Muscles mass building is essential not only for the good masculine structure, it is important for keeping your body fit for life. It is proved that after the age of 30, 3 to 8 percent of muscle mass gets reduced after passing every decade thereafter. This happens for the lower of testosterone in men and estrogen in women. Both hormones individually affect on building muscles in men and women. For the lack of these hormones, the nerve and blood cells are get changed. The amino acids do not convent to prevent the decay of muscle cells.
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