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Explore research-backed breakdowns of each peptide — mechanisms, benefits, typical protocols, and notable studies. Search or filter by category to find what you need.
48 peptides
A synthetic tetrapeptide (Ala-Glu-Asp-Gly) based on the pineal peptide epithalamin, studied for telomerase activation, circadian regulation, and longevity in animal and limited human research.
A thymus-derived peptide preparation studied in Russian research for immune restoration and age-related immune support, often paired with Epitalon in longevity protocols.
5-Amino-1MQ is a small-molecule inhibitor of the enzyme NNMT, studied in animal models for its potential to reduce fat storage and support metabolic health.
Cardiogen is a short synthetic peptide (Ala-Glu-Asp-Arg) studied as a cardiovascular bioregulator intended to support heart and vascular tissue. It belongs to the Khavinson family of short peptide bioregulators.
Cartalax is a short synthetic peptide (Ala-Glu-Asp-Gly) studied as a bioregulator for cartilage and connective tissue. It is part of the Khavinson short peptide bioregulator family.
Delta Sleep-Inducing Peptide is a small neuromodulatory nonapeptide studied for its effects on sleep architecture, stress hormones, and pain modulation.
A modified, more stable form of the tetrapeptide Epitalon studied for telomerase activation and pineal-mediated circadian and longevity effects.
FOXO4-DRI is a synthetic senolytic peptide studied for selectively clearing senescent cells to counter age-related tissue decline.
Humanin is a mitochondrial-derived peptide studied for its cytoprotective, neuroprotective, and metabolic effects. The HNG (Humanin-G) analog is a more potent variant frequently used in research.
L-Glutathione is the body's principal intracellular antioxidant, a tripeptide of glutamate, cysteine, and glycine. It is studied for oxidative-stress defense, detoxification, and skin brightening. Note: Glutathione is a gamma-glutamyl tripeptide antioxidant (a non-standard peptide bond) that acts as a cofactor rather than a signaling peptide.
Livagen is a short synthetic peptide (Lys-Glu-Asp-Ala) developed in Russian peptide bioregulator research, studied for liver function and chromatin activation. It is positioned within the longevity and anti-aging space.
Pancragen is a synthetic short peptide bioregulator (Lys-Glu-Asp-Trp) studied in Russian research for supporting pancreatic function and glucose metabolism. It belongs to the Khavinson family of peptide bioregulators developed to normalize tissue-specific gene expression in aging organs.
Pinealon is a synthetic tripeptide (Glu-Asp-Arg) studied in Russian research as a brain-targeted peptide bioregulator with proposed neuroprotective and cognition-supporting effects. It is part of the Khavinson short-peptide bioregulator family.
PNC-27 is an experimental anticancer peptide designed to selectively destroy cancer cells by disrupting their membranes while sparing normal cells. It is strictly a laboratory research compound with no approved human use.
PNC-28 is an experimental p53-derived anticancer peptide closely related to PNC-27, studied for selective membrane disruption of tumor cells. It is a laboratory research compound only, with no approved clinical use.
Prostamax is a synthetic peptide bioregulator studied in Russian research for supporting prostate tissue function and urinary health in aging males. It belongs to the short-peptide bioregulator family popularized by Khavinson.
Rigin is a palmitoylated tetrapeptide (Palmitoyl Tetrapeptide-7) used in topical cosmetic formulations to reduce signs of skin aging by modulating inflammatory signaling. It is valued for calming reactive, aging skin and supporting a more even tone.
SS-31 (elamipretide) is a mitochondria-targeted tetrapeptide studied for protecting mitochondrial function in conditions involving oxidative stress and energy failure. It has been investigated clinically for mitochondrial myopathy and heart and kidney disease.
Methylene Blue is a synthetic phenothiazine dye studied as a mitochondrial enhancer and nootropic, acting as an alternative electron carrier in the respiratory chain. Note: Methylene blue is a small-molecule redox dye, not a peptide, though suppliers often stock it alongside peptides.
Actogenix is a proprietary peptide-bioregulator-style product marketed for vitality, energy, and healthy-aging support. It is sold as a research chemical with limited published data.
CardioCytogen is a proprietary short-peptide bioregulator marketed for cardiovascular and heart-tissue support. It is sold as a research chemical with limited published characterization.
Syn-Coll is a topical lipidated tripeptide designed to stimulate collagen synthesis and improve skin firmness and wrinkle appearance.
DNSP-11 is an 11-amino-acid peptide derived from the proGDNF (glial cell line-derived neurotrophic factor) precursor that is being studied for its neuroprotective and neurorestorative effects on dopaminergic neurons.
Retinalamin is a polypeptide and nucleoprotein complex extracted from the retina of cattle, used in some regions as a retinoprotective agent for degenerative and dystrophic eye conditions.
