Musashi Bulk Protein

Need to put on size and strength? Musashi Bulk Protein is a high-calorie, high-protein formula designed to support muscle mass and recovery. With a balanced blend of protein, carbs, and added creatine, it’s the perfect solution for hard gainers and athletes in a bulking phase.

Why Choose Musashi Bulk Protein?

• 27g protein per serve – supports muscle repair and growth.

• High carbs & calories – fuels mass gain and energy needs.

• Added creatine – supports strength and performance.

• Informed-Sport certified – tested for banned substances, trusted by athletes.

• Great flavours – chocolate, vanilla, and more.

• Trusted Musashi quality – fuelling athletes for over 30 years.

How to Use

1. Mix 2 scoops of Musashi Bulk Protein with 400–600ml of water or milk.

2. Blend for best results — add oats, nut butter, or fruit for extra calories.

3. Use post-workout or between meals to boost daily calorie intake.

Pro tip: Split your serves throughout the day (e.g. half in the morning, half post-workout) for easier digestion.

Who’s It For?

• Hard gainers struggling to put on weight.

• Athletes in a bulking or strength phase.

• Busy people needing calorie-dense nutrition.

• Drug-tested athletes needing a certified gainer.

FAQ

Is Musashi Bulk Protein safe for athletes?
Yes — it is Informed-Sport certified, meaning every batch is tested for banned substances.

How is this different from Musashi High Protein?
High Protein is leaner with over 30g protein per serve, while Bulk Protein is calorie-dense with carbs to support mass gain.

When should I take it?
Best post-workout and between meals.

Why Buy from Sprint Fit?

• 100% authentic Musashi supplements.

• Free NZ shipping on orders $60+.

• Same-day dispatch nationwide.

• Trusted by Kiwi athletes and fitness enthusiasts.

Musashi Bulk Protein – serious calories and protein for serious size.

Container Size: 420G
Serving Size: 60g
Servings Per Container: 7

Container Size: 900G
Serving Size: 60g
Servings Per Container: 16

Container Size: 2KG
Serving Size: 60g
Servings Per Container: 33

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.

We use NZ Couriers as our courier service using an international service. NZ Couriers provides our customers with fast and reliable delivery to destinations across their comprehensive AUS network. 

Standard orders over $60.00 receive free* shipping nationwide, excluding WA, NT, TAS.
Standard delivery starts from $12.90 per shipment for orders under $60.00 
Signature Required $14.90 per shipment. Please ensure you do not have the 'authority to leave' authorization set up at your address with NZ Couriers should you wish to use this service.
If you don't want NZ Couriers to leave your parcel unattended, please select the signature required option. This is especially recommended for high value orders. Neither NZ Couriers nor Sprint Fit are liable for parcels that are stolen, damaged or lost after an item has been delivered.

Final pick up each day is at 3.45pm Monday to Friday. 

*Excludes public holidays and weekends as courier is closed

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