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IGF1 Long R3 China Igtropin

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Product Description

IGF-1 Long R3

IGF-1 Variations

Long IGF-1 R3 Package is 1ml per vial. 

1 KIT :

10 vials x IGF-1 Long R3, 100mcg/vial

Shipping from China, EMS

The most effective form of IGF is Long R3 IGF-1, it has been chemically altered and has had amino acid changes which cause it to avoid binding to proteins in the human body and allow it to have a much longer half life, around 20-30 hours. "Long R3 IGF-1 is an 83 amino acid analog of IGF-1 comprising the complete human IGF-1 sequence with the substition of an Arg® for the Glu(E) at position three, hence R3, and a 13 amino acid extension peptide at the N terminus. This analog of IGF-1 has been produced with the purpose of increasing the biological activity of the IGF peptide. It is also not as expensive since a media grade version is available which is sufficient for bodybuilding use. 

There is a lot of talk about the similarity between IGF and growth hormone. The most often asked question is simply which is more effective. GH doesn't directly cause your muscles to grow, it works very indirectly by increasing protein synthesis capabilities, increasing the amount of insulin a person can use effectively, and increasing the amount of anabolic steroids a person can use effectively. GH also indirectly causes muscle growth by stimulating the release of IGF when it (the GH) is destroyed in the human body. So one way you could look at it as GH being a precursor to IGF. So to put it simple IGF is more effective at directly causing muscle growth and density increases. IGF is also much more cost effective. IGF can also be effectively used by itself and gains will still be easily noticeable. With growth hormone you need to use high amounts of anabolics and often insulin to see any gains at all, this is not the case with IGF.

Differences between IGF-1 and HGH (human growth hormone) 


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  1. Just got my IGF

    Posted by RC on 11th May 2013

    I haven't used it yet but it is a generic brand that was delivered. This should not coat 750.00 for generic. The photo is mssleading! The results will determine the outcome, I will post later!

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