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Four Sigmatic

Mushroom Coffee K-Cups

Nootropic-enhanced dark roast pods designed for sustained mental clarity and gut health.

Full manufacturer title

Four Sigmatic Mushroom Coffee K-Cups | Organic Dark Roast Coffee with Lion’s Mane Mushroom Powder & Yacon | Focus & Immune Support | Vegan & Keto | Sustainable Pods | 24 Count Focus Original 24 Count

Typical price

$36

Buy on Amazon

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Four Sigmatic Mushroom Coffee K-Cups | Organic Dark Roast Coffee with Lion’s Mane Mushroom Powder & Yacon | Focus & Immune Support | Vegan & Keto | Sustainable Pods | 24 Count Focus Original 24 Count (Pack of 1) image 1

Ravvy verdict

89.6 / 100

Buyers seeking a jitter free cognitive boost should choose this blend if they are willing to pay a premium for high quality mushroom extracts and convenience.

Best for
productivity focused professionals and keto enthusiasts
Buy it if
You want clean focus without typical caffeine jitters.
Skip it if
You are budget conscious shoppers looking for bulk caffeine.
Best alternative
Nespresso Vertuo, Double Espresso Chiaro, 30-Count Espresso Coffee Pods (Latte lovers who want a strong espresso base that remains smooth when mixed with milk.)

How it scores on what matters

  • Convenience98.0
  • Ingredient Purity95.0
  • Cognitive Support92.0
  • Flavor Profile86.5
  • Value for Money72.0

Ravvy factor scores, 0 to 100, derived from specs, owner reviews and category norms.

What it is

Four Sigmatic takes a standard dark roast and fortifies it with Lion's Mane mushroom and Yacon root to create a functional beverage that aims to bridge the gap between energy and wellness. Unlike typical high caffeine pods that can lead to afternoon crashes, this blend focuses on steady cognitive performance. The use of organic Honduran beans provides a smooth, low acid base that masks the earthy notes of the mushroom extracts effectively. The convenience of the K-Cup format makes this an easy upgrade for office workers or home users who want the benefits of adaptogens without the mess of measuring powders. While the price per pod is higher than traditional coffee, the addition of high quality fruiting body extracts and prebiotics offers a multi functional approach to a morning routine. It is a solid choice for those who prioritize ingredient purity and dietary compatibility, such as Keto or Vegan lifestyles.

Ravvy AI insight

When comparing this to standard coffee, the 100mg caffeine content is modest, but the Lion's Mane serves to smooth out the stimulant effect for better concentration. Look for the 'fruiting body' distinction on the label, as this indicates a higher concentration of active nutrients compared to cheaper mycelium based alternatives. If you are sensitive to coffee acidity, the high altitude Honduran beans used here are naturally gentler on the stomach.

Generated from owner feedback, product specs, pricing, and retailer data. Last updated Aug 20, 2026.

What owners praise

  • Clean focus without typical caffeine jitters
  • Uses nutrient dense mushroom fruiting bodies
  • Low acid profile is gentle on the digestive system
  • USDA Organic and Fair Trade certified beans
  • Convenient K-Cup format for quick brewing
  • No mushroom aftertaste in the dark roast profile

What to know first

  • Higher price point per serving than standard pods
  • Dark roast may be too bold for light roast fans
  • Requires a Keurig compatible machine

