CytoSport Monster Mass
CytoSport Monster Mass


New Powerful Formula. Mass Gaining Formula With mTOR Activators. Science confirms what athletes have always known: high quality calories and protein intake is linked to muscle size and strength. Monster Mass is a macronutrient dense gainer designed to maximize lean mass gains. 50% More Leucine. Monster Mass is fortified with 4 grams of added L-Leucine to drive an industry leading 3:1:1 Ratio of BCAAs. Recent university research shows that Leucine enriched beverages consumed with exercise synergistically activates and prolongs activity of mTOR signaling pathway, which increases muscle anabolic potential (muscle growth). Monster Mass contains 50% more Leucine per gram protein than typical protein powders. Typical Amino Acid Profile per 4 scoops 150g (50g Protein): L-Isoleucine 2,495mg, L-Leucine 8,465mg, L-Valine 2,560mg, L-Tryptophan 710mg, L-Lysine 3,810mg, L-Threonine 2,370mg, L-Phenylalanine 1,625mg, L-Methionine 955mg, L-Alanine 1,830mg, L-Arginine 1,110mg, L-Glycine 775mg, L-Aspartic Acid 4,135mg, L-Glutamine & Precursors 10,215mg, L-Cysteine 945mg, L-Histidine 945mg, L-Tyrosine 1,570mg, L-Proline 3,310mg, L-Serine 2,175mg. 50g Protein Matrix: (0-2 Hours, Rapid Release Proteins: Whey Protein Concentrate, Whey Protein Isolate, Whey Protein Hydrolysate). (2-6 Hours, Sustained Release Proteins: Whey Protein Concentrate, Milk Protein Isolate, Micellar Casein, Caseinates). 610 Calories: Macronutrient Dense Formula For Maximizing Lean Mass Gains. 4g Added L-Leucine: For mTOR Pathway Activation (Muscle Protein Synthesis). 2g Added L-Glutamine: To Enhance Muscle Tissue Recovery/Repair. 250mg Aminogen: Digestive Enzyme Complex For Efficient Protein Digestion and Utilization. Carbohydrates Drive Protein Utilization: Carbohydrates Trigger Insulin Production Which In Turn Helps Drive Amino Acid Uptake and Utilization By Muscle Tissues. Since we founded CytoSport in 1998, we've been dedicated to working with sports scientists, coaches and trainers to redefine protein enhanced products for active lifestyles and serious athletes– supporting performance when it matters. Over the years, we've expanded to create a comprehensive line that encompasses the athletic experience from preparation, to hydration, to recovery. Our products are among the very few that are manufactured in a NSF International GMP for Sport Registered facility. Our facilities are also inspected and regulated by the FDA. We carefully manufacture our powder products and ready-to-drink pre-blends onsite at our corporate campus in Benicia, California. Making efficacious products for athletes and active lifestyle individuals requires responsibility on all fronts. As our business has grown, so has our footprint. We have made environmental sustainability a focus and driver in everyday decision making. For more, please visit our website. Through it all, CytoSport has been committed to one thing, building athletes from the inside out. Greg and Mike Pickett, Father/Son. Made in USA.


Mix 4 scoops (150g) into 18-20 fl-oz water. The optimal time for a serving of Monster Mass is 30-45 minutes immediately after your workout. This timing is critical because your muscles absorb approximately 80% of the aminos and carbs necessary to help them grow during the two hour period immediately following exercise. Depending on your weight gain and caloric needs take Monster Mass as a snack or as a meal addition. CytoSport products complement a healthful eating and hydration plan that, when combined with a balanced exercise program may contribute to healthy weight management and recovery from exercise. Use as part of a well-balanced diet that includes whole foods and other protein sources.


Do not use this product as your sole source of nutrition. Contains Ingredients Derived From Milk and Soy. This Product is Manufactured in a Facility That Processes Milk, Soy, Wheat and Eggs.


Maltodextrin, Rapid Release Protein Blend (Whey Protein Concentrate, Whey Protein Hydrolysate, Whey Protein Isolate), Sustained Release Protein Blend (Milk Protein Concentrate and/or Isolate, Micellar Casein, Calcium and Sodium Caseinate), Waxy Maize Starch, Lean Lipids (Sunflower Oil, Canola Oil, Medium Chain Triglycerides), Natural and Artificial Flavor, Soluble Corn Fiber, Fructo-Oligosaccharides, Potassium Chloride, Tricalcium Phosphate, Acesulfame Potassium, Sucralose, Stevia (Rebiana), Lactase, Bromelain, Papain, Soy Lecithin.

Sizes Available

5.95 lbs (2700 g)

Flavors Available

Banana Creme

Features Benefits
Calories 610.0
Calories from Fat 110.0
Total Fat 12.0 Scoops, 18.000% daily value
Saturated Fat 4.0 Scoops, 20.000% daily value
Cholesterol 85.0 Scoops, 28.000% daily value
Sodium 170.0 Scoops, 7.000% daily value
Potassium 490.0 Scoops, 14.000% daily value
Total Carbohydrate 75.0 Scoops, 25.000% daily value
Dietary Fiber 5.0 Scoops, 20.000% daily value
Sugars 6.0 g
Protein 50.0 Scoops, 100.000% daily value
Calcium 70.000% daily value
Riboflavin 35.000% daily value
Biotin 35.000% daily value
Phosphorus 70.000% daily value
Vitamin B12 (as Cyanocobalamin) 35.000% daily value
Vitamin C (as Ascorbic Acid) 35.000% daily value
Vitamin D (as Cholecalciferol) 35.000% daily value
Folate (as Folic Acid) 35.000% daily value
Niacin (as Niacinamide) 35.000% daily value
Thiamin (as Thiamin Mononitrate) 30.000% daily value
Magnesium (as Magnesium Oxide) 40.000% daily value
L-Glutamine 2.0 g
Iron (as Ferrous Fumarate) 35.000% daily value
Zinc (as Zinc Oxide) 35.000% daily value
Copper (as Copper Gluconate) 35.000% daily value
Iodine (as Potassium Iodide) 50.000% daily value
L-Leucine 4.0 g
Chromium (as Chromium Nicotinate) 80.000% daily value
Pantothenic Acid (as D-Calcium D-Pantothenate) 40.000% daily value
Vitamin B6 (as Pyrdoxine HCl) 35.000% daily value
Vitamin A (as Vitamin A Acetate) 35.000% daily value
Vitamin E (as Di-Alpha Tocopheryl Acetate) 40.000% daily value
Aminogen (Digestive enzymes) 250.0 mg

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