Peptide Research Articles
In-depth articles covering peptide science, mechanisms of action, clinical evidence, and emerging research — all with inline citations to primary sources.
What is BPC-157: Molecular Mechanisms, Therapeutic Efficacy & 2026 Clinical Status
BPC-157 is a synthetic 15-amino acid peptide derived from human gastric juice. Discover its VEGFR2 mechanisms, 2026 FDA Category 1 status, and musculoskeletal healing effects.
What is Semaglutide: GLP-1 Receptor Agonism, Clinical Evidence & Dosing Science
Semaglutide is a GLP-1 receptor agonist originally developed for type 2 diabetes that has become one of the most studied weight-loss compounds in modern pharmacology.
What is TB-500: Thymosin Beta-4, Actin Binding & Tissue Repair Mechanisms
TB-500 is a synthetic version of Thymosin Beta-4, a ubiquitous protein that plays a critical role in actin sequestration, cell migration, and tissue repair.
What is Tirzepatide: Dual GIP/GLP-1 Agonist Mechanisms & Clinical Trial Results
Tirzepatide (Mounjaro/Zepbound) is the first FDA-approved dual GIP/GLP-1 receptor agonist, achieving superior weight loss vs. semaglutide in head-to-head trials.
What is Retatrutide: Triple Agonist GLP-1/GIP/Glucagon Receptor Pharmacology
Retatrutide is a triple-receptor agonist targeting GLP-1, GIP, and glucagon receptors simultaneously — the most potent metabolic peptide in clinical development.
What is Ipamorelin: Selective GH Secretagogue Mechanisms & Research Protocols
Ipamorelin is a selective growth hormone secretagogue and ghrelin receptor agonist known for its clean GH pulse stimulation with minimal cortisol or prolactin side effects.
What is CJC-1295 DAC: Long-Acting GHRH Analogue Mechanisms & Protocols
CJC-1295 DAC is a long-acting GHRH analogue with a 6–8 day half-life, enabling once-weekly dosing for sustained GH elevation.
What is SS-31: Mitochondria-Targeted Peptide for Cardioprotection & Longevity
SS-31 (Elamipretide) is a mitochondria-targeted tetrapeptide that selectively concentrates in the inner mitochondrial membrane, protecting cardiolipin and restoring ATP synthesis.
What is GHK-Cu: Copper Peptide Biology, Collagen Synthesis & Skin Research
GHK-Cu is a naturally occurring copper-binding tripeptide that activates over 4,000 genes involved in tissue repair, collagen synthesis, and anti-inflammatory activity.
What is PT-141: Bremelanotide, Melanocortin Receptors & FDA Approval
PT-141 (Bremelanotide) is a melanocortin receptor agonist that acts centrally on the hypothalamus to increase sexual desire. It is the active ingredient in Vyleesi.
What is Semax: ACTH-Derived Nootropic, BDNF Stimulation & Neuroprotection
Semax is a synthetic heptapeptide derived from ACTH(4-7) that stimulates BDNF and NGF production, enhancing cognitive function and providing neuroprotective effects.
What is Thymosin Alpha-1: Immunomodulation, Antiviral Activity & Clinical Use
Thymosin Alpha-1 (Tα1) is a 28-amino-acid peptide approved in 35+ countries for hepatitis B/C and immunodeficiency. Discover its T-cell and NK cell mechanisms.
What is Epitalon: Telomerase Activation, Telomere Extension & Longevity Research
Epitalon is a synthetic tetrapeptide that activates telomerase and extends telomere length. Developed by the St. Petersburg Institute of Bioregulation and Gerontology.
What is AOD-9604: GH Fragment 176-191, Fat Metabolism & Weight Loss Research
AOD-9604 is a modified fragment of human growth hormone (hGH176-191) that stimulates lipolysis without the anabolic or diabetogenic effects of full-length hGH.
What is GHRP-2: Growth Hormone Releasing Peptide, Mechanisms & Research
GHRP-2 is a synthetic hexapeptide that stimulates GH release via ghrelin receptor activation. One of the most potent GHRPs with significant clinical research.
What is DSIP: Delta Sleep-Inducing Peptide, Sleep Architecture & Research
DSIP (Delta Sleep-Inducing Peptide) is a neuropeptide that modulates sleep architecture, reduces stress, and has been studied for insomnia and pain management.
What is Cagrilintide: Amylin Analogue, CagriSema Combination & Phase 3 Data
Cagrilintide is a long-acting amylin analogue being studied in combination with semaglutide (CagriSema) for obesity. Phase 3 REDEFINE trials show promising results.
What is Cerebrolysin: Neuropeptide Mixture, BDNF Mimicry & Clinical Evidence
Cerebrolysin is a porcine brain-derived neuropeptide mixture that mimics BDNF and NGF activity. Approved in 50+ countries for stroke, TBI, and Alzheimer's disease.