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
/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
| Four Sigmatic | Dimension | Om Mushrooms |
|---|---|---|
5.8▲ | Ingredient Quality35% | 4.2 |
3.3▲ | Transparency30% | 2.2 |
2.0 | Value20% | 2.0 |
3.0 | Trust10% | ▲4.0 |
7.0 | Consumer Experience5% | 7.0 |
Key facts
| Four Sigmatic | Fact | Om Mushrooms |
|---|---|---|
| water_extract | Extraction method | whole_powder |
| fruiting_body | Mushroom source | blend |
| — | Beta-glucan % | — |
| Not disclosed | Beta-glucan verified | Not disclosed |
| Not disclosed | COA available | Yes |
| Yes | Organic certified | Yes |
| 4.4 (200 reviews) | Trustpilot score | 4.4 (310 reviews) |
| £1.50 | Price per serving | £1.67 |
Four Sigmatic vs Om Mushrooms: questions answered
Which discloses more, Four Sigmatic or Om Mushrooms?+
Four Sigmatic scores 3.92/10 and Om Mushrooms scores 3.28/10 on the Cogniscore disclosure rating. Four Sigmatic discloses more overall. The rating reflects what each brand publishes about ingredient sourcing, beta-glucan content, extraction method, dose adequacy and third-party testing. It is not a verdict on product quality or safety.
How are the Four Sigmatic and Om Mushrooms scores calculated?+
Cogniscore rates supplements across five dimensions: ingredient quality (35%), transparency (30%), value for money (20%), trust and third-party testing (10%), and consumer experience (5%). Every score comes from publicly available information, applying the rules in the published methodology. A score measures how much a brand discloses, not whether a product works.
Are Four Sigmatic and Om Mushrooms the same type of product?+
Both are scored in the Mushroom Coffee category, which is why they are compared side by side. Cogniscore only compares products within a category, so the dimensions mean the same thing for each.