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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
Physician, New York Times Bestselling Author
“Reishi, lion’s mane, chaga and cordyceps mushrooms contain powerful properties”
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Brews in Action
Frequently asked
Functional mushrooms like Lion’s Mane, Chaga, and Reishi provide a range of benefits, from enhanced focus and mental clarity to gut health and calm. When paired with coffee, these mushrooms create a well-rounded beverage that energizes while supporting -overall well-being—perfect for starting your day or staying grounded.
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.
Yes, Mushroom Coffee is made with organic Arabica coffee. It’s infused with functional mushrooms to elevate your coffee routine without compromising on taste.
Yes! It’s designed to be part of your daily routine, offering a natural and consistent way to support your focus and overall health.
Absolutely! Four Sigmatic products are USDA-certified organic, use real mushroom fruiting bodies (not mycelium), and are free from fillers, artificial flavors, and toxins.
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!
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.
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.
