Peptides for Muscle & Performance
Peptides researched for muscle growth, lean mass, strength, and physical performance.
15 peptides
Tesamorelin (Egrifta)
FDA ApprovedAn FDA-approved synthetic GHRH analog with N-terminal lipid modification, indicated for reduction of excess visceral abdominal fat in HIV-infected...
ACE-031
Moderate EvidenceACE-031 (ramatercept) is an ActRIIB-IgG1 Fc ligand trap that increased lean mass in Phase 1 and Phase 2 human studies, but the Duchenne Phase 2...
GHRP-2
Moderate EvidenceSynthetic hexapeptide ghrelin receptor (GHS-R1a) agonist that potently stimulates GH release, approved in Japan as a diagnostic agent for GH...
MK-677 (Ibutamoren)
Moderate EvidenceMK-677 (ibutamoren) is an orally active, non-peptide growth hormone secretagogue that mimics ghrelin at the GHS-R1a receptor, producing sustained...
Sermorelin (Geref)
Moderate EvidenceA synthetic 29-amino acid analog of endogenous human GHRH that stimulates pituitary growth hormone release. Previously FDA-approved for pediatric GH...
BPC-157
Limited Human DataBPC-157 is a synthetic pentadecapeptide derived from human gastric juice protein BPC that demonstrates broad cytoprotective, angiogenic, and...
BPC-157 (Pentadecapeptide)
Limited Human DataBPC-157 is a synthetic 15-amino-acid peptide derived from human gastric juice protein BPC that demonstrates broad cytoprotective, pro-angiogenic, and...
CJC-1295
Limited Human DataA long-acting synthetic analog of growth hormone-releasing hormone (GHRH) that stimulates sustained growth hormone and IGF-1 secretion through a Drug...
Follistatin 344
Limited Human DataFollistatin 344 is a naturally occurring glycoprotein that inhibits myostatin, activin, and other TGF-beta superfamily members. AAV-delivered gene...
Ipamorelin
Limited Human DataA highly selective synthetic pentapeptide agonist of the ghrelin receptor (GHS-R1a) that stimulates robust, pulsatile growth hormone release from the...
GDF-8 Prodomain (Myostatin Propeptide)
Animal Studies OnlyThe GDF-8 prodomain (myostatin propeptide) is the naturally cleaved N-terminal region of the myostatin precursor protein that maintains myostatin in...
IGF-1 DES
Animal Studies OnlyA truncated variant of IGF-1 lacking the first 3 amino acids, resulting in reduced binding to IGF binding proteins (IGFBPs) and approximately 10-fold...
IGF-1 LR3 (Long R3 IGF-1)
Animal Studies OnlyA modified IGF-1 analog with reduced IGFBP binding and extended half-life, studied exclusively in animal and in vitro models. Research demonstrates...
PEG-MGF
Animal Studies OnlyPEG-MGF is a PEGylated form of Mechano Growth Factor (IGF-1Ec), an IGF-1 splice variant produced in muscle after mechanical load. It activates...
TB-500
Animal Studies OnlyA synthetic peptide derived from Thymosin Beta-4 that promotes tissue repair, cell migration, angiogenesis, and anti-inflammatory effects by...