Protein powder ranked by price per gram of protein

14 listings · prices checked November 14, 2026 · click a heading to sort · prices exclude shipping and tax

$/100 g proteinPriceProtein (g)TypeNSF SportProductRetailerChecked
$3.87$57.991,500PlantNoNaked Pea, Chocolate, 5 lbNaked NutritionNov 14
$6.36$104.991,650WheyNoCellucor C4 Whey, Hershey's Milk Chocolate, 66 servingsCellucorNov 14
$6.67$99.991,500WheyNoAscent Whey Protein, Unflavored, 4 lbAscentNov 14
$7.20$44.99625CaseinNoAscent Micellar Casein, Chocolate, 2 lbAscentNov 14
$7.41$99.991,350WheyNoAscent Whey Protein, Chocolate, 4 lbAscentNov 14
$7.43$131.991,776WheyYesOptimum Nutrition Gold Standard 100% Whey, Double Rich Chocolate, 5 lbOptimum NutritionNov 14
$7.66$97.491,272CaseinNoOptimum Nutrition Gold Standard 100% Casein, Chocolate Supreme, 4 lbOptimum NutritionNov 14
$7.74$64.99840Whey isolateYesTransparent Labs Grass-Fed Whey Protein Isolate, Milk Chocolate, 2 lbTransparent LabsNov 14
$8.15$54.99675WheyYesBare Performance Nutrition Whey Protein, Fudge ChocolateBare Performance NutritionNov 14
$8.33$39.99480PlantNoOptimum Nutrition Gold Standard 100% Plant, Rich Chocolate Fudge, 1.8 lbOptimum NutritionNov 14
$8.80$54.97625Hydrolyzed wheyNoNutricost Hydrolyzed Whey ProteinNutricostNov 14
$9.41$103.491,100Whey isolateNoOptimum Nutrition Gold Standard 100% Isolate, Chocolate Bliss, 3 lbOptimum NutritionNov 14
$9.72$62.99648WheyNoOptimum Nutrition Gold Standard 100% Whey Naturally Flavored, Chocolate, 1.9 lbOptimum NutritionNov 14
$14.0$69.99500Whey isolateYesMomentous Whey Protein Isolate, ChocolateMomentousNov 14

Tub weight includes carbs, fat, and flavoring, so this table ranks by the protein itself: servings × grams of protein per serving, priced per 100 g of protein.

How is the protein counted?

Servings per container times grams of protein per serving, from each product's Supplement or Nutrition Facts for the flavor and size listed. Servings differ between flavors of the same tub, so other flavors can cost a little more or less per gram.

Is all protein equal?

No. Collagen lacks some essential amino acids, so it isn't a direct substitute for whey or casein. Third-party tested products are a safer choice because label claims aren't always accurate; "Yes" under NSF Sport means the product is in NSF's Certified for Sport listing at nsfsport.com.

Where do these prices come from?

Each brand's own online store, checked daily, for one flavor at the largest standard size up to about 5 lb. Models that are out of stock are left out. Retailers such as Amazon, Costco, iHerb and Walmart aren't included yet.