.
Customers often tell us: “I didn’t just feel awake — I felt sharp and ready to tackle the day.”
Stress Support
Life doesn’t get less stressful but your body can get better at handling it. That’s where Chaga and adaptogens come in. These natural stress stabilisers help you stay grounded, even when your day is hectic.
🌱 Science-backed, natural, and safe to drink every day.
Tasting Notes
Notes of caramel
Caffeine Level
65 mg caffeine
Usage
Stir 1 1/2 tsp in hot water instantly
Roast
Medium Roast
Type
Instant
Science-Backed
No Sugar
No Filler Mycelium
PLANT-BASED
GLUTEN FREE
Certified Organic
Tested for toxins
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.
*Contains 50 mg caffeine, about half the caffeine as a regular cup of coffee
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.
This powerful Peruvian tuber is prebiotic-rich and supports a healthy microbiome so your gut can do its thing.
Over
200M+ 200M+
Cups of Four Sigmatic served
& thousands of lives changed
Don't just take our word for it
Four Sigmatic vs Regular Coffee
Coffee Made Smarter™
Feature
Four Sigmatic Mushroom Coffee
Regular Coffee
Focus & Energy
Lion’s Mane supports focus, energy without jitters
Jitters & crashes
Immune Support
Chaga supports immunity
✗ None
Ingredients
100% fruiting body mushroom extracts (no fillers, no mycelium)
✗ No mushrooms, no added benefits
Organic
Certified Organic & Tested for Toxins
Not always organic
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...
