Product Description
For fast-digesting, ultra-clean protein, look no further than Rule 1 R1 Protein. Made with 100% whey isolate and hydrolysed whey, it delivers 25g protein per serve with virtually zero sugar and fat. Perfect post-workout or any time you need lean recovery support, it’s one of the cleanest whey proteins on the market.
Why Choose Rule 1 R1 Protein?
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25g whey isolate & hydrolysed protein – rapid absorption for recovery.
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Zero sugar, zero fat – ultra-lean formula.
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Only 100 calories per serve – diet and lean goal friendly.
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Fast-digesting – ideal immediately after training.
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Gluten-free and easy on digestion.
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Delicious flavours – mixes smooth and light.
How to Use
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Mix 1 scoop of Rule 1 R1 Protein with 200–300ml cold water or milk.
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Shake or stir until fully dissolved.
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Best taken post-workout or first thing in the morning.
Pro tip: Stack with creatine or amino acids for complete post-workout recovery.
Who’s It For?
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Athletes chasing rapid recovery.
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Gym-goers cutting calories or leaning down.
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People sensitive to carbs or fats in protein powders.
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Anyone wanting a clean, pure protein source.
FAQ
Is Rule 1 R1 Protein good for weight loss?
Yes — with zero sugar, zero fat, and only 100 calories per serve, it’s ideal for lean goals.
Does it contain lactose?
It’s very low in lactose and generally well tolerated.
What makes it different from Whey Blend?
R1 Protein is pure isolate + hydrolysed whey, while Whey Blend includes concentrate for slower digestion.
Why Buy from Sprint Fit?
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100% authentic Rule 1 supplements.
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Free NZ shipping on orders $60+.
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Same-day dispatch nationwide.
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Trusted by Kiwi athletes and fitness enthusiasts.
Rule 1 R1 Protein – ultra-clean isolate protein for lean recovery and growth.
Facts
Container Size: 2.27KG / 5Lb
Serving Size: 1 Scoop
Servings Per Container: 76
Please Note: Nutritional Information is to be used as a guide only, actual values may differ between flavours and sizes and when formulations are modified or updated by the manufacturer.
Contact us if you have any questions regarding this products ingredients.
Shipping
All orders $60 and over receive Free* Shipping Nationwide
Final pick up each day is at 3.45pm Monday to Friday.
Estimated Delivery Times*:
Auckland and North Island – Overnight
However many Auckland orders will be delivered the same day depending on what time the order is placed)
South Island – Overnight (For larger parcels allow 2 business days)
Same Day/Evening Express Shipping upgrade available at checkout for select suburbs*
Click here to view the full Shipping Details and Returns Policy.
Rule 1 R1 Protein Reviews

Chocolate FudgeBest protein powder on the market

Cafe MochaI very like this i got the mocha flavour and it really tastes exact! Will definatly get this again ??

Mint Choc ChipOne of the best tasting protein powders

Strawberries And CreamPremium quality Protein

Chocolate Peanut ButterYummy . Have it with breakfast every morning

Vanilla CremeVanilla is the best.

Chocolate FudgeAwesome flavour and goes with anything. I’ve tried it with water, oats and smoothies and goes so well. Best protein I’ve tried so far that just this week my husband has also been having it. Highly recommend.

Chocolate Peanut ButterExcellent flavour! best isolate I've ever tried