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Description

Musashi Whey Protein Isolate (WPI) is an ultra-pure, premium protein powder engineered for hard-training athletes, bodybuilders, and active Kiwis demanding maximum muscle recovery with minimal extra calories. Micro-filtered for superior purity, this fast-digesting formula delivers a massive protein dose per serving with exceptionally low fat and carbohydrate levels, making it the ultimate tool for lean muscle growth and precise macro management.

Key Benefits & Features

  • High-Potency WPI Formula: Packed with premium micro-filtered whey protein isolate to rapidly trigger muscle protein synthesis.

  • Ultra-Low Fat & Low Carb: Contains minimal fats and sugars, making it perfect for strict cutting phases, lean gains, and body recomposition.

  • Fast-Absorbing Recovery: Floods muscle tissue with essential amino acids immediately post-workout to accelerate tissue repair and combat soreness.

  • Enriched with Digestive Enzymes: Formulated with added enzymes to assist with optimal protein breakdown, comfortable digestion, and rapid absorption.

  • Smooth Mixability & Clean Taste: Blends effortlessly with cold water or milk to deliver a light, delicious, lump-free protein shake.

How It Works

Following intense physical training, your muscle fibres experience significant micro-tears that require immediate protein intake to initiate repair. Musashi Whey Protein Isolate undergoes a sophisticated cross-flow micro-filtration process that removes the majority of fat, lactose, and carbohydrates, leaving behind an exceptionally pure and highly bioavailable protein source.

Because WPI digests far faster than standard protein sources, it rapidly enters the bloodstream and delivers high concentrations of Essential Amino Acids (EAAs) and Branched-Chain Amino Acids (BCAAs)—including Leucine—directly to working muscles. Supported by digestive enzymes to ensure complete protein breakdown without stomach discomfort, this ultra-refined powder helps halt catabolism, reduce recovery times, and optimize lean muscle adaptation.

Recommended Use

Mix 30g (approx. 1 level scoop) with 200ml of cold water or low-fat milk in a shaker bottle. Shake well for 30 seconds until completely dissolved. Consume 1–2 servings daily, ideally within 30 to 60 minutes post-workout for immediate recovery, or first thing in the morning to kickstart muscle synthesis.

Facts

Container Size: 900G
Serving Size: 1 Scoop 
Servings Per Container: 30

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

*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*

Click here to view the full Shipping Details and Returns Policy.

 

Musashi Whey Protein Isolate Reviews

5.0/5 based on 1 reviews
5 star
(1)
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Overall Rating

10.0 /10

1 Ratings

Average Flavour Rating

10 /10

1 Flavours

Top Rated Flavour

10 /10

Vanilla


5/5
Mc Published Thursday, 25 September 2025

10/10 Vanilla

Really good for my desired calorie intake and Vanilla flavour is good