ProteinBenchMethodology

Kellogg'sSpecial K Protein Cereal

Original Multi-Grain, Touch of Cinnamon, breakfast

Bench Facts

Serving size1 1/3 cup (59 g)
Per serving
Protein10 g
Cost$0.65
MeasuresRank in grocery items
Protein concentration20%#27 of 29
Cost per gram of protein6.5¢#7 of 29
Taste4.32#23 of 29

Rated 4.2 out of 5 by 85 Amazon customers; blended with 100 average ratings, that’s a taste score of 4.32.

Nutrition Facts

6 servings per 12.9 oz box

Serving size1 1/3 cup (59 g)

Amount per serving

Calories200
Total Fat1 g
Total Carbohydrate44 g
Total Sugars9 g
Protein10 g

As labeled for Original Multi-Grain, Touch of Cinnamon. Source: smartlabel.wkkellogg.com

Where the numbers come from

Price
$3.90 for 12.9 oz box (6 servings) at Amazon, Oct 21, 2026.
Rating
4.2 out of 5 from 85 ratings at Amazon, Oct 21, 2026.
Nutrition
smartlabel.wkkellogg.com
Research notes
Research notes

Made by WK Kellogg Co. Protein comes from whole grain wheat, rice and soy protein isolate, so proteinSource is plant. Nutrition is from WK Kellogg's SmartLabel page for the 12.9 oz box (GTIN 00041192102196, the same UPC as the Amazon listing; about 6 servings per container): 1 1/3 cup (59 g) of dry cereal gives 200 kcal, 10 g protein, 44 g carbs, 9 g sugar (all added) and 1 g fat. With 3/4 cup skim milk the label says 260 kcal and 16 g protein; the cereal-only column is used. Price rule: Amazon's current price (shipped and sold by Amazon.com), with no deal badge and no Typical price shown. The brand site's own reviews average 3.7 stars (435), lower than Amazon's 4.2.

How it compares

Against the typical grocery item, the best grocery item 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.