Protein Powders

Products

46
Precision Isolate by Precision Nutrition
Whey Isolate
3 sizes / 6 flavours
Price$69.95~~$72.95~~
Select option for Precision Isolate by Precision Nutrition
145
Gold Standard 100% Whey by Optimum Nutrition
Whey Blends
5 sizes / 19 flavours
Price$66.95
Select option for Gold Standard 100% Whey by Optimum Nutrition
34
Precision Whey by Precision Nutrition
Whey Blends
3 sizes / 5 flavours
Price$59.95~~$62.95~~
Select option for Precision Whey by Precision Nutrition
81
R1 Protein Whey Isolate by Rule 1
Whey Isolate
4 sizes / 18 flavours
Price$109.95
Select option for R1 Protein Whey Isolate by Rule 1
CLEARANCE
4
Almond Plant Protein by Macro Mike
Vegan Protein
3 sizes / 15 flavours
Price$45.00~~$52.95~~
Select option for Almond Plant Protein by Macro Mike
4
Whey Isolate by Legit
Whey Isolate
4 flavours available
Price$119.95
Select flavour for Whey Isolate by Legit
24
ISO100 by Dymatize
Whey Isolate
2 sizes / 14 flavours
Price$104.95
Select option for ISO100 by Dymatize
30
OxyWhey by EHP Labs
Whey Blends
6 flavours available
Price$99.95
Select flavour for OxyWhey by EHP Labs
25
Precision Mass by Precision Nutrition
Mass Gainers
2 sizes / 3 flavours
Price$89.95~~$104.95~~
Select option for Precision Mass by Precision Nutrition
12
Gold Standard 100% Isolate by Optimum Nutrition
Whey Isolate
3 sizes / 6 flavours
Price$127.95
Select option for Gold Standard 100% Isolate by Optimum Nutrition
33
R1 Whey Protein Blend Protein by Rule 1
Whey Blends
3 sizes / 18 flavours
Price$64.95
Select option for R1 Whey Protein Blend Protein by Rule 1
CLEARANCE
22
IsoPept by EHP Labs
Whey Isolate
4 flavours available
Price$99.00~~$114.95~~
Select flavour for IsoPept by EHP Labs
5
Protein H2O + Collagen by FitFrenzy
Protein Water
6 flavours available
Price$79.95~~$84.95~~
Select flavour for Protein H2O + Collagen by FitFrenzy
21
Protein Water + Collagen by Muscle Nation
Protein Water
2 sizes / 27 flavours
Price$39.95
Select option for Protein Water + Collagen by Muscle Nation
CLEARANCE
2
Phyto Pro Vegan Protein by Phyto Pure
Vegan Protein
5 flavours available
Price$30.00~~$79.95~~
Select flavour for Phyto Pro Vegan Protein by Phyto Pure
CLEARANCE
37
Power Plant Protein by PranaON
Vegan Protein
7 sizes / 10 flavours
Price$24.95
Select option for Power Plant Protein by PranaON
2
NoWay Collagen Protein by ATP Science
Collagen
5 flavours available
Price$79.95
Select flavour for NoWay Collagen Protein by ATP Science
2
Burn Protein by Maxines
Thermogenic
2 sizes / 11 flavours
Price$49.95
Select option for Burn Protein by Maxines
5
Nitro Tech by MuscleTech
Whey Blends
2 sizes / 3 flavours
Price$59.00
Select option for Nitro Tech by MuscleTech
17
Whey by Ghost
Whey Blends
5 flavours available
Price$114.95
Select flavour for Whey by Ghost
21
Casein Custard Protein by Muscle Nation
Casein
2 sizes / 11 flavours
Price$39.95
Select option for Casein Custard Protein by Muscle Nation
5
100% Whey by Musashi
Whey Blends
2 sizes / 3 flavours
Price$84.99
Select option for 100% Whey by Musashi
16
Serious Mass by Optimum Nutrition
Mass Gainers
2 sizes / 4 flavours
Price$118.95
Select option for Serious Mass by Optimum Nutrition
14
Shred System by Maxs
Thermogenic
2 sizes / 5 flavours
Price$99.95
Select option for Shred System by Maxs

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

Type	Usually chosen for	What 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:

Precision Isolate by Precision Nutrition WPI, 3 sizes, 6 flavours, from $69.95
Gold Standard 100% Whey by Optimum Nutrition Whey Blends, 5 sizes, 19 flavours, from $66.95
Precision Whey by Precision Nutrition Whey Blends, 3 sizes, 5 flavours, from $59.95
R1 Protein Whey Isolate by Rule 1 WPI, 4 sizes, 18 flavours, from $109.95
Almond Plant Protein by Macro Mike Vegan and Plant, 3 sizes, 15 flavours, from $45.00
Whey Isolate by Legit WPI, 4 flavours, $119.95

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 2026 Top Protein Powders, Muscle Growth & Strength, Recovery & Repair, Whey Protein Isolates, Whey Protein Blends and 2026 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.