Erbology discloses more overall — based on ingredient quality, transparency, value, and trust signals.
Higher overall score
0.0
/10Partially Documented
Some evidence provided but notable gaps remain.
This score reflects disclosure completeness — not a verdict on product quality.
Scored: June 2026
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
Score breakdown by dimension
ErbologyDimensionFour Sigmatic
Ingredient Quality35%
5.8
5.8
Transparency30%
6.7▲
3.3
Value20%
4.0▲
2.0
Trust10%
9.0▲
3.0
Consumer Experience5%
5.0
▲7.0
Key facts
ErbologyFactFour Sigmatic
whole_powderExtraction methodwater_extract
fruiting_bodyMushroom sourcefruiting_body
7%Beta-glucan %—
YesBeta-glucan verifiedNot disclosed
YesCOA availableNot disclosed
YesOrganic certifiedYes
4.4 (890 reviews)Trustpilot score4.4 (200 reviews)
£0.40Price per serving£1.50