Product comparison
Optimum Nutrition Whey Protein Powder vs ProMix Nutrition Whey Protein Powder
Optimum Nutrition·ProMix Nutrition
30 servings
Total
Choose if…
- ✓You prioritize disclosure, certs, and readable label story.
- ✓You care about salt/form heuristics encoded in our rubric.
Optimum Nutrition Whey Protein Powder leads overall
Thin race: only 5 points between totals
30 servings · Gluten Free
Total
Choose if…
- Either option is acceptable - use the table above for the lane you care about.
Purchasing
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Choose Optimum Nutrition Whey Protein Powder if…
- you want the higher overall decision score in this head-to-head.
Choose ProMix Nutrition Whey Protein Powder if…
- you still want to verify the latest label, price, and stock on the retailer.
Winner
Optimum Nutrition Whey Protein PowderPrice on file is stale or unverified—confirm on the retailer.
Price and availability may change. Check the latest price on Amazon.
Solid pick
ProMix Nutrition Whey Protein PowderPrice on file is stale or unverified—confirm on the retailer.
Price and availability may change. Check the latest price on Amazon.
Split decision - tradeoffs
Close call- Optimum Nutrition Whey Protein Powder leads on formula (Δ ≈ 18 pts).
- Optimum Nutrition Whey Protein Powder leads on ingredient fit (Δ ≈ 6 pts).
- Optimum Nutrition Whey Protein Powder leads on transparency (Δ ≈ 6 pts).
- Optimum Nutrition Whey Protein Powder leads on dosage (Δ ≈ 5 pts).
Decision table
- ValueTie band
- FormulaOptimum Nutrition Whey Protein Powder +18
- Label clarityTie band
- AdditivesTie band
- TransparencyOptimum Nutrition Whey Protein Powder +6
| Metric | Optimum Nutrition Whey Protein Powder | ProMix Nutrition Whey Protein Powder |
|---|---|---|
| Total score | 74 | 69 |
| Ingredient fit | 94 | 88 |
| Dosage plausibility | 67 | 62 |
| Formula quality | 78 | 60 |
| Additives & label (combined lane) | 72 | 72 |
| Excipient / additive burden | 72 | 72 |
| Label clarity | 72 | 72 |
| Transparency | 54 | 48 |
| Value | 60 | 60 |
| Safety | 88 | 88 |
| Form | powder | powder |
| Serving size | 300 Grams | 5lb |
| Servings / container | 30 | 30 |
| Certifications | - | - |
| Latest price on file | - | - |
Head-to-head verdict
Razor-thin margin - Optimum Nutrition Whey Protein Powder edges it; both are defensible.
Following the winner captures about +5 points on our total in this matchup.
Data confidence (catalog)
Category-adjusted decision
Rubric lift if you switch
- +18 on formula
- +6 on ingredient fit
- +6 on transparency
- +5 on dosage
Where Optimum Nutrition Whey Protein Powder leads
- Optimum Nutrition Whey Protein Powder leads on formula (Δ ≈ 18 pts).
- Optimum Nutrition Whey Protein Powder leads on ingredient fit (Δ ≈ 6 pts).
- Optimum Nutrition Whey Protein Powder leads on transparency (Δ ≈ 6 pts).
Where ProMix Nutrition Whey Protein Powder leads
- No decisive lane wins versus the other SKU in our tie bands.
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Best in this category
See how every tracked Whey Protein SKU ranks - overall, value, transparency, and certifications.
Open best Whey Protein rankingsIngredient intelligence
How this compare works
We diff the same product lanes used on SKU pages - including additive burden and label clarity - with tie bands so tiny gaps are not oversold. Open each product review for certifications, price history, and full notes.
Informational only - not medical advice, diagnosis, or treatment.