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  • Optimum Nutrition Serious Mass, Chocolate, 6 Pound
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Optimum Nutrition Serious Mass, Chocolate, 6 Pound

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List Price: $41.79
Price: $27.74 ($4.62 / Pound) & FREE Shipping on orders over $35. Details
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Chocolate
6-Pounds
  • 50 g of blended protein
  • Over 250 g of carbohydrates with no added sugar
  • Enhanced with Creatine, Glutamine, and Glutamine Peptides
  • 25 Vitamins and Essential Minerals
22 new from $27.74

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Explore the Sports Nutrition Store Find all your workout essentials in Sports Nutrition. Shop now.

Frequently Bought Together

Optimum Nutrition Serious Mass, Chocolate, 6 Pound + BlenderBottle Classic Shaker Bottle, 28-ounce, Clear/Black + Optimum Nutrition Creatine Powder, Unflavored, 600g, 114 Servings
Price for all three: $51.12

Buy the selected items together


Important Information

Ingredients
Maltodextrin, Proprietary Protein Blend (Whey Protein Concentrate, Calcium Caseinate, Sweet Dairy Whey, Egg Albumen), Cocoa, Natural & Artificial Flavor, Vitamin/Mineral Blend (Di-potassium Phosphate, Magnesium Aspartate, Di-calcium Phosphate, D-calcium Pantothenate, Calcium Citrate, Manganese Amino Acids Chelate, Zinc Citrate, Ascorbic Acid, Niacinamide, Biotin, D-alpha Tocopheryl Succinate, Beta Carotene, Selenomethionine, Ferrous Fumarate, Molybdenum Amino Acid Chelate, Copper Gluconate, Pyridoxine Hydrochloride, Thiamin Mononitrate, Riboflavin, Folic Acid, Chromium Polynicotinate, Cyanocobalamin, Cholecalciferol), Acesulfame Potassium, Mct Powder, Cellulose Gum.

Legal Disclaimer
Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please see our full disclaimer below.

Product Description

Flavor: Chocolate | Size: 6-Pounds

Optimum Nutrition Serious Mass, Chocolate

High-Calorie Weight Gain Formula

Serious weight gain goals require serious calories. Unfortunately, those who need the extra calories most often have a hard time consuming enough of them. For many aspiring to be bigger, a highly- active metabolism, weaker appetite and on-the-run lifestyle can make it a real challenge to get enough calories from food. With 1,250 calories and 50 grams of protein per serving, you’ve got lots to gain from ON’s Serious Mass. Get serious about your sizable ambitions with Serious Mass.

Beyond The Basics

1,250 calories per serving mixed with water and 1,640 calories when blended into low-fat milk. Over 250 grams of carbohydrates to fuel intense workouts & help replenish glycogen stores – with no sugar added. Includes 25 Vitamins & Minerals, Creatine, Glutamine & MCTs.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.


Calories That Count

With less than 5 grams of fat per serving, and no added sugars, Serious Mass is the weight gain formula packed with calories that count during recovery.

Supercharge Your Serious Mass

Using an electric blender, you can add nuts, fresh or frozen fruits and other calorie-contributing ingredient to enhance the weight gain and muscle recovery potential of Serious Mass.

Optimal Usage Occasions

Between meals, after weight training and before bed.

The Brand You Trust For Quality

Optimum Nutrition (ON) was founded in 1986 with a mission to set higher standards for the sports nutrition industry. As one of the few manufacturers to own and operate state-of-the-art production facilities that are GMP compliant, ON’s commitment to quality is uncompromising. You’ll appreciate the extra effort the industry leader puts into assuring ingredient purity, effortless mixing and exceptional taste.


Product Details

Flavor: Chocolate | Size: 6-Pounds
  • Product Dimensions: 6 x 5 x 4 inches ; 6 pounds
  • Shipping Weight: 6.5 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • Origin: USA
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B0015R36SK
  • UPC: 854585902279 748927022995
  • Item model number: 1054622
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (1,214 customer reviews)
  • Amazon Best Sellers Rank: #2,659 in Health & Personal Care (See Top 100 in Health & Personal Care)
  • Discontinued by manufacturer: Yes
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Customer Reviews

We will be buying again when this bag runs out.
ALHARRIS
Chocolate flavor tastes great, especially with vanilla almond milk.
M. S. Beane
I recommend this product to anyone that needs to gain weight.
Tyler J Kalina

