Compare products
Pick up to four products to see them side by side.
| Attribute | Quest Nutrition Quest Protein Bar — Cookies & Cream | KOS Organic Plant-Based Protein — Vanilla | Isopure Whey Protein Isolate — Creamy Vanilla | Isopure Whey Protein Isolate — Unflavored |
|---|---|---|---|---|
| Type | Protein bar | Plant protein | Whey isolate | Whey isolate |
| Protein per serving | 21 g | 20 g | 25 g | 25 g |
| Cost per 20 g protein | — | — | — | — |
| Calories | — | — | — | — |
| Sugar | — | — | — | — |
| Our rating | — | — | — | — |
| Third-party tested | Not listed | Not listed | Not listed | Not listed |