Four Sigmatic Lion's Mane Coffee
Four Sigmatic
Where to Buy
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Lowest recorded price
$15
foursigmatic

Our Take
Four Sigmatic lion's mane is the consumer-friendly lion's mane mushroom extract, dual-extracted (water + alcohol) to capture both polysaccharides and triterpenes. The mushroom-coffee brand's foundational product. Real research on lion's mane for cognitive support; effect sizes are modest but real.
Pros
- Dual-extracted, both polysaccharides + triterpenes
- Four Sigmatic is a known consumer brand with quality controls
- Low cost entry into functional mushrooms
Cons
- Effect sizes for lion's mane are modest
- Daily commitment for 2-4 weeks before noticing anything
Evidence and regulatory context
Potential benefits depend on the studied population, protocol and exact product. A result for one device or ingredient does not establish the same effect for every consumer product. Our comparisons do not establish a diagnosis or an individual treatment plan.
FDA does not approve dietary supplements for safety and effectiveness before sale. An ingredient study or a supplement-label disclaimer is not FDA approval of a benefit. FDA explanation.
Specifications
type
Mushroom Coffee
servings
10 per box
mushrooms
Lion's Mane (250mg per serving)
caffeine
50mg per serving
certifications
USDA Organic, Vegan
Recorded prices and retailer links
As an eBay Partner Network Affiliate, I earn from qualifying purchases.
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