Optimum Nutrition Serious Mass Weight Gainer 12lbs Flavor:Banana METHYL B-12

METHYL B-12

It's almost impossible for the consumer to figure out what they are really getting

Benefits Bodybuilders and Athletes Through Enhanced Multi-Pathway GABA Activity

Allergens: Contains trace amounts of corn

a slower digesting protein that typically consumed for its anti-catabolic properties as it promotes a steady release of amino acids over time

Optimum Nutrition Serious Mass Weight Gainer 12lbs Flavor:Banana METHYL B-12The Bigger Picture of Weight Gainers: Serious weight gain requires serious calories. However, those who need the extra calories most, often have the toughest time consuming enough of them. For many aspiring to be bigger, highly active metabolisms, weaker appetites, and on the run lifestyles make consuming sufficient calories through whole foods alone a real challenge. With Serious Mass, you've got nothing to lose and lots to gain. We've consolidated