SAVE 10%, USE CODE "BENGREENFIELD"
Ben Greenfield Special
SAVE 10%, USE CODE "BENGREENFIELD"
Ben Greenfield

BEN GREENFIELD SAYS

"Been using Four Sigmatic for awhile now. I’m impressed by the efficacies of their mushroom products."

"They have helped me to lower stress and improve my sports performance. The most impressive part is still the flavour, which is much better than the name “mushroom drink” initially implies."

Ben Greenfield

@bengreenfieldfitness

Shop Ben Greenfield Favorites

Popular Product

Medium, smooth, instant half caffeine coffee to Think

Popular Product

Lightly sweet, dairy free, before bed treat to Chill.

High dose, caffeine free, pre-workout to Perform

High dose, caffeine free, add to coffee to Defend.

High dose, caffeine free, add to coffee to Think

New Formula

Caffeine free, add to coffee or smoothies to Defend

THE ANSWER

The best of nature, made to fit your daily routines

Four Sigmatic foods are the 100 most nutrient dense, most studied foods on the planet. Our mission is to put them in more people’s hands so we can all rise to today’s challenges.

Reviews from people who don’t normally write reviews

“Reishi, lions mane,chaga and cordyceps mushrooms contain powerful properties”

Dr. Mark Hyman

Physician and New York Times bestselling author

"My Morning Routine"

Four Sigmatic's Lion's Mane is an indispensable part of my morning routine.

Chelsea Yamase

Influencer, speaker & art director

“Instrumental”

I can honestly say that Four Sigmatic adaptogens and mushroom blends have been an integral and instrumental component of my success equation.

Rich Roll

Ultra-endurance triathlete & author

Chelsea Yamase

Influencer, speaker & art director

Rich Roll

Ultra-endurance triathlete & author

Feel the difference or it’s free

MONEY-BACK GUARANTEE

Feel the difference or it’s free

We put our money where our benefits are. That’s how much we believe in our product. And if you’re not into it - totally fine. More for us.

morning coffee

MORNING ROUTINE

A better way to power up.

Coffee and Lions Mane get your brain going. Chaga can keep the stomach calm and the body well. No more sacrificing your afternoon for your morning.

EVERYDAY MAGIC™

The statements made on this website have not been evaluated by the FDA (U.S. Food & Drug Administration). The products sold on this website are not intended to diagnose, treat, cure, or prevent any disease. The information provided by this website or this company is not a substitute for a face-to-face consultation with your physician, and should not be construed as individual medical advice..