The Best Mushroom Coffee, WIRED Tested and Reviewed (2025)

Photograph: Pete Cottell

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Four Sigmatic Organic Coffee for $20: Four Sigmatic was founded about a decade ago by Finnish-American bohos who had the prescience to market mushroom coffee to woo-woo Angelenos who are rich enough to disregard science. Its catalog is expansive and includes a whole constellation of mushroom-infused ingestibles, with bagged, preground coffee serving as the flagship product alongside instant latte mixes, smoothie add-ins, and “capsules.” Buying from Four Sigmatic…