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Nature Valley: how much do the labels prove?
GreenSpecs has graded 2 products from Nature Valley on the strength of the evidence behind the claims on the pack.
- Products graded
- 2
- Average GreenSpecs score
- 31/100
- Best graded
- Nature Valley Peanut Butter Dark Chocolate Protein Chewy Bar — C- 36/100
- Lowest graded
- Nature Valley Protein Chewy Bar, Peanut Butter Dark Chocolate — D- 25/100
- Assessments updated
- 7 May 2026
Source: GreenSpecs label assessments of Nature Valley products, 7 May 2026.
Where this number comes from. GreenSpecs scores the evidence a product puts in front of you: the wording of the claim, what the packaging discloses, and whether an independent certifier stands behind any of it. Each score is a GreenSpecs assessment generated by our scoring model from the product label and public claim text on the date shown. It is not a laboratory test, not a lifecycle assessment, and not a safety rating. The full method is published here.
Does Nature Valley back up its claims?
Across the 2 Nature Valley products graded so far the average score is 31 out of 100. A conventional snack. Room to improve on sourcing and packaging. That is the pattern the table below fills in, product by product.
| Product | Brand | Grade | Score | What the label proves |
|---|---|---|---|---|
| Nature Valley Peanut Butter Dark Chocolate Protein Chewy Bar | Nature Valley | C- | 36/100 | A conventional snack. Room to improve on sourcing and packaging. |
| Nature Valley Protein Chewy Bar, Peanut Butter Dark Chocolate | Nature Valley | D- | 25/100 | Just a regular snack bar. Nothing green here. |
Where Nature Valley products show up
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