Normalized price comparison

Lowest estimated cost per 25g of protein

Q: Why not compare package price alone?

Package sizes, scoop sizes and total protein differ. Normalizing to 25g of protein makes the price basis more comparable.

Q: Is the cheapest result always the best choice?

No. Ingredients, protein type, taste, allergens and dietary fit can be more important than the normalized price.

Q: How often can the ranking change?

It can change whenever retailer pricing, package size or label data changes. Verify the checkout price before buying.

“Best value” here means the lowest calculated cost to obtain 25g of protein from the package. It is a reference calculation—not a live local quote—and excludes products without verified protein and serving-count inputs.

67 matching productsReviewed October 12, 2026

Selection method

How this shortlist is built

Cost per 25g = observed price × 25 ÷ total verified protein in the package.
Only products with verified protein and servings-per-container data are ranked.
Shipping, tax, promotions, exchange rates and stock are not included.

Read the complete comparison methodology

Comparable products

67 products match

US listing base · reference conversion

Product	Protein	Density	Calories	Sugar	25g cost	Details
Micro IngredientsOrganic Pea Protein Powder, 2.2 lb	27g	90%	120 kcal	2g	$0.84	View
NOW FoodsSports Whey Protein Isolate, Unflavored, 5 lbs	24g	86%	110 kcal	0g	$1.29	View
California Gold NutritionSport Whey Protein Isolate, Unflavored, 5 lb	27g	87%	120 kcal	0g	$1.33	View
AnimalIsolate Loaded Whey Protein Powder, Chocolate, 4 lb	25g	74%	125 kcal	1g	$1.38	View
California Gold NutritionSport Plant Protein, Brown Rice, Flax & Chia, Cinnamon Bun, 2 lb	20g	65%	120 kcal	1g	$1.52	View
Nutrex ResearchIsoFit, Chocolate Shake, 5.1 lbs	25g	76%	120 kcal	1g	$1.57	View
NutraBioWhey Protein Isolate, Strawberry Ice Cream, 5 lb	25g	83%	120 kcal	0g	$1.60	View
NutraBioWhey Protein Isolate, Creamy Vanilla, 5 lb	25g	84%	120 kcal	0g	$1.60	View
NutricostWhey Protein Isolate, Unflavored, 5 lb	30g	86%	130 kcal	1g	$1.60	View
California Gold NutritionWhey Protein Isolate, Very Vanilla, 5 lb	27g	71%	140 kcal	6g	$1.62	View
NutricostGrass-Fed Whey Protein Isolate, Unflavored, 5 lb	30g	86%	130 kcal	1g	$1.63	View
NutricostWhey Protein Isolate, Vanilla, 5 lb	30g	81%	140 kcal	not significant	$1.68	View
NutricostWhey Protein Isolate, Salted Caramel, 5 lb	30g	83%	140 kcal	1g	$1.68	View
California Gold NutritionSport Whey Protein Isolate, Dark Chocolate, 5 lb	27g	68%	150 kcal	6g	$1.71	View
NutricostWhey Protein Isolate, Mocha, 5 lb	30g	79%	140 kcal	1g	$1.74	View
Perfect SportsDiesel Vegan Plant Protein Blend, Vanilla Ice Cream, 1.5 lb	23g	66%	120 kcal	0g	$1.79	View
Perfect SportsVegan Diesel Plant Protein Blend, Chocolate Ice Dream, 1.5 lb	23g	66%	130 kcal	0g	$1.79	View
NutricostWhey Protein Isolate, Chocolate PB, 5 lb	30g	77%	150 kcal	1g	$1.80	View
EVLution Nutrition100% Isolate Protein, Vanilla Ice Cream, 5 lb	25g	83%	110 kcal	1g	$1.81	View
NOW FoodsSports Whey Protein Isolate, Creamy Vanilla, 1.8 lbs	25g	78%	120 kcal	0g	$1.82	View
NutricostGrass-Fed Whey Protein Isolate, Vanilla, 5 lb	30g	77%	140 kcal	3g	$1.82	View
Bob's Red MillHemp Protein Powder, 16 oz	12g	39%	120 kcal	1g	$1.86	View
NutricostWhey Protein Isolate, Cookies N Cream, 5 lb	30g	73%	160 kcal	2g	$1.89	View
California Gold NutritionSport Vegan Protein, Pea & Brown Rice, Vanilla, 2 lb	20g	65%	120 kcal	0g	$1.89	View
California Gold NutritionSport Whey Protein Isolate, Unflavored, 1 lb	27g	87%	120 kcal	0g	$1.90	View
NOW FoodsSports Whey Protein Isolate, Unflavored, 1.2 lb	25g	89%	110 kcal	0g	$1.91	View
NutricostWhey Protein Isolate, Unflavored, 2 lb	30g	86%	130 kcal	1g	$1.92	View
NutricostGrass-Fed Whey Protein Isolate, Unflavored, 2 lb	30g	86%	130 kcal	1g	$1.92	View
EVLution Nutrition100% Isolate Protein, Double Rich Chocolate, 5 lb	25g	78%	120 kcal	1g	$1.94	View
California Gold NutritionSport Plant Protein, Brown Rice, Flax & Chia, Chocolate, 2 lb	20g	63%	130 kcal	1g	$1.96	View
NutricostWhey Protein Isolate, Salted Caramel, 2 lb	30g	83%	140 kcal	1g	$2.00	View
