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Serious Mass gets chocolate peanut butter, Optimum add a 5th to their 1250 calorie protein

Optimum Nutrition add chocolate peanut butter to Serious Mass

Optimum Nutrition’s mass protein powder, appropriately titled Serious Mass, was previously only available in four flavors and three sizes. The veteran supplement company have now added to their list of options, with a fifth taste they borrowed from their 3.3lb variant of Gold Standard Whey, chocolate peanut butter. Nothing has been said

about whether or not the flavor is set to be offered across all three volumes of Serious Mass. Although we can confirm at least one size for the variant, the 8 serving 3lb tub. A lot of places are already stocking the chocolate peanut butter mass formula, so if the taste does strike your fancy, you won’t need to look far.

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