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A 19-year-old male asked:

I just started to using a supplement called "mass tech" in order to gain weight and build muscle, turning 18 on october, will i face negative effects?

1 doctor answer3 doctors weighed in
Dr. John Kayvanfar
Sports Medicine 47 years experience
Refer to answer: I would not use it. On line could not find ingredients in it. You must know exactly what is in it, what are the sources, inorder to see how it is metabolized in your body to know what are the side effects and their consequences. A lot of products sold are dangerous to take.

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Last updated Apr 11, 2021

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