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Serious Mass is a high-quality gainer in the form of an all-in-one blend containing a high dose of quality carbohydrates. In addition, it is also a source of proteins that contribute to muscle growth, and there is no lack of vitamins, minerals or creatine. One serving has over 1,260 kcal, making it ideal for people who are trying to increase their calorie intake, for example, during the bulking phase.

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Serious Mass - Optimum Nutrition

4.6
Average from 373 reviews
(281 reviews)
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English reviews (0)
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Positive (17)
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Reviews in other countries (373)
  • akon

    Unverified purchase

    2/1/2018

    That's it? or is it just sugar?
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  • Jonny

    Unverified purchase

    11/15/2017

    .
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  • Andor

    Unverified purchase

    11/8/2016

    In terms of effectiveness, it is very good, you can grow from it, in terms of composition it is one of the best/most complex. I bought chocolate before, the measuring spoon is huge, so the stuff runs out a lot. The taste is fine, but there are still chunks left after long blending.
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  • Gabi

    Unverified purchase

    9/20/2016

    I picked the strawberries in the spring, it made a lot of difference in performance and weight!! I have progressed spectacularly from this product. And my food was only 50-60% correct. I can only recommend!
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  • Jim

    Unverified purchase

    10/16/2015

    I think it has everything you need for weight gain. Vitamins, sugars, etc. I like it a lot so far and it's not the last!
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  • bence

    Unverified purchase

    10/3/2015

    They are all very tasty. I only tried samples of three of them, but they were good. We use this in the gym when it comes to bulking up
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  • Sanyi

    Unverified purchase

    9/17/2015

    I've been using this for a long time and I finally found it cheap here! So I stick with this product if I want to take mass gainers.
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  • Peti

    Unverified purchase

    9/3/2015

    I take this every time. I am completely satisfied with it and everything is very delicious!
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  • Gusztáv

    Unverified purchase

    8/30/2015

    It has a very delicious taste. It can be easily mixed with both water and milk.
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  • Misi

    Unverified purchase

    8/19/2015

    I think it's just an average mass gainer. I didn't notice anything special about it. It tastes better than the bigger one, but nothing extra.
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