New







Calm Herbal Tea
Best used for:
CALM
INSTANT
Pick your product: Calm
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Focus Black
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Focus Tea

Calm

Gut Health
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Protect
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Mood
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Product Description
Organic chamomile and mint tea powered by reishi mushroom and ashwagandha for stress-support that tastes delicious.
How to use & taste
Mix ¾ tsp with 8 fl. oz. hot or cold water and stir briskly. Berry-rich and earthy, balanced with a hint of natural sweetness. Chamomile and mint tea.
Benefits
Calm without caffeine
Learn More
Ingredients




Frequently Asked Questions
Functional mushrooms like Lion’s Mane, Reishi, and Turkey Tail provide a range of benefits, including immune support, stress relief, and mental clarity. Incorporating them into your daily routine is a natural way to nourish your body, support your mind, and enhance overall well-being.
No mushroom flavor here! Depending on the variety, Four Sigmatic Instant Teas feature delicious notes like ginger, wild berries, lemon, mint, and more—crafted to delight your taste buds.
Nope! There are no added sweeteners. Feel free to add your favorite sweetener or enjoy it as is.
Our teas dissolve instantly in hot or cold water—no bleached tea bags or microplastics are needed. It’s a clean, convenient way to enjoy your tea anytime, anywhere.
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! You can absolutely make a one-time purchase. But if you’re looking for the best value, subscribing is the way to go. You’ll get 30% off your first order, 20% off all recurring orders, and enjoy exclusive perks and benefits, including select gift items.
Our products are designed to support long-term wellness, and subscribing helps you build a consistent routine while saving more.
Absolutely! We offer a 60-day money-back guarantee, no questions asked.
Nope! The founder, Tero Isokauppila, is Finnish. Four Sigmatic was founded over 10 years ago and pioneered the mushroom coffee movement. With the support of wellness experts like Tim Ferriss, Dr. Mark Hyman, and others, Four Sigmatic has become the leader in making functional mushrooms a part of everyday routines worldwide.
Science-Backed Ingredients

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

This Ayurvedic herb is a celebrity in the adaptogen world–and for good reason. It’s been used for generations to support so many conditions we can’t fit them all here, but stress relief is one of our favorites.
Stress Relief

Chamomile and lavender are two calming herbs that make for a very relaxing ritual. Both carry a gentle nervine that helps with relaxation and aiding a sense of calm. We pre-extracted the chamomile so you can mix it straight in cold water.
Calming Blend



Over
200M+ 200M+
Cups of Four Sigmatic served
& thousands of lives changed
Don't just take our word for it



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Formulated to change your day
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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...