Specifications

UPC
816897022175
GTIN
816897022175
Units
24 Count
Flavor
Focus Original
Variety
Mushroom Coffee
Diet Type
Gluten Free, Keto, Vegan
Item Form
Capsule
Specialty
Certified Organic, GMO Free, Gluten Free, Single Origin, Vegan
Brand Name
Four Sigmatic
Unit Count
24 Count
Coffee Type
Coffee Machine Insert
Item Volume
48 ml
Item Weight
2 g
Manufacturer
Four Sigma Foods Inc
Container Type
Box
Item Type Name
Four Sigmatic Mushroom Coffee K-Cups, Organic and Fair Trade Coffee with Lions Mane, Chaga, & Mushroom Powder, Focus & Immune Support, Paleo, 24 Count
Each Unit Count
24
Item Dimensions
4.72 x 2.36 x 0.5 inches
Number of Items
1
Certificate Type
USDA Organic
Number of Pieces
24
Region of Origin
Los Angeles, California
Coffee Blend Name
Four Sigmatic Lion's Mane Dark Roast
Package Size Name
24 Count
Coffee Roast Level
Dark Roast
Product Dimensions
4.72 x 2.36 x 0.5 inches; 0.07 ounces
Product Shelf Life
730 days
Item Package Weight
0.37 kg
Special Ingredients
Organic Lion's Mane, Organic Yacon
Allergen Information
Mushroom
Age Range Description
18+
Sweetness Description
not sweet
Caffeine Content Description
Caffeinated
Caffeine Content Per Serving
100 milligrams
Branded Coffee Machine Insert Type
k_cup

How to get the most out of it

Maximize Flavor Extraction

Use the 8 ounce setting on your brewer to maintain the richness of the dark roast. Using a larger setting can dilute the functional benefits and result in a watery taste.

Ownership tips

tip

Store for Freshness

Keep the pods in a cool, dark pantry rather than on the counter. While the pods are sealed, extreme temperature fluctuations can affect the potency of the mushroom extracts over time.

care

Machine Maintenance

Because these pods contain fine mushroom powder and Yacon, ensure you run a water only cleansing brew once a week. This prevents any fine sediment from settling in your machine's needle.

Frequently asked questions

Does this coffee actually taste like mushrooms?

No, the dark roast Honduran beans provide a bold, chocolatey flavor that masks the mushroom powder. Most users report it tastes like high quality premium coffee with a very slight earthy finish.

How much caffeine is in each pod?

Each pod contains approximately 100mg of caffeine, which is comparable to a standard 8 ounce cup of coffee. The addition of Lion's Mane is intended to help focus that energy more effectively.

Are these pods compatible with all Keurig machines?

These are standard K-Cup pods designed to work with Keurig 1.0 and 2.0 machines, as well as most third party brewers that accept standard sized capsules.

Is there sugar or sweetener in this blend?

There is no added sugar. While it contains Yacon root for prebiotic benefits, it does not add significant sweetness to the coffee, maintaining a traditional dark roast profile.

Where can you buy the Mushroom Coffee K-Cups?

Mushroom Coffee K-Cups is sold through Amazon, and Four Sigmatic also lists it through its own site and major retail partners. The buy link on this page goes straight to the current Amazon listing, which is where stock and pricing update most often.

How much does the Mushroom Coffee K-Cups cost?

The last price Ravvy recorded was $36. Retail pricing on coffee & espresso moves with promotions and stock, so treat that figure as a reference point and check the live listing before you buy.

How do you get the Mushroom Coffee K-Cups for a cheaper price?

Three tactics work best: watch for holiday and seasonal sale events when coffee & espresso discounts run deepest, compare the open box or renewed listing against new stock, and check whether Four Sigmatic is running a coupon or bundle. Adding the product to your Ravvy wishlist keeps it handy so you can revisit the listing when prices drop.

Is the Mushroom Coffee K-Cups in stock right now?

It was in stock at our last check. Availability on popular coffee & espresso can change within hours, so the live listing is the source of truth.

Is the Mushroom Coffee K-Cups worth it?

Ravvy scores it 89.6 out of 100. The strongest argument for it is clean focus without typical caffeine jitters. The trade off to weigh is higher price point per serving than standard pods.

Who should buy the Mushroom Coffee K-Cups?

It fits productivity focused professionals and keto enthusiasts If that does not describe your situation, compare it with the other options in Coffee & Espresso before committing.

What are the key specs of the Mushroom Coffee K-Cups?

UPC: 816897022175. ASIN: B0883VBNHC. GTIN: 816897022175. Size: 24 Count (Pack of 1).

What are good alternatives to the Mushroom Coffee K-Cups?

Compare it against the other scored picks in Coffee & Espresso on Ravvy. We rank every option in that group by the same criteria, so you can see which model wins on value, quality, and owner sentiment before you decide.

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