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Cheapest Whey Protein per Serving

This list is limited to products with "whey" in their own product name — we're not classifying formulas ourselves, just filtering to what the label already claims. They're ranked by cost per serving (price divided by servings per container), the number that actually determines what one scoop costs you, not the price on the tub.

New to protein powder? Read the Protein Powder Buying Guide first.

  1. 1
    Gold Standard 100% Whey - Extreme Milk Chocolate (5 lb)
    Optimum Nutrition
    Gold Standard 100% Whey - Extreme Milk Chocolate (5 lb)
    Undated snapshot $79.99 · $1.13/serving
    Cost / Serving
    $1.13
  2. 2
    Gold Standard 100% Whey - Double Rich Chocolate (5 lb)
    Optimum Nutrition
    Gold Standard 100% Whey - Double Rich Chocolate (5 lb)
    Undated snapshot $96.28 · $1.30/serving
    Cost / Serving
    $1.30
  3. 3
    Gold Standard 100% Whey - Delicious Strawberry (5 lb)
    Optimum Nutrition
    Gold Standard 100% Whey - Delicious Strawberry (5 lb)
    Undated snapshot $96.28 · $1.32/serving
    Cost / Serving
    $1.32
  4. 4
    Gold Standard 100% Whey - French Vanilla Crème (5 lb)
    Optimum Nutrition
    Gold Standard 100% Whey - French Vanilla Crème (5 lb)
    Undated snapshot $97.32 · $1.33/serving
    Cost / Serving
    $1.33
  5. 5
    Gold Standard 100% Whey - Cookies & Cream (5 lb)
    Optimum Nutrition
    Gold Standard 100% Whey - Cookies & Cream (5 lb)
    Undated snapshot $96.28 · $1.42/serving
    Cost / Serving
    $1.42
  6. 6
    100% Clear Whey Protein Isolate - Pineapple Coconut
    Ascent
    100% Clear Whey Protein Isolate - Pineapple Coconut
    Undated snapshot $28.79 · $1.44/serving
    Cost / Serving
    $1.44
  7. 7
    Gold Standard 100% Whey - Chocolate Peanut Butter (5 lb)
    Optimum Nutrition
    Gold Standard 100% Whey - Chocolate Peanut Butter (5 lb)
    Undated snapshot $99.99 · $1.47/serving
    Cost / Serving
    $1.47
  8. 8
    Ghost Whey Protein Powder, Cinnabon (5 lb)
    Ghost
    Ghost Whey Protein Powder, Cinnabon (5 lb)
    Undated snapshot $99.99 · $1.49/serving
    Cost / Serving
    $1.49
  9. 9
    Gold Standard 100% Whey - Double Rich Chocolate (2 lb)
    Optimum Nutrition
    Gold Standard 100% Whey - Double Rich Chocolate (2 lb)
    Undated snapshot $44.00 · $1.52/serving
    Cost / Serving
    $1.52
  10. 10
    Gold Standard 100% Whey - Extreme Milk Chocolate (2 lb)
    Optimum Nutrition
    Gold Standard 100% Whey - Extreme Milk Chocolate (2 lb)
    Undated snapshot $43.86 · $1.57/serving
    Cost / Serving
    $1.57
  11. 11
    Gold Standard 100% Whey - Chocolate Peanut Butter (2 lb)
    Optimum Nutrition
    Gold Standard 100% Whey - Chocolate Peanut Butter (2 lb)
    Undated snapshot $42.49 · $1.57/serving
    Cost / Serving
    $1.57
  12. 12
    100% Clear Whey Protein Isolate - Orange Mango
    Ascent
    100% Clear Whey Protein Isolate - Orange Mango
    Undated snapshot $31.99 · $1.60/serving
    Cost / Serving
    $1.60
  13. 13
    Whey Protein Isolate, Dutch Chocolate (36.32 oz)
    Sports Research
    Whey Protein Isolate, Dutch Chocolate (36.32 oz)
    Undated snapshot $49.95 · $1.67/serving
    Cost / Serving
    $1.67
  14. 14
    Gold Standard 100% Whey - Cookies & Cream (2 lb)
    Optimum Nutrition
    Gold Standard 100% Whey - Cookies & Cream (2 lb)
    Undated snapshot $50.27 · $1.86/serving
    Cost / Serving
    $1.86
  15. 15
    Gold Standard 100% Whey - Delicious Strawberry (2 lb)
    Optimum Nutrition
    Gold Standard 100% Whey - Delicious Strawberry (2 lb)
    Undated snapshot $54.03 · $1.86/serving
    Cost / Serving
    $1.86

Generated from recorded retailer price snapshots in our catalog. Prices marked "undated snapshot" have not been re-observed recently — verify the current price at the retailer before buying. Report a correction.