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Optimum Nutrition Serious Mass Gainer Review - CARBS FOR GAINS!

Published 2 years ago125,872 views
So here you go! Finally my Optimum Nutrition Serious Mass Gainer Review - Carbs for Gains! A lot of you have been asking, so here you go, my opinion on this beast mass gainer!

Remember: Carbs are your best friend when it comes to gaining weight! Be sure to like, comment and subscribe and as always more videos to come!

Thanks A1supplements.com for the free cup and fast shipping!