Price: $47.98 ($0.25 / Ounce) & FREE Shipping. Details
Price: $45.58 ($0.24 / Ounce) $47.98 Save $2.40 (5%)
Price: $47.98
In Stock. Ships from and sold by Amazon.com. Gift-wrap available.
In Stock. Ships from and sold by Amazon.com.




Subscribe & Save:


Cancel anytime. Already a member? Sign in

One-time purchase:

Optimum Nutrition Serious... has been added to your Cart

Other Sellers on Amazon
Add to Cart
$49.99 ($0.26 / Item)
+ Free Shipping
Sold by: GNC
Add to Cart
$49.99 ($0.26 / Item)
+ Free Shipping
Sold by: The Vitamin Shoppe

Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate, 192 Ounce

4.3 out of 5 stars 3,174 customer reviews
Amazon's Choice recommends highly rated, well-priced products available to ship immediately.
Amazon's Choice for "mass gainer"

About the product
  • High Calorie Weight Gainer: 1,250 Calories per 2-Scoop Serving
  • 50 Grams of Protein per Serving
  • Over 250 Grams of Carbohydrates per Serving
  • 25 Vitamins & Minerals Plus Creatine & Glutamine
  • Using an Electric Blender to Add Fresh or Frozen Fruits, Peanut Butter, Nuts & Other Calorie Dense Foods to Boost Your Weight Gain Potential
  • Search "ON Apparel True Strength" to see our new ON clothing line!

Frequently bought together

  • Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate, 192 Ounce
  • +
  • Optimum Nutrition Micronized Creatine Monohydrate Powder, Unflavored, 600g
  • +
  • Optimum Nutrition Gold Standard 100% Whey Protein Powder, Double Rich Chocolate, 5 Pound
Total price: $115.47
Buy the selected items together

Complete the set
Discover product recommendations selected by Amazon Buyers
Optimum Nutrition Serious Mass Weight Gainer Protein...
$47.98
$93.01

Discover additional products

Optimum Nutrition Gold Standard 100% Whey Protein Powder, Double Rich Chocolate 2 Pound
$29.98
Added to Cart
Optimum Nutrition Micronized Creatine Monohydrate Powder, Unflavored, 600g
$15.05
Added to Cart

Customers also bought

Optimum Nutrition Micronized Creatine Monohydrate Powder, Unflavored, 600g
$15.05
Added to Cart
BlenderBottle Classic Loop Top Shaker Bottle, Clear/Black, 28-Ounce Loop Top
$9.16
Added to Cart
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Vanilla, 12 Pound
$47.98
Added to Cart
BlenderBottle Pro45 Extra Large Shaker Bottle, Grey/Black, 45-Ounce
$12.99
Added to Cart
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Strawberry, 12 Pound
$47.99
Added to Cart
BlenderBottle Pro45 Extra Large Shaker Bottle, Grey/Blue, 45-Ounce
$12.99
Added to Cart
Added to your Cart


Have a question?

Find answers in product info, Q&As, reviews

Please make sure that you are posting in the form of a question.

Don't see what you're looking for?
There was a problem completing your request. Please try your search again later.
All Product Information Customer Q&A's Customer Reviews

From the manufacturer

Product description

Flavor:Chocolate

Serious Mass is the ultimate in weight gain formulas. With 1,250 calories per serving and 50 grams of protein for muscle recovery support, this instantized powder makes the ideal post-workout and between meals shake for sizing up your goals. Serious Mass provides you with the tools you need to pack on the pounds and help you develop the physique you’ve always wanted.


Product details

Flavor: Chocolate
  • Product Dimensions: 6.1 x 11.2 x 18.3 inches ; 11.99 pounds
  • Shipping Weight: 12.2 pounds (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B000GIPJ0M
  • UPC: 748927023800 748927056525 190283375640
  • Item model number: 1054518
  • Average Customer Review: 4.3 out of 5 stars 3,174 customer reviews
  • Amazon Best Sellers Rank: #771 in Health & Household (See Top 100 in Health & Household)
  • Would you like to tell us about a lower price?


Important information

Safety Warning
Allergen Information: Contains dairy, corn, egg, soy (from Lecithin), and wheat ingredients. Diabetics and Hypoglycemics, consult a physician before using this product. Keep out of reach of children.

