Four Sigmatic

Four Sigmatic pioneered the category of functional mushroom coffee and remains its most recognized name. The brand was built on a straightforward idea: the plants and fungi that have supported human health for thousands of years belong in your daily routine, not just in supplement capsules. By combining premium organic coffee with lion's mane, chaga, reishi, and other medicinal mushrooms, Four Sigmatic created a format that is easy to use, genuinely effective, and actually enjoyable to drink.

Every product is organic, free from refined sugar and artificial sweeteners, and formulated to deliver real, measurable benefit. The mushroom extracts are dual-extracted for full bioavailability, meaning you get the complete range of active compounds, not just what survives a single extraction method.

The Collection

Mushroom Coffee. Focus Coffee with lion's mane and chaga for energy, concentration, and cognitive support without the jitters or crash. Balance Half Caf with adaptogens for calm, sustained energy. Available as ground coffee, instant packets, and recyclable pods.

Plant-Based Protein. 20 grams of complete plant protein per serving with prebiotics, probiotics, greens, and functional mushrooms. Formulated for recovery, gut health, and sustained energy.

Calm Cacao. A caffeine-free hot chocolate with reishi mushroom for stress relief, nervous system support, and deep calm. A ritual for the end of the day.

Mushroom Blends. High-dose adaptogenic blends for gut health, focus, and immunity. Stir into coffee, tea, or warm water.

Frequently Asked Questions

Does mushroom coffee taste like mushrooms?
No. Four Sigmatic mushroom coffee tastes like coffee. The mushroom extracts are flavorless at the doses used and blend seamlessly into the coffee. Most people cannot detect any difference in taste from conventional coffee.

What does lion's mane do?
Lion's mane is the most studied functional mushroom for cognitive support. Research suggests it promotes nerve growth factor production, which supports memory, focus, and neurological health. It is the primary mushroom in Four Sigmatic's Focus Coffee for this reason.

What does chaga do?
Chaga is a medicinal mushroom with one of the highest antioxidant profiles of any food. It supports immune function, reduces oxidative stress, and contributes to the sustained, crash-free energy that distinguishes Four Sigmatic coffee from conventional coffee.

How is Four Sigmatic different from just adding mushroom powder to coffee?
Four Sigmatic uses dual-extracted mushroom extracts, not raw mushroom powder. Dual extraction uses both water and alcohol to pull the full spectrum of bioactive compounds from the mushroom. Raw powder delivers far fewer active compounds and is significantly less bioavailable.

Explore our full herbal supplements collection, browse our Pantry Edit, or read our guide on how to boost energy and vitality naturally at M.S Skincare.