70 offers ranked · median $1.49 a ounce · checked Oct 12, 1:54 PM ET
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PriceCrow compares available Amazon listings for protein whey, converts compatible package sizes to price per ounce, and sorts the results from lowest unit cost upward. This comparison uses current or recently cached Amazon data and may not include every listing, coupon, shipping charge, or Prime offer.
No. This page divides each price by the weight of the powder, so it compares ounces of powder, not grams of protein. Protein content varies by product type: whey protein concentrate ranges from 25% to just under 90% protein, whey protein isolate is at least 90%, and mass gainers are mostly carbohydrate. Dymatize Super Mass Gainer, for example, lists 52 g of protein in a 333 g serving, about 16%. That is why a gainer can sort near the top here while giving you less protein per dollar.
Open the listing on Amazon and find the Nutrition Facts or Supplement Facts panel. Multiply the grams of protein per serving by the servings per container, then divide the price by that total. A $60 tub with 70 servings of 25 g holds 1,750 g of protein, which works out to about 3.4 cents per gram, or $3.43 per 100 g. Run that math on the few cheapest listings here before you buy.
Compare the same powder across tub sizes first. When Amazon returns more than one size, the larger tub of the same product often costs less per ounce, and this list shows the sizes side by side. Then check protein per serving so the cheaper ounce is also the cheaper gram of protein. These prices may not reflect coupons or Subscribe & Save discounts.
The lowest recorded result is $0.68 per ounce (54% below the median) — Gatorade Whey Protein Recover Bars, Chocolate Chip, 2.8 ounce bars ...
Price range: $0.68 – $56.69 per ounce across 70 offers. Median sits at $1.49.
Top brands showing: Optimum Nutrition, Muscle Milk, Body Fortress.
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54% below median
Price as of Oct 12, 1:54 PM ET · Details
51% below median
Price as of Oct 12, 1:54 PM ET · Details
49% below median
Price as of Oct 12, 1:54 PM ET · Details
49% below median
Price as of Oct 12, 1:54 PM ET · Details
47% below median
Price as of Oct 12, 1:54 PM ET · Details
43% below median
Price as of Oct 12, 1:54 PM ET · Details
35% below median
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32% below median
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30% below median
Price as of Oct 12, 1:54 PM ET · Details
