Buy wisely
Buy wiselyBuy wisely
For RetailersFor developers
  1. Home
Buy wisely

BuyWisely is your one stop price comparison platform, delivering the best deals from over 20,000 online shops. We empower shoppers to make smart, cost-effective choices by offering transparent pricing, price history, and the latest deals across a broad range of products. With BuyWisely, your money goes further.

Popular Shops
JB Hi-Fi
The Good Guys
Harvey Norman
Appliances Online
Bing Lee
Kogan
Amazon
Officeworks
Contact Us
[email protected]
Affiliate Disclosure
Legal Information
Privacy Policy
Logos provided by Logo.dev
© 2026 BuyWisely•Price data powered by pricesAPI.io•Retailers: SellWisely.io
Rule 1 R1 Protein 3lb Birthday Cake

Rule 1 R1 Protein 3lb Birthday Cake

$179.95 - $199.99

in 9 offers

The lowest price for Rule 1 R1 Protein 3lb Birthday Cake right now is $179.95 at Mr Supplement, compared across 8 retailers.

The all-time low was $179.95 on 8 Nov 2026. That's the lowest price we've ever tracked — a great time to buy.

Prices last updated 8 Nov 2026.

Size:

1.5lb
2lb
3lb
5lb

Rule 1 R1 Protein 3lb Birthday Cake

$179.95

Variety:

Birthday Cake
Cafe Mocha
Choc Biscuit
Choc Fudge
Chocolate Fudge
Chocolate Hazelnut
Chocolate Malt
Chocolate Mint
Chocolate Peanut Butter
Cinnamon Swirl
Cookies & Creme
Cookies And Creme
Dark Chocolate
Frozen Banana
Fruity Cereal
Lightly Salted Caramel
Mint Chocolate Chip
Naturally Plain
Pistachio Ice Cream
Pure Vanilla
Salted Caramel
Strawberries & Creme
Strawberries And Creme
Strawberry Banana
Vanilla Butter Cake
Vanilla Creme
White Choc Raspberry
White Chocolate Raspberry

Price comparison

Price data powered by pricesAPI.io

Last updated at 08/11/2026 10:31:22

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=mrsupplement.com.au&sz=64Mr Supplement

$179.95

Rule 1 R1 Protein Whey Isolate - 1.36kg / 42 Serves Birthday Cake

Free delivery

https://www.google.com/s2/favicons?domain=powerhousesupplements.com.au&sz=64Powerhouse Supplements

$179.99

Rule 1 Protein Whey Isolate, 3 lbs / Birthday Cake // Powerhouse Supplements

Free delivery

https://www.google.com/s2/favicons?domain=meltonsupps.com.au&sz=64Melton Supps

$194.95

Rule 1 Isolate By Rule 1 Prot | Supports Muscle Recovery | Meltonsupps 3 Lbs / Birthday Cake

Free delivery between 12–20 Nov

https://www.google.com/s2/favicons?domain=nutritionwarehouse.com.au&sz=64Nutrition Warehouse

$199.95

R1 Protein WPI by Rule 1 Proteins, 3lbs / Birthday Cake

Free delivery between 12–19 Nov

https://www.google.com/s2/favicons?domain=australiansportsnutrition.com.au&sz=64Australian Sports Nutrition

$199.95

Rule 1 Proteins R1 WPI Protein 2.96lb / Birthday Cake

Free delivery

https://www.google.com/s2/favicons?domain=supplementmart.com.au&sz=64Supplement Mart

$199.95

R1 Protein Whey Isolate by Rule 1 - 3lb / Birthday Cake | Supplement Mart

Free delivery between 11–18 Nov

https://www.google.com/s2/favicons?domain=nutritioncapital.com.au&sz=64Nutrition Capital

$199.95

Rule 1 Whey Protein Isolate ~3lb / Birthday Cake

https://www.google.com/s2/favicons?domain=ruleoneproteins.com.au&sz=64Rule One Proteins Australia

$199.99

R1 Protein Whey Isolate – Fast-Absorbing WPI 3lb / Birthday Cake

Delivery between 12–17 Nov $15

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Price comparison

Updated about 2 hours ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=mrsupplement.com.au&sz=64
Mr Supplement

$179.95

Rule 1 R1 Protein Whey Isolate - 1.36kg / 42 Serves Birthday Cake

Free delivery

https://www.google.com/s2/favicons?domain=powerhousesupplements.com.au&sz=64
Powerhouse Supplements

$179.99

Rule 1 Protein Whey Isolate, 3 lbs / Birthday Cake // Powerhouse Supplements

Free delivery

https://www.google.com/s2/favicons?domain=meltonsupps.com.au&sz=64
Melton Supps

$194.95

Rule 1 Isolate By Rule 1 Prot | Supports Muscle Recovery | Meltonsupps 3 Lbs / Birthday Cake

Free delivery between 12–20 Nov

https://www.google.com/s2/favicons?domain=nutritionwarehouse.com.au&sz=64
Nutrition Warehouse

$199.95

R1 Protein WPI by Rule 1 Proteins, 3lbs / Birthday Cake

Free delivery between 12–19 Nov

https://www.google.com/s2/favicons?domain=australiansportsnutrition.com.au&sz=64
Australian Sports Nutrition

$199.95

Rule 1 Proteins R1 WPI Protein 2.96lb / Birthday Cake

Free delivery

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

You may also like

Rule 1 R1 Protein
Rule 1 R1 Protein$87.99 - $249.95
Compare 50 offers
Rule 1 Source 7 Protein 2 lb Birthday Cake
Rule 1 Source 7 Protein 2 lb Birthday Cake$47.95 - $84.99
Compare 17 offers