Strength Muscles Insulin and IGF is a peptide hormone -like chemical structures . IGF By Production of the liver by stimulation hormones GH growth  in other words  superior insulin  is more anabolic . Concern for insulin  which increases the muscles  but the growth in the number and size of fat cells  which is unpleasant for everyone more androgens ( natural or synthetic  and the lower the concentration of SHBG) For additional estrogen the highest concentration is high SHBG. For example  in case of diabetes  SHBG concentrations are low . Pregnancy  SHBG concentration 10 times their iniziale.Questo increase in significant value has been 10 weeks and peaks 30 weeks pregnancy  then SHBG concentration to return to baseline over a week .

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