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Meet the first premium, functional, organic instant teas. Delicious options including green tea, black tea, and herbal teas infused with Lion’s Mane, Reishi, and Turkey Tail mushrooms — plus heat-resistant probiotics, adaptogenic ashwagandha, and organic botanicals like ginger, lavender, and mint — for focus, stress relief, and gut health. Delicious, effective, and easy to use, it’s the original way to sip mushroom tea with benefits.

Try two cups of each flavor (8 total servings) for FREE (just pay $4.95 shipping). Valid for new customers only. Limit one per household.

$10.00 FREE

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Product Description

How to use & taste

Benefits

Ingredients

Find Four Sigmatic in the Tea Aisle!

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Premium Instant Teas With Benefits

Calm Herbal Tea

Stress Relief — reishi mushroom & lavender powder

Delicious Taste — made with real, organic chamomile & mint

Gut Health Herbal Tea

Gut Health — 1 Billion CFUs of heat-resistant probiotics

Immune Support — turkey tail mushroom extract

Delicious Taste — made with real, organic ginger & lemon juice

Focus Black Tea

Enhanced Mental Focus — lion’s mane mushroom extract to help clear brain fog

Boost of Energy — sustained, balanced energy from gently caffeinated tea

Delicious Taste — made with real, organic tea leaves plus mint & lemon juice

Focus Green Tea

Usage Mix 1 packet with 8 fl. oz. hot or cold water and stir briskly.

Type Instant

Caffeine Level Focus Organic Green Tea: ~50mg
Focus Organic Black Tea: ~40mg

Herbalist Formulated

No Sugar

Tested For Toxins

Gluten Free

Science-Backed

Certified Organic

Plant-Based

No Filler Mycelium

Science-Backed Ingredients

Over

300M+ 300M+

Cups of Four Sigmatic served

& thousands of lives changed

Don't just take our word for it

Four Sigmatic vs
Regular Tea

Tea Made Smarter

Type

Instant Tea, free from toxic

Teabags with microplastics

Functional Mushrooms

Herbalist Formulated

Nothing artificial

Sugar-free

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...

Get a taste of our 4 delicious instant teas in one sampler Tea Variety Box for FREE