Rule 1 Mass Gainer 6lbs (2.7kg) 8 servings

Regular Price: KSh6,500.00

Sale Price: KSh6,500.00
Regular Price: KSh7,500.00

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Rule One Mass Gainer

High-calorie weight gainer supplement

Rule 1 Mass Gainer is a high-calorie weight gainer supplement designed to help you build size, increase body weight and support muscle growth. This powerful formula combines premium whey protein, complex carbohydrates and performance-enhancing ingredients to deliver the calories your body needs for serious gains.

Each serving provides over 1,220 calories, making it ideal for individuals who struggle to meet their daily calorie requirements through food alone.

The formula includes 40g of all-whey protein, which helps repair and build lean muscle tissue after workouts, along with 250g+ of carbohydrates to fuel training and replenish energy stores.

Rule 1 Mass Gainer also features a 6:1 carb-to-protein ratio, designed to support rapid weight gain while maintaining muscle-building efficiency.

Enhanced with creatine, MCTs and glutamine, it helps improve strength, endurance and recovery, making it ideal for bulking phases and high-intensity training.

Whether you're a hard gainer or an athlete looking to increase size and strength, Rule 1 Mass Gainer provides the nutritional support needed to achieve your goals.

Key Benefits

Delivers 1,220+ calories per serving for rapid weight gain
Provides 40g high-quality whey protein for muscle growth
Contains 250g+ complex carbohydrates for energy and recovery
6:1 carb-to-protein ratio for effective bulking
Includes creatine, MCTs and glutamine for performance support
Supports muscle recovery, strength and endurance

Who it's for

Hard gainers struggling to gain weight
Athletes in a bulking phase
Bodybuilders aiming for maximum size and strength
Gym-goers needing high-calorie supplementation
Individuals looking to increase daily calorie intake

1. Mixing Instructions

Add 2 heaping scoops to 600–700 ml of water or milk
Shake or blend until smooth

2. When to Take It

Post-workout: Supports muscle recovery and growth
Between meals: Helps increase daily calorie intake
Optional: Take in the morning if you need an extra calorie boost

3. Daily Intake

Take 1–2 servings per day depending on your calorie needs
Beginners can start with 1 serving to assess tolerance

4. Tips for Best Results

Combine with consistent strength training
Stay well hydrated throughout the day
Maintain a balanced, calorie-surplus diet

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Let customers speak for us

from 24 reviews

I’ve been using the USN Vitablitz Capsules for a little while now, and I’m really impressed with the results. You can genuinely feel the difference throughout the day more sustained energy, better focus, and an overall sense of wellbeing.
It’s simple to take and fits perfectly into my daily routine, which makes staying consistent easy. What I appreciate most is how it supports you without feeling overwhelming ,just a steady, noticeable boost every day.
If you’re looking for a reliable multivitamin that actually makes a difference, I’d definitely recommend giving this a try.

Pancras Kihimah

04/18/2026