The Peptide Reference
The Peptide Reference
References
Reference/Categories

Longevity

38 compounds
Sorted by evidence heldOpen in browse →
Adamax
1032.24 Da · 9 aa

Synthetic nootropic peptide with N-terminal acetylation and C-terminal adamantane modification for superior stability and blood-brain barrier penetration, researched for cognitive enhancement, neuroprotection, and neuroplasticity.

Full monograph
BPC-157
1419.53 Da · 15 aa

Synthetic peptide derived from gastric juice protein, renowned for tissue repair, inflammation reduction, and GI protection capabilities. BPC-157 promotes blood vessel formation, enhances collagen synthesis, modulates growth factor expression, and protects against tissue damage through localized or systemic delivery.

Full monograph
Cyclic Glycine-Proline
154.17 Da · 2 aa

Endogenous cyclic dipeptide found in plasma, breast milk, and cerebrospinal fluid. Functions as metabolite of IGF-1, regulating its bioavailability through competitive binding to IGFBP-3. Demonstrates neuroprotective, cognitive-enhancing, and cardioprotective properties supported by clinical trials.

Full monograph
Dihexa
504.7 Da

Dihexa is a synthetic oligopeptide derived from angiotensin IV that potently enhances cognitive function by promoting synaptogenesis. It is 10 million times more potent than BDNF at promoting synapse formation through HGF/c-Met receptor activation.

Full monograph
Epitalon
390.35 Da · 4 aa

Epitalon is a synthetic tetrapeptide developed by Russian scientist Vladimir Khavinson with 35+ years of research. It activates telomerase at extremely low concentrations to maintain telomere length, stimulates melatonin production, and modulates gene expression through epigenetic mechanisms.

Full monograph
FOXO4-DRI
4800 Da · 45 aa

FOXO4-DRI is a senolytic peptide designed to selectively eliminate senescent 'zombie' cells that accumulate with age and contribute to tissue dysfunction. It works by disrupting the FOXO4-p53 interaction that keeps senescent cells alive. The 'DRI' modification (D-retro-inverso) uses reversed D-amino acids to increase potency and stability. Preclinical research shows restoration of fur density, fitness, and organ function in aged mice.

Full monograph
GHK-Cu
404.96 Da · 3 aa

Naturally occurring copper tripeptide found in human plasma, saliva, and urine. GHK-Cu affects 31.2% of human genes and declines significantly with age—from ~200 ng/ml at age 20 to ~80 ng/ml at age 60. Known for exceptional skin regeneration, wound healing, and anti-aging properties.

Full monograph
MOTS-c
2174.6 Da · 16 aa

MOTS-c is a mitochondrial-derived peptide that operates as a mitohormone through the Folate-AICAR-AMPK pathway. Under metabolic stress, it translocates to the nucleus to bind stress-response transcription factors (NRF2, ATF1/ATF7), regulating genes involved in metabolism and cellular adaptation.

Full monograph
NA Semax Amidate
1007.16 Da · 7 aa

Enhanced and stabilized version of Russian nootropic Semax with superior stability, extended half-life, and enhanced bioavailability through acetylation and amidation modifications.

Full monograph
Selank
751.89 Da · 7 aa

Selank is a synthetic heptapeptide analog of the naturally occurring immune peptide tuftsin, developed by the Russian Academy of Sciences. It provides anxiolytic effects comparable to benzodiazepines but without sedation, amnesia, tolerance, or withdrawal.

Full monograph
Semax
813.93 Da · 7 aa

Semax is a synthetic heptapeptide derived from adrenocorticotropic hormone (ACTH) fragment 4-10, originally developed in Russia for stroke recovery. It achieves enhanced CNS penetration through direct transport via olfactory epithelium and trigeminal nerves, bypassing the blood-brain barrier.

