The Best Mass Gainer - October 2021

Based on the analysis of 28,424 reviews.



Optimum Nutrition Serious Protein Chocolate product image


Dymatize Super Gainer Cookies Cream product image


Best Value
Mass Gainer Protein Powder MuscleTech Mass Tech Extreme 2000 Muscle Builder Whey Protein Powder product image


Top Choice
Chocolate Naked Mass All Natural Chocolate Weight Gainer Protein Powder 8lb Bulk GMO Free Gluten product image


BSN TRUE MASS Chocolate Milkshake Servings product image


JYM Supplement Science Chocolate Mousse product image


Body Fortress Advanced Gainer Chocolate product image


Rivalus Clean Gainer Chocolate Pound product image


Best Seller
Naked Mass Chocolate Vegan Weight Gainer 8lb Bulk GMO Free Gluten Free Soy Free Dairy Free No product image


Mutant Mass Weight Gainer Protein Powder Build Muscle Size and Strength with 1100 Calories 56 product image

Top Mass Gainer Brands

Optimum Nutrition

Optimum Nutrition, Inc. (ON) is a wholly owned subsidiary of Glanbia, a top international cheese and nutritional ingredients group. ON owns and operates two top sports nutrition brands, including Optimum Nutrition and ABB Performance, supplying a comprehensive lineup of products across multiple classes.   With state-of-the-art production facilities in three countries, ON is the sole sports nutrition company to manufacture items in every merchandise group. Whether it's nutritional supplements, protein powders, ready-to-drink shakes and energy formulas, or minerals and vitamins, Optimum Nutrition requires a hands-on approach to maintaining the very highest standards.

Optimum Nutrition was established in 1986 to meet consumer demand for consistent quality in sport nutrition. The company is also known for innovation, being first to create a casein protein powder, and first to provide an all-micellar casein formula.   ON's  industry leadership can also be viewed in the dominance of Gold Standard 100 percent Whey, universally known as the planet's best-selling whey protein.  

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