Four Sigmatic discloses more overall — based on ingredient quality, transparency, value, and trust signals.
Higher overall score
0.0
/10Limited Disclosure
Key information such as beta-glucan content is not publicly available.
This score reflects disclosure completeness — not a verdict on product quality.
Scored: May 2026
0.0
/10Insufficient Data
Minimal public information available to assess this product independently.
This score reflects disclosure completeness — not a verdict on product quality.
Scored: May 2026
Score breakdown by dimension
Four SigmaticDimensionLondon Nootropics
Ingredient Quality35%
5.8▲
0.0
Transparency30%
3.3▲
0.0
Value20%
2.0
2.0
Trust10%
3.0
3.0
Consumer Experience5%
7.0▲
5.0
Key facts
Four SigmaticFactLondon Nootropics
water_extractExtraction methodunspecified
fruiting_bodyMushroom sourceunspecified
—Beta-glucan %—
Not disclosedBeta-glucan verifiedNot disclosed
Not disclosedCOA availableNot disclosed
YesOrganic certifiedNot disclosed
4.4 (200 reviews)Trustpilot score4.8 (240 reviews)
£1.50Price per serving£1.00