High-Protein Mass Gainer


100% Mass-Gainer



A macronutrient that is essential to building muscle mass. Protein ensures you hold onto muscle built in and out of the gym. 

When mixed with 2 cups of skim milk.



Bulk up and increase your dietary protein, carbohydrate and overall calorie intake for increased size and strength. 



Creatine is found naturally in the muscle cells and helps your muscles produce energy during heavy lifting or HIIT exercise. 


Complex Carb Blend

We use a precise, nutrient-dense carb-to-protein ratio for better gains in size and strength.

Measured in character. Not just muscle. 

Whether or not you’re competing—you’re always looking for an edge. For more than two decades, we’ve fueled those with the strength to not just play the game, but to change it. MuscleTech is about more than the physical gains, it’s about incredible possibilities. 

Strength Redefined

Bulk up! Specifically formulated for performance athletes looking to increase muscle size and strength, 100% Mass Gainer is a premium weight gainer packed with high grade protein, carbs and overall calories.

Sled push


Bulk up! Specifically formulated for performance athletes looking to increase muscle size and strength, 100% Mass Gainer is a premium weight gainer packed with high grade protein, carbs and overall calories.

Why take 100% Mass Gainer?

The stuff on the label

100% Mass Gainer is a premium weight gainer for increased size and strength. Are you a hard gainer? Whether you’ve struggled with adding size or you want to break plateaus, we’ve got you. 

Superior mass gains

Our 100% Mass Gainer is packed with high-quality protein and mass-producing calories, plus muscle-fueling creatine, a proven anabolic driver for faster mass and strength gains.

Get bigger and stronger

This superior formula with proven muscle building ingredients will help you get bigger and stronger – faster than you ever imagined. 

Nutrient-dense muscle fuel

The high-quality protein and easily digestible carbs delivers 1,500 clean calories when mixed with 2 cups of skim milk. 


MuscleTech® brings together active nutrition and human potential together for a greater purpose. We fuel those who raise the bar – whether you’re an elite athlete, weekend warrior, or just trying to stay healthy — we believe in growing stronger together. From essential nutrition to cutting-edge formulas, we’ve got your fit. Join us as we redefine what it means to be strong. After all, it’s not just about personal bests – it’s about a better way for us all.

Increase protein synthesis 

Each serving supplies over 6g of L-leucine and more than 13g of BCAAs when mixed with 2 cups of skim milk – important amino acids for increasing muscle protein synthesis after a workout. 

Maximize strength potential today 

100% Mass Gainer only uses pure HPLC-tested creatine. Scientific studies have shown that it helps replenish ATP stores in the body for enhanced performance, more muscle and increased strength. 

Reach muscle building milestones

Our formula is as critical as it gets for improving recovering and building lean muscle. The best part? It’s powerful and potent, but still tastes great. 

Performing arm curls with barbell

All killer, no filler

No underdosed ingredients, or fillers in this formula! Every fully disclosed scoop of 100% Mass Gainer provides maximum potency for maximum results.

MuscleTech - Seal of Authenticity


The sticker used to verify your product is found on these MuscleTech® staples. Look for this sticker to confirm you’re buying the real deal!



Each of our formulas is backed by science, developed by the industry’s leading experts, and designed to help you push your limits and recover more quickly. MuscleTech is trusted by competitors around the world—each ingredient is safe and fully disclosed.

Mass tech elite

100% Mass Gainer

Helps increase dietary protein, carbohydrate and over calorie intake for more size. 

Shatter elite


Gives you the energy to power through your toughest training sessions.

Clear Muscle

Clear Muscle®

Backed by 15 clinical studies, this is the world’s most advanced choice for muscle amplification and recovery.

Supplement Facts


100% Mass-Gainer