Head-to-head comparison updated for 2026. See which protein product comes out on top.
| Attribute | ||
|---|---|---|
| Brand | BulkSupplements | Naked Nutrition |
| Protein / serving | 27gBest | 25g |
| Calories / serving | 110Best | 120 |
| Fat / serving | 0gBest | 2g |
| Carbs / serving | 1gBest | 3g |
| Sugar / serving | 0gBest | 2g |
| Price / serving | $0.82Best | $1.18 |
| Price / gram protein | $0.0303Best | $0.0474 |
| Overall score | 84/100Best | 72/100 |
| Value score | 90/100Best | 55/100 |
| Purity score | 93/100Best | 93/100 |
| Protein source | Whey Isolate | Whey Concentrate |
| Sweetener | none | none |
| Certifications | GMP Certified | Non-GMO, GMP Certified |
| Dietary tags | Gluten-Free, Soy-Free | Gluten-Free, Soy-Free |
| Third-party tested | Yes | Yes |
| Buy on Amazon | Buy on Amazon |
BulkSupplements Whey Protein Isolate 90% is the value champion of the whey isolate category. At just $26.96 for 33 servings, it delivers 27g of protein per 30g scoop — a remarkable 90% protein-by-weight ratio that rivals the most expensive isolates on the market. The single-ingredient formula contains nothing but whey protein isolate: no sweeteners, flavors, colors, or fillers.
Naked Whey is the ultimate minimalist protein powder. The entire ingredient list is one item: grass-fed whey protein concentrate sourced from small US dairy farms. There are no sweeteners, flavors, colors, or additives of any kind, making it arguably the purest commercial whey protein available.
BulkSupplements Whey Protein Isolate 90% edges ahead with an overall score of 84 vs 72. For value, BulkSupplements Whey Protein Isolate 90% wins with a 90/100 value score.
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Last updated: March 2026
