ProteinBenchMethodology

Nature ValleyProtein Chewy Bar

Peanut Butter Dark Chocolate, protein bar

Bench Facts

Serving size1 bar
Per serving
Protein10 g
Cost$0.72
MeasuresRank in bars
Protein concentration21%#27 of 30
Cost per gram of protein7.2¢#2 of 30
Taste4.70#1 of 30

Rated 4.7 out of 5 by 8,839 Amazon customers; blended with 100 average ratings, that’s a taste score of 4.70.

Nutrition Facts

15 servings per 15-count box (21.3 oz)

Serving size1 bar

Amount per serving

Calories190
Total Fat12 g
Total Carbohydrate15 g
Total Sugars7 g
Protein10 g

As labeled for Peanut Butter Dark Chocolate. Source: naturevalley.com

Where the numbers come from

Price
$10.86 for 15-count box (21.3 oz) (15 servings) at Amazon, Oct 21, 2026.
Rating
4.7 out of 5 from 8,839 ratings at Amazon, Oct 21, 2026.
Nutrition
naturevalley.com
Research notes
Research notes

Protein from roasted peanuts, soy protein isolate and whey protein concentrate. Nutrition from the brand page's panel, which gives the serving as '1 bar' with no gram weight (the 15-count box is 21.3 oz, about 1.42 oz per bar); the same page's description text says 200 calories, the panel says 190. Price is Amazon's current one-time price (sold by Amazon.com), no deal badge or Typical price shown.

How it compares

Against the typical bar, the best bar on each measure, and chicken breast.

Protein concentration

Share of calories from protein. Higher is better.

Cost per gram of protein

What one gram of protein costs at regular retail price. Lower is better.

Shorter is cheaper.

Taste

Customer rating out of 5, adjusted for review count. Higher is better. Axis starts above zero.