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| Attribute | CLIF CLIF Builders Protein Bar — Chocolate Peanut Butter | RXBAR RXBAR — Blueberry | Isopure Whey Protein Isolate — Creamy Vanilla | Isopure Whey Protein Isolate — Unflavored |
|---|---|---|---|---|
| Type | Protein bar | Protein bar | Whey isolate | Whey isolate |
| Protein per serving | 20 g | 12 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 |