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Protein Powders

189 results

Products

  • Precision Isolate by Precision Nutrition Same daydispatchbefore
    2pm AEST

    46

    Precision Isolate by Precision Nutrition
    Whey Isolate

    3 sizes / 6 flavours

    Price$69.95$72.95

  • Gold Standard 100% Whey by Optimum Nutrition Same daydispatchbefore
    2pm AEST

    145

    Gold Standard 100% Whey by Optimum Nutrition
    Whey Blends

    5 sizes / 19 flavours

    Price$66.95

  • Precision Whey by Precision Nutrition Same daydispatchbefore
    2pm AEST

    34

    Precision Whey by Precision Nutrition
    Whey Blends

    3 sizes / 5 flavours

    Price$59.95$62.95

  • R1 Protein Whey Isolate by Rule 1 Same daydispatchbefore
    2pm AEST

    81

    R1 Protein Whey Isolate by Rule 1
    Whey Isolate

    4 sizes / 18 flavours

    Price$109.95

  • Almond Plant Protein by Macro Mike CLEARANCESame daydispatchbefore
    2pm AEST

    4

    Almond Plant Protein by Macro Mike
    Vegan Protein

    3 sizes / 15 flavours

    Price$45.00$52.95

  • Whey Isolate by Legit Same daydispatchbefore
    2pm AEST

    4

    Whey Isolate by Legit
    Whey Isolate

    4 flavours available

    Price$119.95

  • ISO100 by Dymatize Same daydispatchbefore
    2pm AEST

    24

    ISO100 by Dymatize
    Whey Isolate

    2 sizes / 13 flavours

    Price$104.95

  • OxyWhey by EHP Labs Same daydispatchbefore
    2pm AEST

    30

    OxyWhey by EHP Labs
    Whey Blends

    6 flavours available

    Price$99.95

  • Precision Mass by Precision Nutrition Same daydispatchbefore
    2pm AEST

    25

    Precision Mass by Precision Nutrition
    Mass Gainers

    2 sizes / 3 flavours

    Price$89.95$104.95

  • Gold Standard 100% Isolate by Optimum Nutrition Same daydispatchbefore
    2pm AEST

    12

    Gold Standard 100% Isolate by Optimum Nutrition
    Whey Isolate

    3 sizes / 6 flavours

    Price$127.95

  • R1 Whey Protein Blend Protein by Rule 1 Same daydispatchbefore
    2pm AEST

    33

    R1 Whey Protein Blend Protein by Rule 1
    Whey Blends

    3 sizes / 18 flavours

    Price$64.95

  • IsoPept by EHP Labs CLEARANCESame daydispatchbefore
    2pm AEST

    22

    IsoPept by EHP Labs
    Whey Isolate

    4 flavours available

    Price$99.00$114.95

  • Protein H2O + Collagen by FitFrenzy Same daydispatchbefore
    2pm AEST

    5

    Protein H2O + Collagen by FitFrenzy
    Protein Water

    6 flavours available

    Price$79.95$84.95

  • Protein Water + Collagen by Muscle Nation Same daydispatchbefore
    2pm AEST

    21

    Protein Water + Collagen by Muscle Nation
    Protein Water

    2 sizes / 27 flavours

    Price$39.95

  • Phyto Pro Vegan Protein by Phyto Pure CLEARANCESame daydispatchbefore
    2pm AEST

    2

    Phyto Pro Vegan Protein by Phyto Pure
    Vegan Protein

    5 flavours available

    Price$30.00$79.95

  • Power Plant Protein by PranaON Same daydispatchbefore
    2pm AEST

    37

    Power Plant Protein by PranaON
    Vegan Protein

    5 sizes / 9 flavours

    Price$24.95

  • Burn Protein by Maxines Same daydispatchbefore
    2pm AEST

    2

    Burn Protein by Maxines
    Thermogenic

    2 sizes / 11 flavours

    Price$49.95

  • Nitro Tech by MuscleTech Same daydispatchbefore
    2pm AEST

    5

    Nitro Tech by MuscleTech
    Whey Blends

    2 sizes / 3 flavours

    Price$59.00

  • Whey by Ghost Same daydispatchbefore
    2pm AEST

    16

    Whey by Ghost
    Whey Blends

    5 flavours available

    Price$114.95

  • Casein Custard Protein by Muscle Nation Same daydispatchbefore
    2pm AEST

    21

    Casein Custard Protein by Muscle Nation
    Casein

    2 sizes / 11 flavours

    Price$39.95

  • 100% Whey by Musashi Same daydispatchbefore
    2pm AEST

    5

    100% Whey by Musashi
    Whey Blends

    2 sizes / 3 flavours

    Price$84.99

  • Serious Mass by Optimum Nutrition Same daydispatchbefore
    2pm AEST

    16

    Serious Mass by Optimum Nutrition
    Mass Gainers

    2 sizes / 4 flavours

    Price$118.95

  • Shred System by Maxs Same daydispatchbefore
    2pm AEST

    14

    Shred System by Maxs
    Thermogenic

    2 sizes / 5 flavours

    Price$99.95

What is protein powder?

