The benefits of Reishi mushroom

Learn why you want the Queen of Mushrooms herself in your daily evening routine.


Get 10% off your first order

ground lion's mane coffee


Benefits of mushroom coffee

Get ahead of the curve with a crash-free cup of coffee.

chaga mushroom


Deepdive on Chaga

Ready for sustainable immune support, any time? Meet your bodyguard, Chaga. 

tero with shiitake

Fruiting bodies

Why you need the fruiting bodies of functional mushrooms

Four Sigmatic only uses organic log-grown fruiting body extracts of functional mushrooms. This is exactly why we never use mycelium.

Four Sigmatic

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..