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R1 Protein WPI by Rule 1 Proteins

4.9
Rated 4.9 out of 5 stars
110 Reviews
write a review
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If you are serious about improving your physique or performance, then your nutrition should be a top priority alongside your training. Rule 1 WPI is a premium-grade product made with... Read more

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2025 Supplement Award Winner
  • 2 nd
    Best Whey Protein Isolate

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If you are serious about improving your physique or performance, then your nutrition should be a top priority alongside your training. Rule 1 WPI is a premium-grade product made with minimal ingredients and the highest quality whey proteins, ensuring maximum protein content with no fillers.

  • 25g Protein
  • 0g Fat
  • 1g Carb
  • 6g BCAA’s

Rule 1 WPI stands out for its purity, containing ZERO gums, creamers, sugar, fat, gluten (excluding cookies & cream), fillers, and amino acid spiking. It is one of the cleanest and most protein-rich WPI products available in the market.

With over 6g of BCAA’s and nearly 87% protein per serving, Rule 1 WPI offers a blend of natural proteins and muscle-building amino acids for optimal results. Whether consumed post-workout for muscle recovery or as a daily protein boost, Rule 1 WPI can be tailored to suit your individual needs.

Warning

This product is not a sole source of nutrition and should be consumed in conjunction with a nutritious diet and an appropriate training or exercise program. Not suitable for children under 15 years of age or pregnant women: Should only be used under medical or dietetic supervision.

Orders placed before 3PM AEST, Monday to Friday (not including Public Holidays), will be shipped the same day! Once your payment clears and despatch information is available we'll email you an order tracking number. Most customers receive their supplements in 1-2 business days! As long as:

  • You order before 3pm (AEST) Mon-Fri
  • You use a payment method with instant clearance, like Paypal Instant Payment or Credit Card
  • Your parcel is less than 5kg in cubic weight. (Some bulky goods will not apply)
  • You are not in a remote location

Please note parcels going via Australia Post (PoBox, Defence Adresses) may take longer than 1-3 business days.

Parcels going to NT, and bulky parcels going to WA may take 5+ business days to arrive.

If your order weighs more than 5kg or is bulky: Heavy or bulky orders are sent via road freight which means that the estimated delivery time will be longer than orders sent via air freight.

If you have used an alternate payment method: Direct bank deposit or Paypal Echeque may take some time to clear. To get your supplements in the shortest time possible, use Paypal's Instant Payment or a credit card.

Shipping Policy
More Information

If you are serious about improving your physique or performance, then your nutrition should be a top priority alongside your training. Rule 1 WPI is a premium-grade product made with minimal ingredients and the highest quality whey proteins, ensuring maximum protein content with no fillers.

  • 25g Protein
  • 0g Fat
  • 1g Carb
  • 6g BCAA’s

Rule 1 WPI stands out for its purity, containing ZERO gums, creamers, sugar, fat, gluten (excluding cookies & cream), fillers, and amino acid spiking. It is one of the cleanest and most protein-rich WPI products available in the market.

With over 6g of BCAA’s and nearly 87% protein per serving, Rule 1 WPI offers a blend of natural proteins and muscle-building amino acids for optimal results. Whether consumed post-workout for muscle recovery or as a daily protein boost, Rule 1 WPI can be tailored to suit your individual needs.

Warning

This product is not a sole source of nutrition and should be consumed in conjunction with a nutritious diet and an appropriate training or exercise program. Not suitable for children under 15 years of age or pregnant women: Should only be used under medical or dietetic supervision.

Orders placed before 3PM AEST, Monday to Friday (not including Public Holidays), will be shipped the same day! Once your payment clears and despatch information is available we'll email you an order tracking number. Most customers receive their supplements in 1-2 business days! As long as:

  • You order before 3pm (AEST) Mon-Fri
  • You use a payment method with instant clearance, like Paypal Instant Payment or Credit Card
  • Your parcel is less than 5kg in cubic weight. (Some bulky goods will not apply)
  • You are not in a remote location

Please note parcels going via Australia Post (PoBox, Defence Adresses) may take longer than 1-3 business days.

Parcels going to NT, and bulky parcels going to WA may take 5+ business days to arrive.

If your order weighs more than 5kg or is bulky: Heavy or bulky orders are sent via road freight which means that the estimated delivery time will be longer than orders sent via air freight.

If you have used an alternate payment method: Direct bank deposit or Paypal Echeque may take some time to clear. To get your supplements in the shortest time possible, use Paypal's Instant Payment or a credit card.

Shipping Policy
4.9
Rated 4.9 out of 5 stars
Based on 110 reviews
Total 5 star reviews: 105 Total 4 star reviews: 4 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 0
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99%would recommend this product
Rating
Ratings
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110 reviews
  • LR
    Larissa R.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    Great isolated whey protein

    I loved the flavour

    TasteRated 5.0 on a scale of 1 to 5
    TextureRated 5.0 on a scale of 1 to 5
    Value for moneyRated 5.0 on a scale of 1 to 5
    Was this helpful?
  • SK
    samir k.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5 stars
    9 months ago
    Cream and cookiee

    Best mixing and taste,

    TasteRated 5.0 on a scale of 1 to 5
    TextureRated 5.0 on a scale of 1 to 5
    Value for moneyRated 3.0 on a scale of 1 to 5
    Was this helpful?
  • CL Profile picture for Chiara L.google logo
    Chiara L.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 year ago
    Love this protein!

    I’m extremely picky with protein and have only found 1 other brand I like. But this stuff is amazing!

    I’ve only been using it for 3 months and have mocha, choc mint and choc peanut butter.

    Mocha - tastes like a mocha masters milk rather than actually coffee and chocolate obviously but still pretty nice.

    Choc mint - not extremely minty or anything. Really nice flavour.

    Choc peanut butter - I think it should be called peanut butter Oreo. It tastes more like the chocolate Oreo biscuit with a very subtle peanut butter flavour. MY FAVOURITE SO FAR!

    Super easy to drink. Doesn’t taste powdery, grainy or fatty.

    TasteRated 5.0 on a scale of 1 to 5
    TextureRated 5.0 on a scale of 1 to 5
    Value for moneyRated 5.0 on a scale of 1 to 5
    Was this helpful?
  • JG Profile picture for Jarrett G.google logo
    Jarrett G.
    Verified Reviewer
    I recommend this product
    Rated 5 out of 5 stars
    5 days ago
    Lean & Healthy

    I have been using this particular protein powder since I started gym-ing in 2023 and haven’t looked back since. It was recommended to me by a friend and my local gym also sells this as their primary protein powder, which is a testament to its quality. If you are looking for a lean and healthy protein powder - this is for you!

    TasteRated 5.0 on a scale of 1 to 5
    TextureRated 5.0 on a scale of 1 to 5
    Value for moneyRated 4.0 on a scale of 1 to 5
    Was this helpful?
  • PG
    Phillip G.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    6 days ago
    Rule 1 Timtam

    Very Tasty, good replacement when craving something sweet

    TasteRated 5.0 on a scale of 1 to 5
    TextureRated 5.0 on a scale of 1 to 5
    Value for moneyRated 4.0 on a scale of 1 to 5
    Was this helpful?
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