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Under $75
Whey protein isolate under $75 in Australia gives you access to full-sized tubs from quality brands like Muscle Nation, Bulk Nutrients, and International Protein. This ranking sorts them by cost per gram of protein so you can find genuine value. Prices on this list span from $15.96 to $71.96.
WPI typically delivers 90%+ protein by weight versus 70-80% for whey blends — so a slightly pricier WPI can actually work out cheaper per gram of protein.
How the live ProteinPrice Value Score is calculated
International Protein Amino Charged WPI at $49.95 from Sporty's Health is a respected Aussie-made isolate with added amino acids. At 907g it's a full-sized tub that competes well on per-gram cost.
Body Science Shred Protein at $44.95 from Mr Supplement is a WPI-based formula for those focused on cutting. At 800g it's a full-sized tub at a reasonable price. Widely available through supplement stores and sometimes Chemist Warehouse.
