Peptides
47 compounds
Mazdutide
Mazdutide is a novel dual-incretin research peptide designed to activate GLP-1 and GIP receptors simultaneously. This combined agonism is being studied for its potential in metabolic regulation, body-weight control, and enhanced insulin responsiveness.
Survodutide
Survodutide (also known as BI-456906) is a dual-agonist peptide that targets both GLP-1 receptors and glucagon receptors, creating a unique metabolic research profile. It was originally developed by Zealand Pharma in partnership with Boehringer Ingelheim and is currently one of the strongest incretin/glucagon dual-pathway compounds under investigation.
BPC-157
BPC-157 (Body Protection Compound 157) is a synthetic peptide derived from a protective protein found in gastric juice. It was initially identified for GI focused research interest, and is now widely discussed for broader healing and regenerative signaling across soft tissue repair models.
TB-500
TB-500 is a synthetic peptide derived from Thymosin Beta 4 (Tβ4), a naturally occurring protein found throughout most tissues. It is studied for its role in tissue repair, cell migration, and immune modulation signaling, and is commonly discussed in injury recovery and tissue healing research contexts.
BPC-157/TB-500 Blend
BPC-157/TB-500 is a two peptide formulation commonly used in regenerative focused research designs, built around repair signaling, angiogenesis support, inflammation modulation, and soft tissue recovery endpoints. Available research formats include
KPV
KPV (Lys-Pro-Val) is a tripeptide fragment of alpha-melanocyte-stimulating hormone (α-MSH). It is studied for its anti-inflammatory, antimicrobial, and wound healing signals, with common research interest in immune modulation, skin health, and gut inflammation related endpoints.
GLOW
GLOW is a three peptide formulation commonly used in regenerative and cosmetic focused research designs, built around repair signaling, collagen support, angiogenesis, inflammation modulation, and skin quality endpoints. Blend composition (lyophilized, 70 mg total)
KLOW
KLOW is a four peptide formulation commonly used in regenerative and cosmetic focused research designs, built around repair signaling, collagen support, angiogenesis, inflammation modulation, gut barrier support, and skin quality endpoints. Blend composition (lyophilized, 80 mg total) BPC-157: 10 mg TB-500: 10 mg GHK-Cu: 50 mg KPV: 10 mg
CJC-1295
CJC-1295 is a synthetic analog of growth hormone-releasing hormone (GHRH) designed to stimulate the anterior pituitary to release endogenous growth hormone in a pulsatile, physiologically natural manner. Unlike direct GH administration which suppresses the body's own production, CJC-1295 works within the body's existing feedback loops, amplifying GH output while preserving the natural pulsatile rhythm that governs its downstream effects including IGF-1 elevation, muscle protein synthesis, fat metabolism, and tissue repair. It is available in two forms defined by the presence or absence of a Drug Affinity Complex (DAC). Available formats: DAC - The DAC version extends the half-life to approximately 6 to 8 days by enabling albumin binding in circulation, allowing once or twice weekly dosing. No DAC - The No DAC version, also called Modified GRF 1-29, has a short half-life of approximately 30 minutes, mimicking the natural pulsatile GHRH signal more closely and requiring daily dosing. Both versions stack powerfully with ipamorelin or other GHRPs for synergistic amplification of GH release across complementary receptor pathways.
Ipamorelin
Ipamorelin is a synthetic pentapeptide developed as a selective growth hormone secretagogue (GHS). It is designed to mimic ghrelin pathway signaling to stimulate growth hormone release while being discussed as having fewer off target effects than some older GHS peptides, which is why it is frequently framed as a higher tolerability option for GH axis research.
CJC-1295/Ipamorelin
This formulation combines two growth hormone modulating peptides that act through different receptor pathways. Because the pathways differ, this pairing is commonly discussed in GH axis research as a way to amplify natural GH pulses while keeping secretion patterns closer to endogenous pulsatility.
Tesamorelin
Tesamorelin is a synthetic peptide analog of growth hormone releasing hormone (GHRH) designed to stimulate natural growth hormone (GH) secretion. It was originally developed to reduce visceral fat in individuals with HIV associated lipodystrophy, and it has since gained broader research interest for metabolic and body composition related outcomes.
Sermorelin
Sermorelin is a synthetic peptide consisting of the first 29 amino acids of Growth Hormone–Releasing Hormone (GHRH). In research settings, it is used to study natural GH secretion dynamics, pituitary activation, and circadian growth hormone rhythms. It is one of the most widely studied GHRH analogs due to its selective mechanism and short half-life.
Gonadorelin
Gonadorelin (GnRH) is a synthetic form of the naturally occurring gonadotropin-releasing hormone produced in the hypothalamus. It is studied for its ability to stimulate the release of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) from the pituitary gland. These pathways make it a central peptide in reproductive-axis research.
IGF-1 LR3
IGF-1 LR3 (Long R3 Insulin Like Growth Factor 1) is a modified analog of IGF-1 engineered to extend half life and reduce binding to IGF binding proteins (IGFBPs). This design is discussed as increasing bioavailability and prolonging IGF-1 receptor signaling compared with native IGF-1, which is why it is often studied in anabolic, recovery, and tissue repair research contexts.
