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82 HP 175 IGF-1 LR3 Long R3 IGF-1 extended half-life anabolic research compound ALIASES Long R3 IGF-1, LR3 IGF-1, IGF-1LR3, IGF1 LR3 CLASS Synthetic 83-residue insulin-like growth factor 1 analog FORMULA C400H625N111O115S9 HALF-LIFE ~6 hours (vs ~10 minutes native IGF-1) ROUTES Subcutaneous (research) MECHANISM OF ACTION Long R3 Insulin-like Growth Factor 1 83-residue synthetic analog of native IGF-1 with N-terminal 13-residue extension and Arg substitution at position 3

The key rule: never mix different peptides in the same syringe or vial

Including cortisol in your panel actually confirms this selectivity

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Am J Clin Nutr 1981 Jul

Our Liposomal Glutathione is designed with this specific goal in mind: bypassing the digestive barriers that make standard supplements less effective