Why Serious Mass™?
- Each serving is packed with 1,250 calories to support a calorie surplus for weight and muscle building.*
- 50 grams of protein to support muscle building and recovery.*
- 252 grams of carbohydrates to support fueling of intense workouts and aid in replenishment of glycogen stores.
- 3 grams of creatine monohydrate to support performance.
- 25 vitamins and minerals plus glutamine.
Optimum Nutrition® has been trusted to provide the highest quality in post-workout recovery, pre-workout energy and on-the-go sports nutrition for over 30 years and in 90+ countries. After careful supplier selection, each ingredient is tested to assure exceptional purity, potency and composition. We hold ourselves to the highest production standards, all so you can unlock your body’s full potential.
Serious Mass™ is designed to provide serious calories, protein and carbohydrates – making this a convenient way to get extra calories throughout your day.
*When taken in addition to normal calorie intake and regular weight resistance training
Suggested use
- 336 grams about 2 heaping scoops Serious Mass™ protein powder.
- 24 fl oz cold water, milk or other beverage
- 30-45 seconds blend until dissolved
Tips: New users may find it beneficial to begin with 1/2 of a serving daily for the first week and then gradually increase to 1 serving a day.
For healthy adults, consume protein to meet your daily protein requirements with a combination of high protein foods and protein supplements throughout the day as part of a balanced diet and exercise program.
Other ingredients
Maltodextrin, protein blend (whey protein concentrate, calcium caseinate, egg whites, sweet whey), cocoa (processed with alkali), natural and artificial flavor, medium chain triglycerides, lecithin, acesulfame potassium, sucralose.
Contains: Egg, milk, soy.

Dragon Herbs (Ron Teeguarden), Tonic Alchemy, The Ultimate SuperTonic Superfood Blend, 9.5 oz (270 g)
Nordic Naturals, Ultimate Omega, Lemon, 640 mg, 180 Soft Gels
Nutrex Research, IsoFit, Chocolate Shake, 5 lbs (2,317 g)
Optimum Nutrition, Gold Standard 100% Whey, Vanilla Ice Cream, 5 lb (2.27 kg)
MuscleTech, Nitro Tech 100% Whey Gold, Strawberry Shortcake, 5.03 lbs (2.28 kg)
MuscleTech, Nitro Tech, Whey Peptides & Isolate Lean Musclebuilder, Milk Chocolate, 10 lbs (4.54 kg)
Optimum Nutrition, Gold Standard 100% Whey, French Vanilla Creme, 5 lb (2.27 kg)
Optimum Nutrition, Gold Standard 100% Isolate, Chocolate Bliss, 3 lb (1.36 kg)
Optimum Nutrition, Naturally Flavored Gold Standard 100% Casein, French Vanilla, 4 lb (1.81 kg)
Dymatize, ISO100 Hydrolyzed, 100% Whey Protein Isolate, Gourmet Vanilla, 5 lb (2.3 kg)
New Chapter, Every Woman's One Daily 55+ Multivitamin, 72 Vegetarian Tablets
NaturesPlus, Source of Life Gold Tablets, Ultimate Multi-Vitamin Supplement, 180 Tablets
Optimum Nutrition, Gold Standard 100% Casein, Chocolate Supreme, 3.97 lb (1.8 kg)
Pure Essence, LifeEssence, Whole Food Based Multivitamin, 240 Tablets
Optimum Nutrition, Gold Standard 100% Whey, White Chocolate, 5 lbs (2.27 kg)
Gaspari Nutrition, Proven Egg, 100% Egg White Protein, Salted Caramel, 2 lb (900 g)
Optimum Nutrition, Gold Standard 100% Casein , Creamy Vanilla, 3.86 lb (1.75 kg)
ALLMAX, IsoNatural, Pure Whey Protein Isolate, Unflavored, 5 lbs (2.27 kg)
Optimum Nutrition, Gold Standard 100% Whey, Naturally Flavored, Chocolate, 4.8 lb (2.17 kg)
ALLMAX, Isoflex, Pure Whey Protein Isolate, Chocolate Peanut Butter, 5 lbs (2.27 kg)
Optimum Nutrition, Gold Standard 100% Whey, Rocky Road, 5 lb (2.27 kg)
Optimum Nutrition, Gold Standard 100% Casein, Cookies & Cream, 2 lb (907 g)
Optimum Nutrition, Gold Standard 100% Whey, Coffee, 5 lbs (2.27 kg)
ALLMAX, IsoNatural, Pure Whey Protein Isolate, Vanilla, 5 lbs (2.27 kg)
Nutrex Research, IsoFit, Vanilla Bean Ice Cream, 5 lbs (2,261 g)
Perfect Sports, Diesel, New Zealand Whey Isolate, Triple Rich Chocolate, 5 lbs (2.27 g)
MuscleTech, Platinum, 8-Hour Protein, Vanilla Cake, 4.58 lbs (2.08 kg)
Optimum Nutrition, Gold Standard 100% Casein, Chocolate Supreme, 1.87 lb (850 g)
New Chapter, Perfect Energy Multivitamin, 96 Vegetarian Tablets
Dymatize, Super Mass Gainer, Gourmet Vanilla, 6 lbs (2.7 kg)
ALLMAX, Classic AllWhey, 100% Whey Protein Source, Cookies & Cream, 5 lbs. (2.27 kg)
Garden of Life, Vitamin Code, 50 & Wiser Men, Whole Food Multivitamin, 240 Vegetarian Capsules
MuscleMeds, Carnivor Shred, Hydrolyzed Protein, Vanilla Caramel, 3.8 lbs (1,736 g)
MuscleMeds, Carnivor, Bioengineered Beef Protein Isolate, Cookies & Cream, 3.7 lbs (1680 g)
Garden of Life, RAW Organic Meal, Meal Replacement Shake, Chocolate, 38.03 oz (1,078 g)
Vega, Sport, Plant-Based Premium Protein Powder, Chocolate, 1 lb 13.5 oz (837 g)
Focus Factor, Max Strength, 120 Capsules
Optimum Nutrition, Serious Mass, High Protein Weight Gain Powder, Strawberry, 6 lb (2.72 kg)
310 Nutrition, All-In-One Meal Shake, Caramel Sundae , 14.4 oz (407.4 g)
Optimum Nutrition, Serious Mass, Chocolate, 6 lb (2.72 kg)
Olympian Labs, CLA, 1,000 mg, 210 Softgels
310 Nutrition, All-In-One Meal Shake, Chocolate Bliss, 14.6 oz (414.4 g)
Vibrant Health, Maximum Vibrance, Version 6.1, Chocolate Chunk, 25.46 oz (721.8 g) 