Protein powder is a concentrated protein source, dried into a powder you mix with water or milk. Most are made from milk, either whey or casein, or from plants such as pea, rice or almond. A typical serve provides 20–30 g of protein, which is roughly what you would get from 100 g of cooked chicken breast, in something that keeps in the cupboard and takes twenty seconds to make.

People generally use it to top up daily protein intake when food alone is inconvenient: after training, between meals, or on days that get away from them. For context, the Australian Nutrient Reference Values set the recommended dietary intake for protein at 0.84 g per kg of body weight per day for adult men and 0.75 g per kg for adult women. The International Society of Sports Nutrition's position stand suggests a higher intake, 1.4–2.0 g per kg per day, for people doing regular resistance training. Both are linked under Sources below.

Why shop protein powder at Supplement Mart?

  • More than 190 protein powders in stock, across every major Australian and imported brand
  • 58 stores nationwide, with click and collect available
  • Free shipping Australia-wide on orders over $150, with no surcharges
  • East and west coast dispatch, on orders placed before 2pm on weekdays
  • Supplement Mart Rewards program, earning points on every dollar spent
  • An in-house nutritionist you can actually ask a question

Protein powder for your goal

The type matters more than the brand. Match it to what you are actually trying to do:

  • Everyday training and value: whey protein concentrate sits around 70–80% protein, and the carbohydrate and fat left in from the milk is where a lot of the flavour comes from.
  • Lean goals and watching kilojoules: whey protein isolate is filtered further – typically 90%+ protein by weight, with very little carbohydrate, fat or lactose left.
  • Dairy-free or vegan: vegan and plant protein is made from pea, rice, almond or a blend of them, and usually carries more fibre per serve than whey.
  • Struggling to eat enough: lean mass gainers add carbohydrate to the protein, so one serve carries several times the energy of a plain protein shake.
  • Overnight or between meals: casein and custard protein digests slowly, releasing over hours rather than minutes.
  • Something lighter after cardio: protein water is clear whey isolate – it mixes thin and fruity instead of creamy, and is usually fat-free.
  • Eating on the go: protein bars and snacks and ready-to-drink shakes do the same job without a shaker.

How to choose a protein powder

  • Start with the type, not the brand. Every major brand makes a good concentrate and a good isolate; the type decides how it fits your day.
  • Check the protein per serve. Most whey and plant proteins land between 20 and 30 g. Read the nutrition panel rather than the front of the tub.
  • Compare the cost per serve. A larger tub is almost always cheaper per shake, so work out the price per serve before comparing two tubs on sticker price.
  • Account for lactose. Isolate is filtered lower in lactose than concentrate, and plant protein has none at all.
  • Pick a flavour you will finish. You will be drinking it most days. Most ranges sell a smaller size, which is the cheap way to find out whether you like it.

Compare the range

TypeUsually chosen forWhat makes it different
WPC Everyday use and value Around 70–80% protein by weight; keeps more of the carbohydrate and fat from milk, which is where a lot of the flavour sits
Whey Protein Isolates Lower-carb and lower-lactose preferences Filtered further than WPC, typically 90%+ protein by weight with very little lactose left
Vegan & Plant Protein Dairy-free and vegan diets Pea, rice, almond or a blend of them; no dairy, and usually more fibre per serve
Lean Mass Gainers Higher daily kilojoule targets Protein plus added carbohydrate, so a serve carries several times the energy of a plain protein
Protein Water A lighter, juice-style drink Clear whey isolate; mixes thin and fruity rather than creamy, and is usually fat-free
Collagen Protein Anyone after a collagen peptide source Hydrolysed collagen, with a different amino acid profile to whey, notably low in leucine, so it is generally used alongside a whey or plant protein rather than instead of one.
Protein Bars & Snacks Eating on the go No shaker needed.

Popular right now

Looking for a proven place to start? These are the ones moving fastest in this range:

Brands in this range include Precision Nutrition, Optimum Nutrition, Rule 1, Macro Mike, Legit, Dymatize Nutrition, EHP Labs and FitFrenzy.

Shoppers browsing Protein Powders also look at 2025 Top Protein Powders, Muscle Growth & Strength, Recovery & Repair, Whey Protein Isolates, Whey Protein Blends and 2025 Top Vegan Products.

Frequently asked questions

How much protein powder should I have in a day?

That depends on your body weight and how much protein you are already getting from food. The Australian Nutrient Reference Values put the adult recommended dietary intake at 0.84 g per kg per day for men and 0.75 g per kg for women; the ISSN position stand suggests 1.4–2.0 g per kg per day for people training regularly. Most people use one or two serves a day to cover the gap between what they eat and what they are aiming for. If you would like that worked out properly for you, our nutritionist can help.

Sources

Last reviewed: 17 September 2026

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