Rule 1 Protein Whey Isolate

Rule 1 R1 Protein 100% Whey Isolate

Ultra Clean. Lightning Fast. All Results.

No fillers. No compromise. Just pure protein power.
Rule 1 R1 Protein is your go-to for ultra-pure, fast-digesting whey isolate—crafted to support lean muscle, rapid recovery, and clean nutrition. With zero concentrates, zero creamers, and no unnecessary additives, it’s protein made simple and smart.

Whether you’re dialling in macros, fuelling post-workout recovery, or chasing lean gains, R1 delivers what your body needs—without the extras.

Why You’ll Love It

• 25g of Rapid-Absorbing Protein – 100% whey isolate for fast digestion and lean muscle support

• Zero Sugar, Zero Fat, Zero Gluten – Ultra-clean for any nutrition plan

• 6g+ BCAAs Per Serve – Naturally occurring aminos to support recovery and endurance

• No Creamers, Gums, or Fillers – Just clean ingredients and high performance

• Mixes Smooth, Tastes Great – Available in delicious, easy-to-digest flavours

Sprint Fit Approved

We rate R1 Protein for its purity, performance, and no-BS approach. It’s ideal for athletes, lifters, and everyday Kiwis who want a protein that delivers results—without the unnecessary extras. Plus, you’ll get it fast with Sprint Fit’s lightning shipping and trusted customer service.

How to Use

Mix 1 scoop with 200–300ml of cold water or milk. Perfect after training, between meals, or anytime you need a clean protein hit.

Lean fuel. Clean gains. Fast recovery.
Shop Rule 1 R1 Protein now—only at Sprint Fit.

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.

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.