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Item model number:38306
Item model number:POWWPC80CHE2KG
This clinically tested
Item model number:POWWPC80CMB2KG
Product Dimensions: 9
Optimum Nutrition (ON) Serious Mass - 12 lbs (Strawberry) Flaxseed Item model number:38306Optimum Nutrition Serious Mass combines high quality carbohydrates and proteins and comes fortified with essential minerals and nutrients to support better growth and development. ON Serious Mass is a trustworthy weight gainer that has won many loyal fans simply because it is effective as well as efficient. For those who have a poor appetite, hectic routines and over active metabolism, ON Serious Mass offers a simple way to gain massive weight. Each
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