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Serious calories for serious size and strength gains.
• High-calorie formula to support mass and weight gain
• Multi-source protein blend for sustained muscle support
• Carbohydrate complex to fuel intense training
• Ideal for hardgainers and bulking phases
• Massive 15lb bag for long-term growth cycles
Mutant Mass 15lbs is built for lifters who struggle to gain size or need serious calories to grow. This high-calorie weight gainer combines quality protein sources with performance carbohydrates to help fuel heavy training sessions and support lean mass development.
Each serving delivers a balanced blend of protein and carbs designed to help you maintain a calorie surplus—essential for bulking and muscle growth. The multi-stage protein matrix supports muscle repair and recovery, while the carb blend helps replenish glycogen and sustain energy.
With a full 15-pound bag, Mutant Mass is made for long-term growth phases. Whether you’re a hardgainer, athlete in-season, or simply increasing calories to push past plateaus, this formula helps you pack on size efficiently.
• Supports healthy weight and muscle gain
• Helps maintain calorie surplus for bulking
• Aids post-workout recovery and glycogen replenishment
• Designed for high-volume training programs
Ideal For
• Hardgainers struggling to gain size
• Athletes in bulking phases
• Strength and power athletes
• Anyone needing additional daily calories
Frequently Asked Questions
Q: Is Mutant Mass good for hardgainers?
A: Yes, it’s specifically designed for individuals who need higher calorie intake to gain weight.
Q: When should I take it?
A: It’s commonly used post-workout or between meals to increase daily calorie intake.
Q: Can I split servings?
A: Yes, many users divide servings throughout the day to better manage calorie intake.
Q: Does it contain multiple protein sources?
A: Yes, it uses a blend of protein sources for extended support.
Mutant Mass 15lbs is a powerhouse weight gainer designed to help you push the scale up and build serious size when food alone isn’t enough.
Orders are typically processed within 3-5 business days. Once your order has been processed and shipped, you will receive a confirmation email with tracking information.
Currently, we primarily serve customers within the USA. Please check the available shipping options during checkout.
We offer a 14-day money-back guarantee. You can try your product with confidence, and if you're not satisfied, contact our support team within 14 days of receiving your order for assistance with your refund.
Yes! Our gym gear is designed for all fitness levels, from complete beginners to experienced athletes. It's easy to use and can be incorporated into a wide variety of workouts.
Yes. Our equipment is designed with durability and regular training in mind. With proper use and care, it is suitable for demanding workout routines and everyday training.
If your product arrives damaged or defective, please contact our customer support team as soon as possible with photos of the product and packaging. We'll review the issue and help arrange an appropriate replacement or resolution.
We focus on providing practical, durable and easy-to-use gym gear backed by responsive customer support.
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