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Peptides for Muscle Growth: Research Compounds Reference

April 23, 2026

Peptides for Muscle Growth: Research Compounds Reference

Compounds referenced across the USA muscle and tissue-growth research literature, with mechanism notes and documentation expectations.

Research compounds most often referenced in the USA muscle and tissue-growth literature include IGF-1 LR3, the CJC-1295 + ipamorelin stack, sermorelin, and tesamorelin. Each engages a distinct point on the GH/IGF-1 axis.

CompoundAxisProfile
IGF-1 LR3Direct IGF-1 receptorLong-acting
CJC-1295 + IpamorelinGHRH + GHSRPulsatile
SermorelinGHRHShort-acting
TesamorelinGHRH analogStabilized
Research use only. PeptAra supplies materials strictly for in vitro and laboratory research. Nothing in this article constitutes medical, therapeutic, or dosage advice for human or animal use.

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