Four Sigmatic Mushroom Coffee Review 2026: Legit or Overhyped?
Our Assessment
OVERHYPEDFour Sigmatic Mushroom Coffee is a blend of coffee with added mushrooms, claimed to improve focus and support gut health. The evidence for these benefits is limited, and the product uses a proprietary blend to hide specific doses.
Bottom line: It's a coffee blend with mushrooms, but benefits are overstated.
What Is Four Sigmatic Mushroom Coffee?
A coffee blend with added mushroom extracts for cognitive benefits
Claims vs Evidence
MODERATE| Claim | Based On | Reality Check |
|---|---|---|
| "improve focus" | Lion's Mane, Chaga | ~ Partial — May help focus, evidence is mixed |
| "support gut health" | Chaga | ⚠ Stretch — Limited evidence for gut health |
Ingredients
Lion's Mane
AI onlyMay support nerve growth factor (NGF). Some evidence for mild cognitive benefits and mood support.
Research-backed dose: 500-3000mg daily
In this product: not specified
Chaga
Chaga (Inonotus obliquus) is a mushroom that grows on birch trees. Contains antioxidants and beta-glucans. May support immune function, but human clinical evidence is limited.
Research-backed dose: 1000-3000mg daily (extract)
In this product: not specified
Price & Value
⚠ High MarkupFour Sigmatic Mushroom Coffee
$15.99
Alternative
High markup for basic coffee with added mushrooms
Red Flags
- •MLM/multi-level marketing structure
Research sources: PubMed · Examine.com
Analyzed product: https://us.foursigmatic.com/products/mushroom-coffee-think
Analysis generated: 2026-02-05 · Engine v1.0.0