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  1. #1
    Jack Reiner is offline New Member
    Join Date
    Mar 2015

    IGF LR3 shutdown of regular pituitary function?

    The title says it all. I have been running igf lr3 for the past 4 weeks at 60mcg per day. I stopped and I have experienced a decrease in libido and erection frequency. Is there a mild pituitary function shutdown from administering igf lr3? If so, will it eventually restore itself and how long would it take?

    Thank you for your time and help,


  2. #2
    Join Date
    Aug 2010
    You taking anything else besides the igf-lr3? I can't imagine taking 60mcg for 4 weeks will shutdown your pituitary. I didn't think the HGH and igf-lr3 crossed the same gland to that magnitude.

  3. #3
    danny ruiz is offline New Member
    Join Date
    Apr 2013
    ran it at 50 mcg for 4 weeks did not experience any pituitary shutdown

  4. #4
    Bonaparte's Avatar
    Bonaparte is offline AR-Hall of Famer
    Join Date
    Aug 2009
    No. IGF doesn't cause a testosterone negative feedback loop.
    These things just happen, no need to blame it on impossible causes.
    Last edited by Bonaparte; 05-16-2015 at 10:36 AM.

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