Kos vs Optimumnutrition
Side-by-side comparison from the public record: trust scores, score breakdowns, prices and catalog depth. Every number cites its source — the stores' own product feeds.
Optimumnutrition scores higher — 45/100 versus 38/100 for Kos. Optimumnutrition lists the deeper catalog (57 vs 55 products). Kos spans more product categories (7 vs 2).
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The records
kos.com · SUP-0194
Catalog depth14/25
Images19/20
Descriptions8/15
Pricing data10/10
On record20/20
Claimed0/5
optimumnutrition.com · SUP-1222
Catalog depth14/25
Images20/20
Descriptions15/15
Pricing data10/10
On record20/20
Claimed0/5
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Head to head
| Kos | Optimumnutrition | |
|---|---|---|
| Trust score | 38/100 | 45/100 |
| Products on record | 55 | 57 |
| Entry price | $3.49 | €1.99 |
| Average price | $36.03 | €27.53 |
| Product categories | 7 | 2 |
Teal marks the leading value where higher is objectively better. Prices are positioning, not a ranking. Source: public product feeds, 2026-07-29.
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Full records