Colivelin is a synthetic hybrid neuroprotective peptide that fuses activity-dependent neurotrophic factor (ADNF) with a potent Humanin derivative, studied for protecting neurons against amyloid-beta and other neurotoxic insults.
Crystagen is a short synthetic immunomodulatory peptide bioregulator (Glu-Trp-Ala-Glu) developed in the Khavinson family of peptides and studied for normalizing immune function.
Thyroidget is a short synthetic peptide bioregulator in the Khavinson family designed to target thyroid tissue and support normalization of thyroid-gland function.
A research blend of two mitochondrial-derived peptides, MOTS-c and Humanin, studied together for metabolic health, cytoprotection, and longevity. Both are encoded within mitochondrial DNA and act as signaling molecules.
MOTS-c is a mitochondrial-derived peptide encoded within the 12S rRNA region that acts as a regulator of metabolism. It is studied for improving insulin sensitivity, metabolic flexibility, and exercise capacity.
NAD+ is an essential coenzyme central to cellular energy production and DNA repair whose levels decline with age. It is studied and supplemented for longevity, mitochondrial function, and metabolic health. Note: NAD+ is a coenzyme, not a peptide, commonly sold alongside longevity research compounds.
NMN is a direct biosynthetic precursor of NAD+ used to raise cellular NAD+ levels. It is studied for longevity, metabolic health, and mitochondrial function. Note: NMN is a small-molecule NAD+ precursor, not a peptide, but is catalogued with longevity research compounds.
OS-01 is a senotherapeutic peptide developed for topical skin application that targets cellular senescence to improve skin aging markers. It is studied for reducing senescent-cell burden and supporting youthful skin function.
Ovagen is a short synthetic bioregulator peptide studied for supporting liver function and protein synthesis. It belongs to the Khavinson family of tissue-specific peptide bioregulators.
P21 (P021) is a small peptidergic compound derived from the active region of ciliary neurotrophic factor, studied for promoting neurogenesis and synaptic plasticity. It is researched preclinically as a neuroprotective and cognition-enhancing agent.
Testagen is a short synthetic bioregulator peptide from the Khavinson family, studied for effects on the thymus and immune regulation. It is researched for supporting immune balance and healthy aging.
Thymagen (Thymogen) is a short synthetic peptide bioregulator related to thymic function, studied for immune modulation. It is researched for supporting and balancing immune responses.
Thymulin is a zinc-dependent thymic nonapeptide hormone that supports T-cell maturation and modulates immune and neuroendocrine signaling. It is studied as an immunoregulatory and anti-inflammatory agent.
TRH (protirelin) is the tripeptide hypothalamic hormone that triggers pituitary release of TSH and prolactin. It is also studied for neurostimulant, arousal, and mood-related central nervous system effects.
Triptorelin is a long-acting synthetic GnRH agonist used clinically to suppress sex-hormone production after an initial flare. It is applied in prostate cancer, endometriosis, precocious puberty, and fertility protocols.
Vesilute is a short bioregulator peptide studied for effects on the microvasculature and skin around the eyes. It is associated with reducing periorbital puffiness and supporting capillary tone.
Vesugen is a short tripeptide bioregulator studied for support of the vascular system and blood-vessel wall integrity. It is part of the Khavinson peptide family aimed at tissue-specific regulation.
Vilon is a synthetic dipeptide bioregulator from the Khavinson family studied for immune modulation and anti-aging effects. It is associated with restoring physiological function in thymus and other tissues.
MIF-1 (Pro-Leu-Gly-NH2) is a hypothalamic tripeptide studied for dopaminergic modulation and antidepressant-like effects. It is also known historically as melanocyte-inhibiting factor.
Melatonin is the body's primary circadian hormone, secreted by the pineal gland to signal darkness and regulate sleep timing. It is widely studied as a chronobiotic and antioxidant research compound. Note: Melatonin is a small-molecule hormone, not a peptide, though it appears in some research-compound catalogs.
Teriparatide is the recombinant N-terminal 1-34 fragment of human parathyroid hormone and an FDA-approved anabolic therapy for osteoporosis. It builds bone when given as a once-daily intermittent dose.
Erythropoietin (EPO) is a glycoprotein hormone, produced mainly by the kidneys, that stimulates red blood cell production. Recombinant EPO is an established clinical therapy for anemia.
Human Relaxin-2 is a peptide hormone with vasodilatory and anti-fibrotic properties, also developed clinically as serelaxin. It is studied for cardiovascular and tissue-remodeling research.
A research blend combining the GH secretagogues Ipamorelin and CJC-1295 (No DAC) with the telomere-associated peptide Epitalon. It is studied for combined growth hormone support and longevity-oriented effects.