Four Sigmatic: Shop the original mushroom coffee

Product Details

Four Sigmatic Calm Instant Coffee packets offer a convenient way to enjoy a balanced cup of coffee. This organic instant Arabica coffee is infused with reishi and chaga mushrooms, crafted to support stress and mood.

  • Organic instant Arabica coffee with reishi and chaga mushrooms
  • Designed to promote balance and support stress and mood
  • Available in convenient packets, with multiple pack size options
  • Part of Four Sigmatic's original mushroom coffee collection

Customer Reviews (4.8 / 5 · 5 reviews)

Hazel ★★★★★

The reishi and chaga actually come through in a subtle earthy way, not weird at all, and it’s smooth enough to drink black. I’ve been grabbing one of these packets before my afternoon slump hits and it feels like a calm focus instead of the jittery rush.

Joseph L. ★★★★★

I wasn't expecting much from a packet coffee, but this one brews up surprisingly clean with no bitter aftertaste, and the mushroom blend gives it a mellow calm that lasts through my morning meetings. The organic instant Arabica base is smooth enough to drink black, which is a win for me. These littl

Emily O. ★★★★★

The reishi and chaga really smooth out the caffeine edge—I feel focused but not jittery, even on an empty stomach. Kept a few packets in my desk drawer and it's become my afternoon ritual.

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