Rule 1 R1 Protein Isolate
Compared across 6 Australian stores · prices checked 13 Oct 2026
Best price for 2.3kg: $220.00 at RP Supplements · from $9.57/100g
2.3kg — 5 stores
| Store | Price | Unit price | |
|---|---|---|---|
| RP Supplements | $220.00$240.00 | $9.57/100g | Visit store |
| IronHub Supps | $249.95$289.95 | $11.02/100g | Visit store |
| Nutrition Culture | $284.99 | $12.57/100g | Visit store |
| Loyal Nutrition | $289.95 | $12.78/100g | Visit store |
| Supp Society | $289.95 | $12.77/100g | Visit store |
900g — 4 stores
| Store | Price | Unit price | |
|---|---|---|---|
| RP Supplements | $90.00$120.00 | $10.00/100g | Visit store |
| Supp Society | $134.95 | $14.99/100g | Visit store |
| Nutrition Culture | $134.99 | $14.88/100g | Visit store |
| Loyal Nutrition | $134.99 | $14.88/100g | Visit store |
870g — 1 store
| Store | Price | Unit price | |
|---|---|---|---|
| Supplement City | $124.95 | $14.36/100g | Visit store |
2.2kg — 1 store
| Store | Price | Unit price | |
|---|---|---|---|
| Supplement City | $239.95 | $10.91/100g | Visit store |
Prices for the same pack size are shown together so you're always comparing like with like. StackHQ never accepts payment for rankings.
More Protein
Optimum Nutrition
Gold Standard 100% Whey Protein
$74.95 · 907g
33 stores · from $5.95/100g
Ghost
Ghost Whey
$79.95 · 907g
26 stores · from $8.66/100g
International Protein
Amino Charged WPI
$238.99 · 3kg
22 stores · from $7.97/100g
Prana ON
Power Plant Protein
$59.95 · 1.2kg
19 stores · from $4.52/100g
ATP Science
Noway Collagen Protein Bodybalance®
$51.17 · 30 serves
20 stores · from $1.71/serve
International Protein
Superior Whey
$149.95 · 2.27kg
20 stores · from $5.00/100g