Most Helpful Customer Reviews

22 of 22 people found the following review helpful By Abby on December 15, 2014
Flavor Name: ChocolateSize Name: 12-Pounds Verified Purchase
Have been using this for quite some time. My husband had cancer and went through chemo & radiation extensively! He wasn't able to eat and lost 65 lbs. we were able to put this product trough his feeding tube to help keep his strength up....needless to say, very pleased!
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194 of 232 people found the following review helpful By Sticky on May 22, 2014
Flavor Name: ChocolateSize Name: 12-Pounds Verified Purchase
I've just finished my 3rd bag (Over about 3 months) and went from 205 -> 220. Was hoping to end up around 235 but I'm married so I never get what I want.
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42 of 48 people found the following review helpful By Clark T. on October 13, 2014
Flavor Name: ChocolateSize Name: 12-Pounds Verified Purchase
With the size scoop this weight gainer comes with and the amount of calories per serving, I only use one scoop per serving which is half of the recommended serving. For someone who wants to put on mass quickly, I think this is the optimal amount as there is no way the human body will digest a serving of 1200+ calories. With that being said, the taste isn't bad at all, and for the price, it's the weight gainer to get if putting on weight is your primary motivation.

I would also recommend to anyone with these types of goals to also supplement amino acids separately to help with digestion and absorption and if your hitting the gym hard, definitely adding a natural test and gh booster like DAA; ★ 50% Off Sale Today Only ★ Pure DAA D-Aspartic Acid Powder (200 Grams - Over 60 Servings) ★ Optimize Testosterone Levels - Promote Muscle Growth - Increase Strength & Endurance ★ Try it 100% Risk Free(which is what I take) or even some longjack or trib to elevate hormone levels in order to use those extra calories build more muscle is not a bad idea at all.
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100 of 144 people found the following review helpful By G. Fox on April 20, 2011
Flavor Name: ChocolateSize Name: 12-Pounds Verified Purchase
I hit a plateau recently because I just couldn't eat enough to gain weight (I'm 6' 4", have a blazing fast metabolism, and exercise anywhere between 5 and 7 hours a week so I now consume 4000 cal. a day) and this stuff really pulled through for me. I'm up 5 pounds in 2 weeks and obviously it's not all muscle but I've always used the 1) gain weight, 2) lose just the fat, 3) repeat, method for body building and Serious Mass has been a huge help so far.

I couldn't tell you much about the taste. Once each morning and once after workouts I throw a scoop into a smoothie mixed with low fat milk, low fat ice cream, some vanilla extract, and various fruits (depending on what I'm feelin') so I don't know what it tastes like mixed alone in a cup of water or milk. The smoothie is delicious though.

I certainly plan on buying another bag when I'm finished (which might be a while because the bag is HUGE). Also, to brighten up my day, I took a black sharpie to the "M" in MASS and it puts a smile on my face every morning.
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4 of 5 people found the following review helpful By Tyler J Kalina on September 30, 2011
Flavor Name: StrawberrySize Name: 12-Pounds Verified Purchase
I was hospitalized for the better part of a month, during which I lost 30 pounds. I was lean to start with so I needed to gain the weight back quickly for a corrective surgery. My diet was restricted to easily digestible foods so fluids were the best option. I purchased Serious Mass after my weight was level even though I was getting 3000 to 3500 calories a day using Ensure Plus and other high calorie foods. When I added serious mass to my diet, I gain 15 pounds in 3 weeks.

I used strawberry flavor. It's not very tasty, so I added peanut butter, chocolate and used milk. I only drank a half serving a day which worked well. Definately use a blender to mix this stuff.

I recommend this product to anyone that needs to gain weight. It is low in fat, high in protein and nutrients so it is a great option for people trying to gain weight for health reasons.
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2 of 2 people found the following review helpful By Mark on January 17, 2015
Flavor Name: ChocolateSize Name: 3-Pounds Verified Purchase
Bought the 3lb size to test it out. Was a little taken back by the scoop size but I found that taking 1 scoop twice a day once in the morning and once at night is manageable. Put on 4 lbs and just finished the container, works really well for me compared to other products, will be ordering a larger size.
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1 of 1 people found the following review helpful By pat on June 30, 2014
Flavor Name: ChocolateSize Name: 12-Pounds Verified Purchase
OK so the powder has everything I was looking for - protein and a ton of carbs for my crazy-high metabolism. However, the serving size of this thing is a joke. A serving makes an entire (large) blender's worth of protein shake. I used a magic bullet with my old powder... for reference I would have to make 4 VERY THICK magic bullets for a full serving. Drinking half a serving is enough to give me a slight stomach ache, so I'm giving it 3 stars.
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1 of 1 people found the following review helpful By Travis Darling on January 19, 2015
Flavor Name: ChocolateSize Name: 12-Pounds Verified Purchase
First of let me start out with saying great product for the price!!

I was stationed on an Aircraft Carrier out of Japan for two years and this was my main source of vitamins, protein and all the other goodies it offers with that low price! It also serves as a great meal replacement or if i was to busy with work i could grab a shake and rink that instead being it has the calories to sustain me for the day. Great price, great product!!!
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Most Recent Customer Reviews

Disclaimer: While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Amazon.com assumes no liability for inaccuracies or misstatements about products.