Full monograph
TB-500
4963.44 Da · 43 aa

A synthetic 7-amino acid fragment corresponding to the actin-binding region of thymosin beta-4, originally developed for equine use with retained tissue repair properties. TB-500 acts as principal actin-sequestering protein, regulating cell migration, promoting angiogenesis, reducing inflammation, and activating stem cell differentiation.

Full monograph
Thymogen
333 Da · 2 aa

Thymogen (EW dipeptide) is a Khavinson bioregulator consisting of glutamic acid and tryptophan, originally isolated from calf thymus extracts (Thymalin) in the late 1980s. Developed by Professor Vladimir Khavinson, it has been registered in Russia since 1990 in multiple forms including injectable solution, nasal spray, and topical cream. Thymogen modulates both humoral and cellular immunity, activates T-cell differentiation, and has demonstrated geroprotective (anti-aging) and antitumor activities in research studies.

Full monograph
Thymosin Alpha 1
3108 Da · 28 aa

Thymosin Alpha 1 is a synthetic 28-amino acid peptide identical to naturally occurring thymic hormone, studied in 11,000+ patients across 30+ clinical trials with less than 1% serious adverse events. Approved in 35+ countries for immune modulation.

Full monograph
Adalank
792.93 Da · 7 aa

Enhanced derivative of Selank with improved stability, blood-brain barrier penetration, and extended half-life compared to parent compound. Parent compound Selank approved in Russia since early 2000s.

Partial
Cardiogen
460 Da · 4 aa

Cardiogen is a Khavinson bioregulator peptide consisting of four amino acids, derived from heart tissue research. Unlike larger peptides that work on cell surfaces, Cardiogen penetrates directly to the cell nucleus where it binds to specific DNA regions to regulate gene expression. This epigenetic mechanism supports tissue repair and improves cardiovascular function, particularly benefiting the heart and blood vessels.

Partial
Cartalax
350 Da · 3 aa

Synthetic tripeptide developed by Professor Vladimir Khavinson, supporting cartilage, connective tissue, and cellular regeneration through proliferation markers and apoptosis pathway modulation.

Partial
Chonluten
319 Da · 3 aa

Chonluten is a Khavinson bioregulator tripeptide (EDG) derived from respiratory lung tissue. Developed at Russia's St. Petersburg Institute of Bioregulation and Gerontology, it targets the bronchopulmonary system with secondary activity in the GI tract. Research shows it regulates genes related to inflammation, antioxidant activity, and proliferation responses. Chonluten inhibits TNF production in monocytes and has been studied as a potential geroprotective agent that may support lung function in conditions like COPD.

Partial
Cortagen
416 Da · 4 aa

Cortagen is a Khavinson bioregulator tetrapeptide (AEDP) with primary effects on the brain and central nervous system. Developed at Russia's St. Petersburg Institute of Bioregulation and Gerontology, it regulates inflammatory responses in the nervous system, restores balance between pro- and anti-oxidative processes, and stimulates interleukin-2 expression. Research shows potential benefits for ischemic brain injury recovery, nerve regeneration, and reducing autoimmune reactions affecting the CNS.

Partial
Crystagen
359 Da · 3 aa

Crystagen is a Khavinson bioregulator tripeptide (EDP) identified in thymalin with selective action on thymus tissues. Developed at Russia's St. Petersburg Institute of Bioregulation and Gerontology, it enhances immune function by stimulating normal lymphocyte proliferation while inhibiting tumor cell growth. Research shows effectiveness in normalizing immunity in 82% of elderly patients (vs 56% control) and reducing respiratory infections in athletes by doubling HSP gene expression.

Partial
Humanin
2687 Da · 24 aa

Humanin was the first mitochondria-derived peptide (MDP) discovered, originally cloned from the occipital lobe of an Alzheimer's patient. It is a 24-amino acid peptide encoded from the 16S rRNA region of mitochondrial DNA with potent neuroprotective, cytoprotective, and anti-apoptotic properties. Research shows humanin levels decline with age but remain stable in long-lived species like naked mole-rats, and offspring of centenarians have significantly higher humanin levels.

