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Higher concentrations of ingredients do not necessarily equate to higher effectiveness - in fact
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Optimum Nutrition Serious Mass Protein Powder Chocolate 2.73kg to-be-deleted Higher concentrations of ingredients doSerious 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, a highly active metabolism, weaker appetite and on the run lifestyle can make it a real challenge to consume enough calories through whole foods alone. Serious Mass is the ultimate in weight gain formulas. With 1,262 calories per serving to boost daily calorie intake, 50 g