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Serious Mass
Great tasting, easy mix and great value mass gain product. What makes this so special, is that despite the low price and the ingredients are all super high quality! A true hardgainers dream shake!


Rated 4.5 / 5 with 2 ratings


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Optimum Nutrition is a leading manufacture of high quality sports supplements! Their product range is extensive and the nutritional quality of every supplement is comprehensive, offering you the most premium grade proteins and top end carbohydrates available.

Serious Mass is an exceptional high calorie weight gainer, if you’re a true hard gainer who forever can not seem to gain size and weight due to a fast metabolism this high protein shake will give you the gains you’re desperate for.

By using a blend of carbohydrates and protein in mammoth proportions, serious mass will bombard your body will such a surplus of calories forcing to gain weight, mostly muscle mass. As fitness enthusiasts seeking to lead to healthy lifestyle it is important to use high quality nutrition as the saying 'you are what you eat' holds some truth. With this in mind, serious mass uses a cutting edge blend of protein enriched with creatine and glutamine as well as low GI maltodextrin.

Dense in nutrients, a delicious taste and over 1000kcal per shake, serious mass will dramatically increase muscle mass and bodyweight!!!

This product is also listed in the following categories:

Optimum Nutrition

Rated By: Nick Rated 4
I think serious mass is good protein. I take 1 scoop in the morning and it keeps me 4-5 hours. I think that I am foul of energy. The same also happens before my exercise in the afternoon.
Chocolate is very very nice but Straw is not so good.

Rated By: mitch jones Rated 5
I have gained over 25 pd in a month!!!!
chocolate taste great.I would wreak a mend it to anyone.It Works.

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