
FOUR SIGMATIC
Specialty
Mushroom coffee pioneer
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Location
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The brand that made mushroom coffee a category
Four Sigmatic made mushroom coffee a category. Before them it was a thing you ordered from a supplement site; after them it was on shelves.
The range splits sensibly. Ground coffee with lion's mane for people who want a pot in the morning, instant for people who want a cup at a desk, and a caffeine-free reishi elixir for the end of the day.
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Brand Values & Honors

In their own words...
FOUR SIGMATIC
Being first usually means being beaten later on taste or price. Four Sigmatic held on because the ground coffee is actually coffee, not a powder pretending. If you own a grinder and a kettle and have no intention of giving either up, this is the one that fits without argument.
The Calm elixir is the sleeper. No caffeine, reishi, and it belongs in the evening rather than the morning. Easy to miss when everything around it is a coffee.











