Looking for an all-day protein solution? Rule 1 Source7 Protein delivers 22g of protein per serve from seven high-quality sources, including whey isolate, concentrate, casein, milk isolate, egg, and hydrolysed whey. This unique multi-stage blend provides fast, medium, and slow-digesting proteins to fuel muscle growth, recovery, and satiety anytime of day.

Why Choose Rule 1 Source7 Protein?

• 22g protein per serve – supports lean muscle and recovery.

• 7 protein sources – complete blend for sustained amino release.

• All-day formula – ideal for post-workout, meals, or before bed.

• Delicious flavour range – smooth and satisfying shakes.

• Low sugar and low fat – lean-friendly profile.

• Mixes easily – no clumps or chalky taste.

How to Use

• Mix 1 scoop of Source7 Protein with 200–300ml cold water or milk.

• Shake or stir until smooth.

• Use post-workout, as a meal replacement, or before bed.

Pro tip: Use Source7 in oats, baking, or smoothies for extra protein throughout the day.

Who’s It For?

• Gym-goers wanting protein support all day long.

• Athletes needing fast and slow-digesting protein in one formula.

• Anyone who struggles with cravings between meals.

• People looking for a versatile protein for shakes and recipes.

FAQ

What makes Source7 different from R1 Protein or Whey Blend?
Source7 combines seven different proteins for sustained release, while R1 Protein is pure isolate and Whey Blend is focused on three whey sources.

Can I use it as a meal replacement?
Yes — with its blend of proteins and satisfying texture, it works well as a meal substitute.

Is it good for overnight recovery?
Yes — the casein and slower proteins provide amino acids for hours.

Why Buy from Sprint Fit?

• 100% authentic Rule 1 supplements.

• Free NZ shipping on orders $60+.

• Same-day dispatch nationwide.

• Trusted by Kiwi athletes and fitness enthusiasts.

Rule 1 Source7 Protein – seven premium proteins for all-day recovery and growth.

Container Size: 
Serving Size: 1 Scoop
Servings Per Container: 

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.