Nutrex ISOFIT is a premium 100% whey protein isolate designed for active individuals looking for a high-quality source of protein. Delivering 25g of whey protein isolate per serving, this fast-mixing formula features naturally occurring EAAs, BCAAs and digestive enzymes, making it an excellent choice for post-workout nutrition or increasing your daily protein intake.

Why Choose Nutrex ISOFIT?

25g Whey Protein Isolate Per Serve – Provides a high-quality source of protein to support daily nutrition and active lifestyles.

100% Whey Protein Isolate – Made exclusively with whey protein isolate using a cross-flow microfiltration process for purity and quality.

Naturally Contains EAAs & BCAAs – Naturally occurring essential amino acids and branched-chain amino acids found in whey protein.

Added Digestive Enzymes – Includes digestive enzymes to complement the protein formula.

Smooth Mixing & Great Taste – Available in a range of dessert-inspired flavours with a smooth texture and easy mixability.

How to Use

Step 1: Mix one scoop with 200–300ml of cold water or milk.

Step 2: Consume after exercise or anytime during the day when additional protein is desired.

Step 3: Use consistently as part of a balanced diet and active lifestyle.

Pro Tip: Blend with fruit, oats or yoghurt for a delicious high-protein smoothie.

Who's It For?

Gym-Goers & Fitness Enthusiasts – Convenient protein option for active lifestyles.

Strength & Resistance Trainers – Easy way to increase daily protein intake.

Busy Professionals – Quick and convenient nutrition throughout the day.

Anyone Looking for a Premium Whey Isolate – High-quality protein with a smooth taste and texture.

FAQ

How much protein is in each serving?
Each serving provides 25g of whey protein isolate.

Does ISOFIT contain digestive enzymes?
Yes — the formula includes digestive enzymes alongside whey protein isolate.

When should I take ISOFIT?
It can be enjoyed after training or anytime throughout the day as a convenient protein source.

Why Buy from Sprint Fit?

100% authentic supplements.
Free NZ shipping on orders $60+.
Same-day dispatch nationwide.
Trusted by Kiwi athletes and fitness enthusiasts.

Nutrex ISOFIT — a premium whey protein isolate in NZ designed to complement active lifestyles and everyday nutrition.

Available Sizes 

Container Size: 907G (2Lb)
Serving Size: 1 Scoop (33g)
Servings Per Container: Approx 30

Container Size: 5LB 
Serving Size: 1 Scoop (33g)
Servings Per Container: Approx 70

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

*During sale periods, please allow an additional 1–2 business days for dispatch due to high order volumes.

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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