Original: $45.99
-70%$45.99
$13.80The Story
Mutant Mass (5lbs) – Weight Gain Protein Powder
Mutant Mass is a high-calorie, whole-food–based mass gainer engineered for athletes, hard gainers, and anyone needing serious calorie support to build size and strength. Designed using natural, nutrient-dense ingredients, Mutant Mass delivers a powerful combination of clean carbohydrates, high-quality protein, and essential fats to fuel muscle growth and recovery. With exceptional taste and gold-standard manufacturing quality, it remains MUTANT’s #1 best-selling gainer for good reason.
Why You’ll Love It
-
Massive 1,100 calories per serving to support rapid size and muscle gains
-
56 g of high-quality protein from multi-source blend
-
192 g of clean carbohydrates for sustained energy and glycogen replenishment
-
Made with real whole foods: barley, sweet potato, rolled oats, avocado, coconut oil, flaxseed, pumpkin seed & sunflower oil
-
Naturally contains 26.1 g EAAs and 12.2 g BCAAs for enhanced recovery
-
Includes essential fatty acids (EFAs) for hormone health and performance
-
Manufactured in MUTANT’s own state-of-the-art facility for consistency and purity
-
Gourmet taste with smooth mixability
How It Works
Mutant Mass works by supplying the body with a superior ratio of calories, protein, carbohydrates, and essential fats—everything needed for accelerated muscle growth and improved training performance.
Key Mechanisms
-
Calorie Surplus Support – Essential for mass gain; delivers over 1,100 nutrient-dense calories per serving.
-
High Protein Intake – 56 g of multi-source protein provides both fast and slow-digesting amino acids to support muscle repair and growth.
-
Clean Carbohydrates – 192 g of whole-food carbs replenish glycogen stores and fuel intense training.
-
Healthy Fats & EFAs – Oils from coconut, flax, avocado, pumpkin seed and sunflower support hormones, energy, and joint health.
-
Amino Acid Density – Naturally occurring EAAs and BCAAs optimize muscle protein synthesis and speed recovery.
This formula ensures your body stays in an anabolic (muscle-building) state throughout the day.
How to Use It
Add 24–32 fl oz (720–960 mL) of water to a blender or shaker cup, then mix in 4 scoops of Mutant Mass.
Blend or shake for 20–30 seconds.
Use once daily or as needed to meet calorie and protein goals.
The Bottom Line
Mutant Mass is a premium, whole-food–based mass gainer built to help you pack on serious size. With an unmatched calorie count, clean ingredient profile, and powerful amino acid content, it’s the go-to solution for hard gainers and athletes who demand real results.
Cited Sources
-
-
Journal of the International Society of Sports Nutrition – Protein & carbohydrate synergy for mass gain
-
Nutrients Journal – Role of EAAs/BCAAs in muscle protein synthesis
-
American Journal of Clinical Nutrition – Importance of caloric surplus for hypertrophy
-

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Mutant Mass (5lbs) – Weight Gain Protein Powder
Mutant Mass is a high-calorie, whole-food–based mass gainer engineered for athletes, hard gainers, and anyone needing serious calorie support to build size and strength. Designed using natural, nutrient-dense ingredients, Mutant Mass delivers a powerful combination of clean carbohydrates, high-quality protein, and essential fats to fuel muscle growth and recovery. With exceptional taste and gold-standard manufacturing quality, it remains MUTANT’s #1 best-selling gainer for good reason.
Why You’ll Love It
-
Massive 1,100 calories per serving to support rapid size and muscle gains
-
56 g of high-quality protein from multi-source blend
-
192 g of clean carbohydrates for sustained energy and glycogen replenishment
-
Made with real whole foods: barley, sweet potato, rolled oats, avocado, coconut oil, flaxseed, pumpkin seed & sunflower oil
-
Naturally contains 26.1 g EAAs and 12.2 g BCAAs for enhanced recovery
-
Includes essential fatty acids (EFAs) for hormone health and performance
-
Manufactured in MUTANT’s own state-of-the-art facility for consistency and purity
-
Gourmet taste with smooth mixability
How It Works
Mutant Mass works by supplying the body with a superior ratio of calories, protein, carbohydrates, and essential fats—everything needed for accelerated muscle growth and improved training performance.
Key Mechanisms
-
Calorie Surplus Support – Essential for mass gain; delivers over 1,100 nutrient-dense calories per serving.
-
High Protein Intake – 56 g of multi-source protein provides both fast and slow-digesting amino acids to support muscle repair and growth.
-
Clean Carbohydrates – 192 g of whole-food carbs replenish glycogen stores and fuel intense training.
-
Healthy Fats & EFAs – Oils from coconut, flax, avocado, pumpkin seed and sunflower support hormones, energy, and joint health.
-
Amino Acid Density – Naturally occurring EAAs and BCAAs optimize muscle protein synthesis and speed recovery.
This formula ensures your body stays in an anabolic (muscle-building) state throughout the day.
How to Use It
Add 24–32 fl oz (720–960 mL) of water to a blender or shaker cup, then mix in 4 scoops of Mutant Mass.
Blend or shake for 20–30 seconds.
Use once daily or as needed to meet calorie and protein goals.
The Bottom Line
Mutant Mass is a premium, whole-food–based mass gainer built to help you pack on serious size. With an unmatched calorie count, clean ingredient profile, and powerful amino acid content, it’s the go-to solution for hard gainers and athletes who demand real results.
Cited Sources
-
-
Journal of the International Society of Sports Nutrition – Protein & carbohydrate synergy for mass gain
-
Nutrients Journal – Role of EAAs/BCAAs in muscle protein synthesis
-
American Journal of Clinical Nutrition – Importance of caloric surplus for hypertrophy
-





















