Head-to-head comparison updated for 2026. See which protein product comes out on top.
| Attribute | ||
|---|---|---|
| Brand | BulkSupplements | Vega |
| Protein / serving | 27g | 30gBest |
| Calories / serving | 110Best | 160 |
| Fat / serving | 0gBest | 2g |
| Carbs / serving | 1gBest | 6g |
| Sugar / serving | 0gBest | 1g |
| Price / serving | $0.82Best | $1.28 |
| Price / gram protein | $0.0303Best | $0.0426 |
| Overall score | 84/100Best | 77/100 |
| Value score | 90/100Best | 62/100 |
| Purity score | 93/100 | 98/100Best |
| Protein source | Whey Isolate | Plant Blend |
| Sweetener | none | stevia |
| Certifications | GMP Certified | NSF Certified, Non-GMO |
| Dietary tags | Gluten-Free, Soy-Free | Vegan, Gluten-Free, Dairy-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.
Vega Sport Premium Protein is the top choice for plant-based athletes who need serious protein per serving. With 30g of protein from a four-source plant blend, it matches many whey proteins in protein content while being completely vegan. The NSF Certified for Sport designation means it is rigorously tested for banned substances, making it one of the very few plant proteins suitable for competitive athletes.
BulkSupplements Whey Protein Isolate 90% edges ahead with an overall score of 84 vs 77. For value, BulkSupplements Whey Protein Isolate 90% wins with a 90/100 value score.
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Last updated: March 2026
