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Best deal: $14.24 per kilogram (70.1% below the median) — PBfit 30 Ounce Classic Peanut Butter Powder, Powdered Peanut Butter...

Price range: $14.24 – $2,962.38 per kilogram across 47 offers. Median sits at $47.61.

Top brands showing: Optimum Nutrition, Orgain Organic, Muscle Milk.

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Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate, 6LB

Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate, 6LB

(as of 07/27/2026 00:31 EST)

$20.94 / kilogram
Total: $57.00
Prime: ❌
Six Star Whey Protein Powder Plus - Triple Chocolate, 1.82LB

Six Star Whey Protein Powder Plus - Triple Chocolate, 1.82LB

(as of 07/27/2026 00:31 EST)

$30.41 / kilogram
Total: $24.97
Prime: ✅
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