Garden of LifeRAW Organic Protein, Unflavored, 1 lb 3.75 oz	22g	79%	120 kcal	0g	$2.03	View
Garden of LifeRAW Organic Protein, Vanilla, 1 lb 7.28 oz	22g	67%	130 kcal	0g	$2.03	View
Optimum NutritionGold Standard 100% Isolate, Chocolate Bliss, 3 lb	25g	81%	110 kcal	not significant	$2.05	View
NutraBioWhey Protein Isolate, Vanilla Caramel, 2 lb	25g	82%	120 kcal	0g	$2.07	View
PEScienceVegan Series Select Plant Protein, Vanilla Indulgence, 1.75 lbs	20g	68%	110 kcal	0g	$2.08	View
PEScienceVegan Series Select Plant Protein, Chocolate Bliss, 1.9 lbs	20g	63%	120 kcal	0g	$2.08	View
WellahProtein Your Whey, Whey Isolate, Vanilla, 1.8 lb	20g	74%	100 kcal	2g	$2.08	View
BareOrganicsRoasted Organic Pumpkin Protein Powder, 12 oz	9g	60%	60 kcal	<1 g	$2.12	View
Wilderness PoetsOrganic Pumpkin Seed Protein Powder, 8 oz	10g	63%	60 kcal	<1 g	$2.13	View
IsopureZero Carb Protein Powder, Unflavored, 1 lb	25g	86%	100 kcal	0g	$2.13	View
EVLution Nutrition100% Isolate Protein, Unflavored, 1 lb	25g	88%	100 kcal	0g	$2.16	View
Garden of LifeSport Certified Grass Fed Whey, Vanilla, 1 lb 7.28 oz	24g	73%	120 kcal	0g	$2.19	View
BPNVegan Protein, Peanut Butter Cookie, 1 lb 14.4 oz	22g	69%	130 kcal	<1 g	$2.21	View
IsopureZero Carb Protein Powder, Strawberries & Cream, 1.06 lb	25g	78%	110 kcal	0g	$2.21	View
California Gold NutritionSport Whey Protein Isolate, Dark Chocolate, 2 lb	27g	68%	150 kcal	6g	$2.21	View
DymatizeISO100 Hydrolyzed Whey Isolate, Gourmet Chocolate, 1.43 lb	25g	78%	120 kcal	<1 g	$2.23	View
DymatizeISO100 Hydrolyzed Whey Isolate, Chocolate Peanut Butter, 1.43 lb	25g	78%	120 kcal	1g	$2.23	View
NutivaOrganic Hemp Protein Powder, 1 lb	15g	50%	110 kcal	1g	$2.27	View
IsopureZero Carb Protein Powder, Unflavored, 2.55 lb	25g	86%	100 kcal	0g	$2.27	View
IsopureZero Carb Protein Drink Mix, Creamy Vanilla, 1.06 lb	25g	78%	110 kcal	0g	$2.27	View
Probase NutritionOrganic Pumpkin Seed Protein Powder, Unflavored, 1 lb	19g	63%	100 kcal	0g	$2.29	View
DymatizeISO100 Hydrolyzed Whey Isolate, Dunkin Glazed Donut, 1.34 lb	25g	83%	120 kcal	1g	$2.38	View
DymatizeISO100 Hydrolyzed Whey Isolate, Pebbles Birthday Cake, 1.34 lb	25g	83%	120 kcal	1g	$2.38	View
BPNVegan Protein, Vanilla, 1 lb 11.9 oz	20g	68%	120 kcal	not significant	$2.43	View
BPNVegan Protein, Chocolate, 1 lb 15.4 oz	20g	61%	140 kcal	not significant	$2.43	View
BPNVegan Protein, Oatmeal Cookie, 1 lb 11.2 oz	20g	70%	120 kcal	not significant	$2.43	View
IsopureLow Carb Protein Powder, Dutch Chocolate, 1.04 lb	25g	74%	110 kcal	0g	$2.44	View
EVLution Nutrition100% Isolate Protein, Double Rich Chocolate, 1 lb	25g	80%	100 kcal	0g	$2.47	View
Optimum NutritionPlatinum Hydro Whey, Turbo Chocolate, 3.61 lb	30g	73%	140 kcal	1g	$2.50	View
Optimum NutritionPlatinum Hydro Whey, Velocity Vanilla, 3.52 lb	30g	75%	140 kcal	1g	$2.50	View
Sprout LivingSimple Protein Pumpkin Seed, Unflavored, 1 lb	20g	62%	150 kcal	0g	$2.79	View
IsopureInfusions Protein Powder, Tropical Punch, 14.1 oz	20g	80%	90 kcal	1g	$3.34	View
Happy AgingLean Muscle Formula, Belgian Chocolate, 25.6 oz	20g	56%	113 kcal	<1 g	$3.44	View
Macrolife NaturalsMacro Meal Ultimate Protein Powder, Chocolate, 23.8 oz	25g	56%	180 kcal	2g	$3.54	View
Macrolife NaturalsMacro Meal Ultimate Protein Powder, Vanilla, 21.7 oz	25g	61%	170 kcal	2g	$3.72	View
Dr. MercolaPure Power Organic Vegan Protein, Vanilla, 1 lb 3 oz	20g	56%	140 kcal	0g	$4.31	View

Data note: A dash means the exact package label still needs verification or the input required for that calculation is unavailable. Prices are reference conversions from observed iHerb US listing prices, not live local quotes.

Clear answers

Frequently asked questions

Why not compare package price alone?

Package sizes, scoop sizes and total protein differ. Normalizing to 25g of protein makes the price basis more comparable.

Is the cheapest result always the best choice?

No. Ingredients, protein type, taste, allergens and dietary fit can be more important than the normalized price.

How often can the ranking change?

It can change whenever retailer pricing, package size or label data changes. Verify the checkout price before buying.