in 14 offers
The lowest price for Rule 1 R1 Protein right now is $87.99 at Discounted Supplements, compared across 14 retailers.
The all-time low was $64.95 on 25 Aug 2026 — today's price is 35% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 16 Oct 2026.
Rule 1 R1 Protein
Last updated at 16/10/2026 11:32:25
R1 Protein WPI, Salted Caramel / 1.5LB
Delivery $10
Rule 1 R1 Protein Whey Isolate - 680g / 22 Serves Salted Caramel
Delivery between Tue – Wed $9.95
Rule 1 Protein Isolate
Free delivery
Ultra Lean Protein | Rule 1 | R1 Protein | 36 and 78 Serves | Assorted Flavours, 1.5lb* / Salted Caramel
Delivery by Mon $12.90
Rule 1 - R1 Protein, 1.5lb* / Salted Caramel
Delivery between 21–23 Oct $12.90
Whey Protein Isolate by Rule 1 | Shop CSN 1.5lb / Lightly Salted Caramel
Delivery $12.95
R1 Whey Protein Isolate, ~1.5lb / Lightly Salted Caramel
Free delivery
Rule 1 R1 Protein Powder 1.5lb Salted Caramel - Whey Protein Isolate (WPI), 22 Serves
Delivery $10
R1 Protein WPI by Rule 1 Proteins, 1.5lbs / Salted Caramel
Delivery between 22–29 Oct $9.95
R1 Protein Whey Isolate by Rule 1 - 1.5lb / Salted Caramel | Supplement Mart
Delivery between 21–28 Oct $12.95
| 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 |
R1 Protein WPI, Salted Caramel / 1.5LB
Delivery $10
Rule 1 R1 Protein Whey Isolate - 680g / 22 Serves Salted Caramel
Delivery between Tue – Wed $9.95
Rule 1 Protein Isolate
Free delivery
Ultra Lean Protein | Rule 1 | R1 Protein | 36 and 78 Serves | Assorted Flavours, 1.5lb* / Salted Caramel
Delivery by Mon $12.90
Rule 1 - R1 Protein, 1.5lb* / Salted Caramel
Delivery between 21–23 Oct $12.90
| 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 |
