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Under $50
Finding good protein powder under $50 in Australia is easier than you might think, especially when you compare value by cost per gram of protein rather than just sticker price. This page shows options from Woolworths, Coles, Chemist Warehouse and specialist retailers, all sorted by how much protein you actually get for your money. For example, Muscle Nation's Custard Protein currently offers exceptional value at around 1.55 cents per gram of protein, while trusted options like Optimum Nutrition's Gold Standard 100% Whey sit at about 2.25 cents per gram. When comparing different sized tubs, grab your phone's calculator and divide the total price by the total grams of protein listed on the label. This gives you an apples-to-apples comparison regardless of whether you're looking at a 500g or 2kg container. We've done the maths for you here, with data current as of May 2026 and refreshed regularly to reflect the latest Australian prices and availability.
Don't just compare sticker prices - check the cost per gram of protein, since tub sizes and protein content vary heaps between brands.
How the live ProteinPrice Value Score is calculated
Coles Wellness Road Pea Protein ranks 5th on this list with a strong value score of 9.3 out of 10. At $10 for 500g, it's genuinely cheap and accessible at any Coles store. The unflavoured format works well for smoothies where you're adding fruit anyway. Being plant-based pea protein, it suits vegan diets without the premium price tag of many alternatives.
Body Science High Protein ranks 4th on this list with a solid value score of 9.4 out of 10. At $32.44 from Chemist Warehouse, it's an accessible option that won't stretch your budget. The 720g tub is smaller than some competitors, so you'll be restocking more frequently. Caramel honeycomb is a decent flavour choice if you're after something sweeter. It delivers reliable protein without any standout features, but that's fine when the price-to-performance ratio works this well.