Ingredients
Maltodextrin, Protein Blend (Whey Protein Concentrate, Calcium Caseinate, Egg Albumen, Sweet Dairy Whey), Cocoa (Processed with Alkali), Natural and Artificial Flavors, Vitamin and Mineral Blend (Dipotassium Phosphate, Magnesium Aspartate, Dicalcium Phosphate, Calcium Citrate, Ascorbic Acid, Niacinamide, Zinc Citrate, Beta Carotene, d-Calcium Pantothenate, d-alpha Tocopheryl Succinate, Selenomethionine, Copper Gluconate, Ferrous Fumarate, Manganese Amino Acid Chelate, Thiamin Mononitrate, Pyridoxine Hydrochloride, Riboflavin, Chromium Polynicotinate, Folic Acid, Biotin, Molybdenum Amino Acid Chelate, Cholecalciferol, Potassium Iodide, Cyanocobalamin), Lecithin, Acesulfame Potassium, Medium Chain Triglycerides.

Directions
Suggested Use: Add two (2) heaping scoops (scoop included) of Serious Mass to a large blender filled with 24 fl oz of cold water or milk. If desired, add ice and other ingredients; cover and blend on high speed for 45 to 60 seconds - or until thoroughly mixed. Note: New users may find it beneficial to begin with one half (1/2) of a serving daily for the first week, gradually increasing to one or more full servings several times a day. Store in a cool, dry place.

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

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.

Compare with similar items


Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate, 192 Ounce
Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate, 6 Pound
Optimum Nutrition Pro Gainer Weight Gainer Protein Powder,Double Rich Chocolate, 10.19 Pounds (Packaging May Vary)
BSN TRUE-MASS Weight Gainer, Muscle Mass Gainer Protein Powder, Chocolate Milkshake, 5.82 Pound
NAKED MASS - Natural Weight Gainer Protein Powder - 8lb Bulk, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients - 1,250 Calories - 11 Servings
Optimum Nutrition Gold Standard Gainer, Colossal Chocolate, 5 Pound
Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart
Customer Rating 4 out of 5 stars (3174) 4 out of 5 stars (1086) 4 out of 5 stars (1297) 4 out of 5 stars (770) 4 out of 5 stars (360) 3 out of 5 stars (32)
Price $47.98 $28.35 $69.69 $41.47 $64.99 $47.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Amazon.com Amazon.com Naked Nutrition Inc Amazon.com
Item Dimensions 11.18 x 6.07 x 18.32 in 8.06 x 8.06 x 10.34 in 5 x 6 x 4 in 8 x 8 x 11 in 4.5 x 11.5 x 14 in
Size 12lb Bag Serious Mass 6 Pound 10lbs Gainer 5.82 Pound 8 lbs. 5 Pound

Customer Questions & Answers

Customer Reviews

Read reviews that mention

Top customer reviews

April 5, 2018
Flavor: Banana|Verified Purchase
Comment| 49 people found this helpful. Was this review helpful to you? Report abuse
July 1, 2016
Flavor: Chocolate Peanut Butter|Verified Purchase
Comment| 271 people found this helpful. Was this review helpful to you? Report abuse
May 22, 2014
Flavor: Chocolate|Verified Purchase
Comment| 1,373 people found this helpful. Was this review helpful to you? Report abuse
January 7, 2017
Flavor: Chocolate Peanut Butter|Verified Purchase
Comment| 8 people found this helpful. Was this review helpful to you? Report abuse
April 19, 2017
Flavor: Chocolate|Verified Purchase
review image
Comment| 193 people found this helpful. Was this review helpful to you? Report abuse
January 14, 2018
Flavor: Chocolate|Verified Purchase
Comment| 8 people found this helpful. Was this review helpful to you? Report abuse

Most recent customer reviews

Set up an Amazon Giveaway

Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate, 192 Ounce
Amazon Giveaway allows you to run promotional giveaways in order to create buzz, reward your audience, and attract new followers and customers. Learn more about Amazon Giveaway
This item: Optimum Nutrition Serious Mass Weight Gainer Protein Powder, Chocolate, 192 Ounce
Pages with related products. See and discover other items: cheap protein, frozen drinks, chocolate shake, muscle recovery, best creatine, best of whey protein

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.