IGF-1 and T4
- 05-20-2007, 06:00 PM
- 05-21-2007, 12:40 AM
05-23-2007, 06:13 AM
05-23-2007, 09:51 AM
To OP: But, you should know that the idea behind supplementing T4 and hgh is to promote igf-1 production/sensitivity. So you may be looking it in the wrong direction. Yet, I can see how supplementing with T4 would have a synergistic effect on igf-1 via increased T3 production.
05-23-2007, 07:38 PM
05-23-2007, 08:02 PM
05-23-2007, 08:16 PM
05-23-2007, 08:32 PM
So T4 + GH, Anabolics + T3 ... it all depends really.
Now if you were to go with igf-1 plus Thyroid hormone ... I'd have to say T3 as T3 upregulates igf-1 receptors.
But seeing that 80% of T3 in the body comes from conversion of T4 ... T4 would be fine too. Seriously, I think that it doesn't matter with igf-1. But, I won't be to affirmative on that.
If someone else has anything to say about it, to confirm infirm my thoughts, that'd be nice.
I'll do some looking up, and see if I can come up with something, give you more info on igf/thyroid. But going with T3 means you'll shut down real quick, and your level of gh will drop.
05-23-2007, 10:34 PM
05-24-2007, 12:07 AM
i did t4 with an igf cycle and i thought it was counter-productive. i didn't get the same pumps or recovery that i usually get with igf.
you really shouldn't be on igf long enough to downreg the thyroid that much.
both gh and igf work great without messing with thyroid meds. if you really are concerned about your t3 and t4 levels you can get bloodwork done.
05-24-2007, 08:04 AM
Guys i came with this question cause i've read(if i'm not mistaken from Nelson Montana) that when you are on GH your thyroid hormones are being lowered (from the administration of GH)so is Necessesary to supplement with.and wondering if the same happens with IGF-1.
So the issue here is the necessity of thyroid supplementation while on IGF-1 and not the possible synergism or anything else.
Think like you shouldn't run deca without Testosterone-if the same happens with IGF-1 and T4/T3. 'You shouldn't run IGF-1 without T4/T3'.What do you think?
05-24-2007, 02:36 PM
i don't know if you shouldn't but i liked t3 with igf.. i should also say that igf can cause prolactin induced gyno so precautions should be considered..
05-24-2007, 04:25 PM
imho you risk screwing with your thyroid more by adding t4 or t3. the down-regulation of t4 to t3 conversion is something that takes a while to happen. you aren't going to be on igf-1 long enough to really have to worry about this.
05-24-2007, 04:29 PM
agree.. now if you are planning on staying on if for two cycles which could be 4 + mnths a dose of 25mcg of t3 wouldn't hurt a bit..
05-24-2007, 06:15 PM
05-24-2007, 06:26 PM
Do you guys agree with when someone is on HGH only, is a must to supplemment with T4/T3 and in the case of IGF-1 is not a must,just optional and of course synergystic?
05-25-2007, 11:55 PM
there are no definites. plenty of people use gh without thyroid and get great results. i am telling you what i see and know, and not rehashing some pseudo scientific jargon that the latest internet guru has coined as absolute truth.
you could run gh EOD if you really want to lessen the impact on your natural axis.
if you are that concerned about long term gh and your t3/t4 levels then you should get them tested. the test is part of a basic blood panel. it is not expensive. the test will answer your question much better than any poster's theorizing.
05-26-2007, 05:40 PM
right there is no must with t3 and hgh.. low dose of t3 is ok you can run it for years and if it helps to lose to extra wieght then cool.
hgh can cause gyno due to increase igf. my gyno really got worse with igf. Pmgf really made it worse. T3 can help according to Dr. D .This was the first time i have ever had gyno.. Took awhile to get it under control
05-26-2007, 07:20 PM
I remember grunt suggesting t3 could destroy the imature new cells proliferated by the IGF... Be carefull
05-27-2007, 05:31 AM
02-02-2012, 06:26 AM
the downregulation of the thyroid wasn't the issue at all. He was wondering if it would up-regulate igf-1 receptors. i'm wondering this too. marc-anthony did you find anymore info on what increases igf-1 sensetivity?
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