Protein bars, label by label
Compare popular protein bars by serving size, added sugar, sodium, saturated fat, fiber, and protein. Read their full ingredients and original labels.
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Compare the facts.
Nature Valley · 1 bar (42 g)
Start with the whole label
Protein content does not determine the grade. Our A, B, C and F grades compare added sugar, sodium and saturated fat per serving.
Different sweeteners, fibers and protein sources can affect which bar you prefer. Open an ingredient name for its profile, and check the package for allergens.
How we select these snacks
Our first ten protein bars were selected from Walmart’s protein-bar bestseller list, then checked against matching manufacturer labels. This is a retailer-based selection, not a nationwide sales ranking.
- Compare the same serving size.
- Read the ingredients as well as the protein number.
- These bars are not automatically recommendations for children or school lunchboxes.
Compare the label facts
Amounts are per label serving. Open a product for its original package, full ingredients, and evidence. A missing value stays “Not recorded.”
| Snack and serving | Grade | Total sugar | Added sugar | Fiber | Protein |
|---|---|---|---|---|---|
| Pure Protein Chocolate Deluxe1 bar (50 g) | C | 3g | 2g | 2g | 21g |
| Pure Protein Chocolate Peanut Butter1 bar (50 g) | C | 2g | 1g | 1g | 20g |
| Quest Chocolate Chip Cookie Dough1 bar (60 g) | C | 1g | 0g | 12g | 21g |
| Quest White Chocolate Raspberry1 bar (60 g) | C | 1g | 0g | 13g | 20g |
| Quest Cookies & Cream1 bar (60 g) | C | 1g | 0g | 13g | 21g |
| IQBAR Peanut Butter Chip1 bar (45 g) | C | 1g | 0g | 9g | 12g |
| IQBAR Chocolate Sea Salt1 bar (45 g) | B | 1g | 0g | 9g | 12g |
| Barebells Creamy Crisp1 bar (55 g) | C | 1g | 0g | 3g | 20g |
| Nature Valley Creamy Protein Peanut Butter Chocolate1 bar (42 g) | C | 6g | 5g | 4g | 10g |
| MET-Rx Big 100 Super Cookie Crunch1 bar (100 g) | F | 25g | 24g | 2g | 32g |
Questions about this collection
Why can a protein bar receive an F?
A bar receives F if added sugar, sodium or saturated fat reaches 20% of our standard Daily Value per serving. Protein does not cancel out that amount.
Sources and further reading
Product selections come from the package evidence linked on each snack page. Our AI-assisted label checks and independent grading rules are explained in How we rate.