Partial
Livagen
432 Da · 4 aa

Livagen is a Khavinson bioregulator tetrapeptide (KEDA) with significant hepatoprotective and immunomodulatory properties. Structurally similar to Epitalon, it normalizes immune and antioxidant status while restoring liver function in hepatitis conditions. Livagen is best known for its ability to decondense chromatin, activating silent genes including ribosomal genes to boost protein synthesis and cellular activity. Maximum protective effects occur during aging.

Partial
NA-Selank Amidate
864 Da · 7 aa

NA-Selank Amidate is an enhanced version of Selank, the anxiolytic nootropic peptide developed at Russia's Institute of Molecular Genetics. The N-acetyl group improves blood-brain barrier penetration and creates more stable metabolites, while the C-terminal amidation further enhances metabolic stability and receptor binding. Unlike benzodiazepines, it provides anxiety relief without sedation, dependency, or cognitive impairment.

Partial
Ovagen
375 Da · 3 aa

Ovagen is a Khavinson bioregulator tripeptide (EDL) with primary effects on the liver and gastrointestinal tract. Developed by Dr. Vladimir Khavinson at the St. Petersburg Institute of Bioregulation and Gerontology, it reduces long-term liver fibrosis and protects the GI mucosal layer from antibiotics, environmental toxins, and chemotherapy. Like other bioregulators, Ovagen crosses cell and nuclear membranes to directly regulate DNA transcription patterns with tissue-specific effects.

Partial
P21
1100 Da

P21 is a nootropic peptide derived from ciliary neurotrophic factor (CNTF) that enhances neurogenesis and cognitive function. It contains an adamantane moiety that enables blood-brain barrier penetration. Research shows it increases BDNF expression, inhibits LIF signaling to promote neurogenesis, and reduces tau and amyloid pathology in Alzheimer's disease models. Remarkably, P21 can boost neurogenesis in diseased brains above levels seen in healthy untreated brains.

Partial
Pancragen
576 Da · 4 aa

Pancragen is a Khavinson bioregulator tetrapeptide (KEDW) originally isolated from bovine pancreatic cells. Developed at Russia's St. Petersburg Institute of Bioregulation and Gerontology, it directly interacts with DNA to regulate pancreatic gene expression. Research in old rhesus monkeys demonstrated that Pancragen corrected impaired glucose tolerance, normalized insulin and C-peptide levels, and improved endocrine pancreatic function. It is considered safe and effective for age-related metabolic disturbances.

Partial
PE-22-28
773.89 Da · 7 aa

Synthetic heptapeptide derived from Spadin positions 22-28, functioning as potent TREK-1 antagonist with enhanced selectivity and duration versus parent compound. Primary research focus on rapid antidepressant effects.

Partial
Pinealon
418.4 Da · 3 aa

Developed in Russia, Pinealon demonstrates unique DNA-interaction for neuroprotection and cognitive enhancement. Benefits traumatic brain injury recovery and age-related cognitive decline with excellent safety profile.

Partial
PNC-27
3500 Da

PNC-27 is an experimental anti-cancer peptide created by a supercomputer at SUNY Downstate Medical Center in 2000. It contains an HDM-2 binding domain from p53 (residues 12-26) linked to a cell-penetrating domain. The peptide selectively kills cancer cells by binding to HDM-2 (MDM2) expressed on cancer cell membranes, forming pores that cause cell necrosis. Critically, PNC-27 has no effect on normal cells because healthy cells don't express HDM-2 on their membranes. Research shows effectiveness against pancreatic cancer, breast cancer, leukemia, and melanoma.

Partial
SS-31

SS-31 (Elamipretide) is an aromatic-cationic tetrapeptide that selectively binds to cardiolipin in the inner mitochondrial membrane, preventing lipid peroxidation and optimizing electron transport chain function for enhanced cellular energy production.

