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    Best Protein Powder in Australia (2026)

    Live price comparison across Australia's leading supplement retailers. Ranked by cost per serve by default — because the sticker price doesn't tell you what each scoop actually costs.

    1. #1
      Infinity Protein Energy RTD by Nexus Sports

      Nexus Sports

      Infinity Protein Energy RTD by Nexus Sports

      3 retailers compared$1.67 / 100g protein

      $4.00

      at Supplement Mart

      ~$0.33 per serve

      Compare prices
    2. #2
      Gold Standard 100% Whey

      Optimum Nutrition

      Gold Standard 100% Whey

      6 retailers compared$2.81 / 100g protein

      $49.95

      at The Supp Shop

      ~$0.68 per serve

      Compare prices
    3. #3
      R1 Protein

      Rule 1

      R1 Protein

      6 retailers compared$2.95 / 100g protein

      $55.96

      at Supplement Mart

      ~$0.74 per serve

      Compare prices
    4. #4
      Gold Standard 100% Isolate by Optimum Nutrition

      Optimum Nutrition

      Gold Standard 100% Isolate by Optimum Nutrition

      5 retailers compared$3.08 / 100g protein

      $53.95

      at ASN

      ~$0.74 per serve

      Compare prices
    5. #5
      Whey Protein Isolate

      Muscle Nation

      Whey Protein Isolate

      4 retailers compared$3.52 / 100g protein

      $29.60

      at Supps R Us

      ~$0.99 per serve

      Compare prices
    6. #6
      Vegan All-In-One Pea Protein with Superfoods by White Wolf

      White Wolf

      Vegan All-In-One Pea Protein with Superfoods by White Wolf

      5 retailers compared$6.22 / 100g protein

      $44.95

      at Healthco

      ~$1.36 per serve

      Compare prices
    7. #7
      Super Protein by Nexus Sports

      Nexus Sports

      Super Protein by Nexus Sports

      3 retailers compared$5.93 / 100g protein

      $42.70

      at Supplement Warehouse

      ~$1.42 per serve

      Compare prices
    8. #8
      Nitro-Tech Whey Gold

      MuscleTech

      Nitro-Tech Whey Gold

      5 retailers compared$5.98 / 100g protein

      $99.00

      at ASN

      ~$1.43 per serve

      Compare prices
    9. #9
      Gold Standard Casein

      Optimum Nutrition

      Gold Standard Casein

      6 retailers compared$6.18 / 100g protein

      $81.56

      at Supplement Mart

      ~$1.48 per serve

      Compare prices
    10. #10
      Super Protein Water

      Nexus Sports

      Super Protein Water

      5 retailers compared

      $44.95

      at Supplement Mart

      ~$1.50 per serve

      Compare prices
    11. #11
      Vegan Protein by Happy Way

      Happy Way

      Vegan Protein by Happy Way

      5 retailers compared

      $25.00

      at Supplement Mart

      ~$1.56 per serve

      Compare prices
    12. #12
      R1 Whey Blend

      Rule 1

      R1 Whey Blend

      7 retailers compared$6.59 / 100g protein

      $47.45

      at Supplement Warehouse

      ~$1.58 per serve

      Compare prices
    13. #13
      Casein Custard Protein

      Muscle Nation

      Casein Custard Protein

      3 retailers compared$6.66 / 100g protein

      $39.95

      at Supplement Mart

      ~$1.60 per serve

      Compare prices
    14. #14
      Golden Smooth Pea Protein by Macro Mike

      Macro Mike

      Golden Smooth Pea Protein by Macro Mike

      1 retailer compared$7.00 / 100g protein

      $38.95

      at Aussie Health Products

      ~$1.62 per serve

      Compare prices
    15. #15
      CBUM Itholate Protein

      CBUM

      CBUM Itholate Protein

      2 retailers compared$6.50 / 100g protein

      $64.95

      at Supps247

      ~$1.62 per serve

      Compare prices
    16. #16
      Happy Way Whey Protein

      Happy Way

      Happy Way Whey Protein

      3 retailers compared$6.25 / 100g protein

      $45.50

      at Supps R Us

      ~$1.63 per serve

      Compare prices
    17. #17
      Protein Water

      Faction Labs

      Protein Water

      8 retailers compared$8.24 / 100g protein

      $49.46

      at Amazon

      ~$1.65 per serve

      Compare prices
    18. #18
      Whey Isolate

      Legit

      Whey Isolate

      6 retailers compared$6.50 / 100g protein

      $57.95

      at Mr Supplement

      ~$1.76 per serve

      Compare prices
    19. #19
      Plant Protein

      Macro Mike

      Plant Protein

      4 retailers compared$7.06 / 100g protein

      $52.95

      at Supp Society

      ~$1.77 per serve

      Compare prices
    20. #20
      Syntha-6 Edge

      BSN

      Syntha-6 Edge

      6 retailers compared

      $85.40

      at Supps R Us

      ~$1.78 per serve

      Compare prices
    21. #21
      Peanut Plant Protein by Macro Mike

      Macro Mike

      Peanut Plant Protein by Macro Mike

      6 retailers compared

      $43.96

      at Supplement Mart

      ~$1.83 per serve

      Compare prices
    22. #22
      Protein Water

      Emrald Labs

      Protein Water

      3 retailers compared$7.64 / 100g protein

      $37.90

      at Elite Supps

      ~$1.90 per serve

      Compare prices
    23. #23
      Genetix Lean Dessert

      Genetix Nutrition

      Genetix Lean Dessert

      2 retailers compared$7.91 / 100g protein

      $47.45

      at Supplement Warehouse

      ~$1.90 per serve

      Compare prices
    24. #24
      Genetix Lean Whey

      Genetix Nutrition

      Genetix Lean Whey

      3 retailers compared$5.91 / 100g protein

      $47.45

      at Supplement Warehouse

      ~$1.90 per serve

      Compare prices
    25. #25
      ISO100 Hydrolyzed Whey Protein Isolate

      Dymatize

      ISO100 Hydrolyzed Whey Protein Isolate

      3 retailers compared

      $83.96

      at Supplement Mart

      ~$1.95 per serve

      Compare prices

    Cheapest

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    mass gainers

    Cheapest

    protein water

    How we rank protein powder

    The Supp Hub is an independent price-comparison aggregator — we don't sell stock, so the ranking isn't influenced by which retailer pays us. Default sort is cost per serve (total price divided by servings per container). For whey buyers chasing the cheapest gram of protein, the cost per 100g of protein sort uses the label's protein per serve to normalise across products of different concentrations.

    What to look for when buying protein powder

    • Protein per serve: 20–25g is the standard for whey isolates and concentrates; vegan blends sit at 18–22g.
    • Cost per 100g of protein: the only number that lets you compare a 1kg whey isolate against a 2kg concentrate fairly.
    • Sweetener and additives: sucralose vs stevia vs unflavoured matters more for tolerance than for performance.
    • Third-party testing: Informed Sport / NSF certification matters if you're a tested athlete — we surface these badges on each product page.

    Prices are pulled from retailer product pages and updated daily. Out-of-stock listings are excluded from the ranking. Some links are affiliate links — they never affect your price or the order shown.

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