Description
Rule 1 Mass Gainer is a high-calorie weight gain supplement made for hard gainers and athletes who need serious nutrition to build size, strength, and recovery. Each serving delivers over 1,200 calories, 40 g of protein, and 250 g of quality carbohydrates to fuel lean muscle growth and replenish glycogen stores.
Why Choose Rule 1 Mass Gainer?
High-Calorie Formula – Over 1,200 calories per serving to help you achieve a calorie surplus.
40 g of Premium Protein – A blend of whey concentrates, isolates, and hydrolysates for fast and sustained release.
Carbohydrate Support – More than 250 g of complex carbs to provide energy for muscle growth and recovery.
Enhanced Nutrient Profile – Includes added creatine and MCTs for improved endurance and energy.
Informed Choice Certified – Trusted by athletes and tested for banned substances.
How to Use
Step 1: Mix two heaping scoops with 500–700 ml of water or milk.
Step 2: Consume after training or between meals to boost calorie intake.
Step 3: Adjust serving size depending on your calorie goals and training intensity.
Pro Tip: Blend with banana, oats, or nut butter for an even higher-calorie shake with extra flavour and texture.
Who’s It For?
Hard Gainers – Perfect for those who struggle to gain weight or muscle.
Athletes & Bodybuilders – For maintaining energy and muscle recovery after intense workouts.
People with High Metabolism – Ideal for adding extra calories quickly and easily.
Anyone Wanting Lean Size Gains – A balanced option to support growth without excessive fat gain.
FAQ
Can I use Rule 1 Mass Gainer daily?
Yes, it’s safe for daily use if it fits within your calorie and protein goals.
Will it make me gain fat?
Used correctly with training and balanced nutrition, it supports lean muscle gain — not fat gain.
Can I use it as a meal replacement?
It’s best used as a supplement between meals or after training, not as a complete meal replacement.
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.
Rule 1 Mass Gainer – the ultimate mass-building supplement in NZ, engineered to help you train harder, recover faster, and grow bigger.
Facts
Container Size: 6lb
Serving Size: 2 heaping scoops (325g)
Servings Per Container: 16
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.