Partial
TB-500 (Ac-LKKTETQ)
844 Da · 7 aa

TB-500 (Ac-LKKTETQ) is a synthetic derivative of thymosin beta-4 consisting of the N-terminal acetylated 17-23 amino acid fragment. This sequence represents the active site within thymosin beta-4 responsible for actin binding, cell migration, and wound healing. Research shows it promotes endothelial cell differentiation, angiogenesis, keratinocyte migration, collagen deposition, and decreases inflammation. The acetylation protects against N-terminal degradation while maintaining biological activity.

Partial
Testagen
419 Da · 4 aa

Testagen is a Khavinson bioregulator tetrapeptide (KEDG) originally isolated from testicular tissue extracts. Developed by Professor Vladimir Khavinson at the St. Petersburg Institute of Bioregulation and Gerontology, it promotes testosterone biosynthesis by stimulating Leydig cell activity and improving cellular metabolism in testicular tissue. Research shows it helps restore normal communication within the hypothalamic-pituitary-gonadal (HPG) axis, governing testosterone production and spermatogenesis.

Partial
Thymosin Beta-4
4963.44 Da · 43 aa

Naturally occurring 43-amino acid peptide crucial for tissue repair, wound healing, and cellular regeneration. Promotes angiogenesis, reduces inflammation, and supports cell migration and differentiation.

Partial
Thymulin
857 Da · 9 aa

Thymulin is a nonapeptide hormone exclusively secreted by thymic epithelial cells, discovered by Jean-François Bach in the 1970s. Unlike thymalin (a peptide extract mixture), thymulin is a single, defined 9-amino-acid peptide that requires zinc binding for biological activity. It plays a crucial role in T-cell differentiation and maturation within the thymus. Serum thymulin levels decline significantly with age and zinc deficiency, contributing to age-related immune decline (immunosenescence). Research has explored thymulin's potential in restoring immune function, managing autoimmune conditions, and as an anti-inflammatory agent.

Partial
Vesilute
262 Da · 2 aa

Vesilute is a Khavinson bioregulator dipeptide consisting of glutamic acid and aspartic acid (ED), developed at the St. Petersburg Institute of Bioregulation and Gerontology. It is specifically designed to support bladder and urinary tract function, with research indicating potential benefits for prostate health in men. Vesilute may help regulate smooth muscle function, enhance tissue blood flow, and support cellular regeneration in urogenital tissues. It is distinct from Vesugen (KED tripeptide), which targets vascular endothelium.

Partial
Vesugen
390 Da · 3 aa

Vesugen is a Khavinson bioregulator tripeptide developed at Russia's St. Petersburg Institute of Bioregulation and Gerontology. Composed of three amino acids (lysine, glutamic acid, aspartic acid), it targets the vascular system and protects blood vessels from age-related decline. Research shows it limits atherosclerosis development, decreases endothelial dysfunction, and activates stem cells. Like other short Khavinson peptides, Vesugen penetrates to the nucleus where it influences gene expression.

Partial
Vilon
275 Da · 2 aa

Vilon is a Khavinson bioregulator dipeptide (KE) consisting of lysine and glutamic acid, originally isolated from thymus gland extracts. Developed by Professor Vladimir Khavinson at the St. Petersburg Institute of Bioregulation and Gerontology, it acts as a molecular signaling compound that restores normal gene expression and protein synthesis in immune and epithelial cells. Research shows Vilon increases mean lifespan by 20-40% in animal studies and suppresses tumor development.

Partial
Thymalin

Thymalin is a natural peptide bioregulator derived from calf thymus gland, developed in the Soviet Union in the 1970s. It contains a mixture of thymic peptides that support immune restoration, anti-aging, and tissue regeneration. Research spanning decades has shown significant geroprotective effects, with studies demonstrating up to 2-fold reduction in mortality rates and 4-fold reduction when combined with Epithalamin.

Partial