in 11 offers
The lowest price for Rule 1 R1 Protein right now is $159.96 at Australian Sports Nutrition, compared across 11 retailers.
The all-time low was $64.95 on 26 Aug 2026 — today's price is 146% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 17 Oct 2026.
Rule 1 R1 Protein
Last updated at 17/10/2026 02:31:25
Rule 1 Proteins R1 WPI Protein 2.96lb / Salted Caramel
Free delivery
Rule 1 R1 Protein 3 lb / Banana Creme
Free delivery
Ultra Lean Protein | Rule 1 | R1 Protein | 36 and 78 Serves | Assorted Flavours, 3lb* / Salted Caramel
Free delivery by Mon
Rule 1 R1 Protein WPI Salted Caramel 3lb
Free delivery
Rule 1 R1 Protein Whey Isolate - 1.36kg / 42 Serves Salted Caramel
Free delivery between Tue – Wed
Rule 1 - R1 Protein, 3lb* / Banana Creme
Free delivery between Wed – Fri
Rule 1 R1 Protein 3lb Vanilla Creme - Whey Protein Isolate Blend, 45 Serves
Free delivery
R1 Protein WPI by Rule 1 Proteins, 3lbs / Strawberries & Creme
Free delivery between 22–29 Oct
R1 Protein Whey Isolate by Rule 1 - 3lb / Vanilla Butter Cake | Supplement Mart
Free delivery between 21–28 Oct
Rule 1 Whey Protein Isolate ~3lb / Vanilla Buttercake
Free delivery
| Flavor | Chocolate Fudge, Birthday Cake, Cafe Mocha, Chocolate Peanut Butter, Cookies & Creme |
| Form | Powder |
| Protein Grams Per Serving | 25g |
| Protein Type | Whey Isolate |
| Meal Replacement? | Yes |
Rule 1 Proteins R1 WPI Protein 2.96lb / Salted Caramel
Free delivery
Rule 1 R1 Protein 3 lb / Banana Creme
Free delivery
Ultra Lean Protein | Rule 1 | R1 Protein | 36 and 78 Serves | Assorted Flavours, 3lb* / Salted Caramel
Free delivery by Mon
Rule 1 R1 Protein WPI Salted Caramel 3lb
Free delivery
Rule 1 R1 Protein Whey Isolate - 1.36kg / 42 Serves Salted Caramel
Free delivery between Tue – Wed
| Flavor | Chocolate Fudge, Birthday Cake, Cafe Mocha, Chocolate Peanut Butter, Cookies & Creme |
| Form | Powder |
| Protein Grams Per Serving | 25g |
| Protein Type | Whey Isolate |
| Meal Replacement? | Yes |
