Muscle Nation WPI NZ | Whey Protein Isolate

Fuel your recovery with Muscle Nation WPI, a premium whey protein isolate designed for lean muscle growth, faster recovery, and easy digestion. With 25g of protein per serve, low carbs, and almost no fat, it’s ideal for anyone chasing results without excess calories. Plus, it’s gluten-free and available in delicious flavours.

Why Choose Muscle Nation WPI?

• 25g whey protein isolate per serve – rapid absorption for recovery.

• Low carbs, low fat – perfect for lean goals.

• Fast-digesting – great post-workout protein source.

• Gluten-free and gut-friendly – easy on digestion.

• Mixes smooth – no clumps or heavy texture.

• Wide range of flavours – from creamy classics to indulgent desserts.

How to Use

• Mix 1 scoop of Muscle Nation WPI with 250–300ml cold water or milk.

• Shake or stir until smooth.

• Enjoy post-workout, between meals, or as a daily protein boost.

Pro tip: Blend with oats or fruit for a high-protein breakfast smoothie.

Who’s It For?

• Athletes and gym-goers wanting lean recovery protein.

• Anyone dieting or cutting calories.

• People needing a fast-digesting protein source after training.

• Fitness enthusiasts who want high protein without heavy shakes.

FAQ

Is Muscle Nation WPI good for weight loss?
Yes — it’s low in calories, carbs, and fats, making it ideal for lean goals.

Does it contain lactose?
It’s very low in lactose and usually well tolerated.

How is WPI different from WPC?
WPI (isolate) is filtered for higher protein and fewer carbs/fats, while WPC (concentrate) is slightly slower digesting.

Why Buy from Sprint Fit?

• 100% authentic Muscle Nation supplements.

• Free NZ shipping on orders $60+.

• Same-day dispatch nationwide.

• Trusted by Kiwi athletes and fitness enthusiasts.

Muscle Nation WPI – clean, fast-digesting protein for lean recovery and growth.

Container Size: 744 (1.64LB)
Serving Size: 1 Scoop 31G
Servings Per Container: 24

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*

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