Product comparison
NOW Foods Whey Protein Powder vs Optimum Nutrition Whey Protein Powder
24 g · 30 servings
Total
Choose if…
- ✓You prioritize disclosure, certs, and readable label story.
No leader on total score
30 servings
Total
Choose if…
- ✓You care about salt/form heuristics encoded in our rubric.
Purchasing
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Choose NOW Foods Whey Protein Powder if…
- you still want to verify the latest label, price, and stock on the retailer.
Choose Optimum Nutrition Whey Protein Powder if…
- you still want to verify the latest label, price, and stock on the retailer.
Solid pick
NOW Foods 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
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.
Too close to call overall
Close callDifferences under a few points are treated as practical ties on that lane. This is editorial synthesis, not lab testing.
Decision table
- ValueTie band
- FormulaOptimum Nutrition Whey Protein Powder +18
- Label clarityTie band
- AdditivesTie band
- TransparencyNOW Foods Whey Protein Powder +20
| Metric | NOW Foods Whey Protein Powder | Optimum Nutrition Whey Protein Powder |
|---|---|---|
| Total score | 74 | 74 |
| Ingredient fit | 88 | 94 |
| Dosage plausibility | 67 | 67 |
| Formula quality | 60 | 78 |
| Additives & label (combined lane) | 72 | 72 |
| Excipient / additive burden | 72 | 72 |
| Label clarity | 72 | 72 |
| Transparency | 74 | 54 |
| Value | 60 | 60 |
| Safety | 88 | 88 |
| Form | powder | powder |
| Serving size | 24 g | 300 Grams |
| Servings / container | 30 | 30 |
| Certifications | - | - |
| Latest price on file | - | - |
Head-to-head verdict
Dead heat - pick by the lane you care about: value, label clarity, or formula.
Data confidence (catalog)
Category-adjusted decision
Where NOW Foods Whey Protein Powder leads
- NOW Foods Whey Protein Powder leads on transparency (Δ ≈ 20 pts).
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).
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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.