in 15 offers
The lowest price for Rule 1 R1 Protein right now is $164.51 at nzmuscle.co.nz, compared across 15 retailers.
The all-time low was $109.16 on 21 Aug 2026 — today's price is 51% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 5 Oct 2026.
Rule 1 R1 Protein
Last updated at 05/10/2026 19:15:41
Rule1 Protein Isolate Milk Chocolate / 5Lb
Rule 1 Protein Isolate - 5LB / Milk Chocolate
Rule 1 R1 Protein Whey Isolate - 2.20kg / 72 Serves Milk Chocolate: Fr
Free delivery between Wed – Thu
Rule 1 | R1 Protein Whey Isolate Milk Chocolate / 2.27kg
Delivery between 8–16 Oct $15.25
R1 Protein 5LB / Milk Chocolate
Delivery between 7–16 Oct $10.95
R1 Protein WPI 5lbs by Rule1 Proteins | Supps247 Milk Chocolate
Free delivery
Rule 1 R1 Protein Powder 5lb Milk Chocolate Elite Exclusive - Whey Protein Isolate, 76 Serves
Free delivery
R1 Protein WPI by Rule 1 Proteins, 5lbs / Milk Chocolate
Free delivery between 9–16 Oct
R1 Protein Whey Isolate by Rule 1 - 5lb / Milk Chocolate | Supplement Mart
Free delivery between 9–16 Oct
R1 Whey Protein Isolate, ~5lb / Milk Chocolate
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 |
Rule1 Protein Isolate Milk Chocolate / 5Lb
Rule 1 Protein Isolate - 5LB / Milk Chocolate
Rule 1 R1 Protein Whey Isolate - 2.20kg / 72 Serves Milk Chocolate: Fr
Free delivery between Wed – Thu
Rule 1 | R1 Protein Whey Isolate Milk Chocolate / 2.27kg
Delivery between 8–16 Oct $15.25
R1 Protein 5LB / Milk Chocolate
Delivery between 7–16 Oct $10.95
| 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 |