GHRP-2
GHRP 2 is a synthetic growth hormone secretagogue designed to stimulate growth hormone release from the pituitary gland, and it is widely discussed in research settings for its effects on recovery, body composition, and performance related outcomes.
GHRP-6
GHRP-6 is a synthetic peptide discussed for stimulating growth hormone release from the pituitary via the ghrelin receptor system. It is also known for noticeably increasing appetite, so it is often framed around higher food intake, muscle gain support, and body composition goals.
Fragment 176-191
HGH Frag 176-191 is a modified peptide fragment derived from the last 15 amino acids of the full human growth hormone (HGH) sequence. It is designed to selectively study the fat-metabolism effects of GH without activating IGF-1–related growth pathways.
AOD-9604
AOD-9604 is a fragment of human growth hormone (HGH) derived from the region associated with fat breakdown. Unlike full length HGH, AOD-9604 is discussed as a more targeted fat loss focused peptide that aims to support lipolysis without broadly driving other growth related effects.
SS-31
SS-31 is a mitochondria-targeting peptide designed to protect and enhance mitochondrial function. It was developed to mitigate oxidative stress, improve energy production, and support cellular longevity, and it has been studied in research areas tied to anti-aging, cardiovascular health, and neuroprotection.
MOTS-C
MOTS-C is a mitochondrial-derived peptide (MDP) encoded by mitochondrial DNA (mtDNA). It is studied for its role in regulating metabolism, energy production, and cellular adaptation to stress, with particular interest in how it influences mitochondrial function and metabolic health in longevity oriented research.
Melanotan 2
Melanotan II is a synthetic analogue of alpha-melanocyte-stimulating hormone (α-MSH) developed to increase melanin production, skin pigmentation, and UV response. It is commonly discussed as having broader effects than Melanotan I, with additional activity related to sexual function and appetite signaling.
PT-141
PT-141 (Bremelanotide) is a melanocortin receptor agonist studied for its effects on libido, arousal pathways, sexual function, and CNS signaling. Unlike PDE5 inhibitors that work on blood flow, PT-141 directly targets melanocortin receptors in the brain, making it a unique research tool in behavioral and neuroendocrine fields.
Kisspeptin-10
Kisspeptin-10 is a naturally occurring peptide hormone that plays a central role in regulating the hypothalamic pituitary gonadal (HPG) axis, which governs reproductive function. First identified via the KISS1 gene, it is a key upstream regulator of gonadotropin releasing hormone (GnRH) secretion, with research interest spanning puberty onset, fertility signaling, and broader reproductive endocrine balance.
Semax
Semax is a synthetic peptide derived from adrenocorticotropic hormone (ACTH) fragments. Originally developed in Russia, it has been studied for neuroprotective, cognitive-enhancing, and stress-regulating properties, with research interest in mental performance, neurological recovery, and stress resilience.
Selank
Selank is a synthetic nootropic peptide developed in Russia for anxiolytic, cognitive-enhancing, and immune-modulating research interest. It is derived from human tuftsin, a naturally occurring peptide involved in immune regulation, and has been studied in models related to anxiety disorders, cognitive decline, and stress-related conditions.
DSIP
DSIP (Delta Sleep Inducing Peptide) is a naturally occurring neuropeptide first isolated from the brainstem of rabbits. In research settings, it is studied for its relationship to sleep regulation and broader neurophysiological processes, making it a frequent topic in sleep and stress focused study designs.
Epithalon
Epithalon, also discussed as Epitalon in some sources, is a synthetic tetrapeptide with the sequence Ala Glu Asp Gly that is derived from epithalamin, a naturally occurring pineal gland peptide. In research discussions, it is primarily associated with longevity focused models, especially those evaluating telomerase activity, telomere maintenance, and circadian rhythm related signaling.
Oxytocin
Oxytocin is a naturally occurring peptide hormone produced by the hypothalamus and secreted by the posterior pituitary gland. It is best known for its roles in social bonding, childbirth, lactation, and emotional regulation. Oxytocin has also attracted research interest in neurology, psychology, and metabolic models due to its potential relevance to anxiety, depression, autism, and stress related disorders.
Thymosin Alpha-1
Thymosin Alpha-1 (TA-1) is a naturally occurring thymic peptide first isolated from the thymus gland and studied for its role in immune system regulation. It is commonly discussed in research contexts focused on immune resilience, chronic infection support, immune modulation, and adjunctive applications in oncology.
LL-37
LL-37 is a cathelicidin antimicrobial peptide involved in immune defense, wound healing, and inflammation regulation. It is naturally produced by epithelial cells and immune cells, where it acts as a broad spectrum protective signal against bacteria, viruses, and fungi.
FOX04-DRI
FOXO4-DRI (Forkhead box O4 D retro inverso peptide) is a synthetic peptide designed to target and eliminate senescent cells. It was developed to disrupt the interaction between FOXO4 and p53, promoting apoptosis (programmed cell death) in aged, damaged cells. This senolytic mechanism is why FOXO4-DRI is discussed in longevity and anti aging research contexts.
N163-166 (MOD6)
N163-166 (MOD6) is a short peptide sequence researched for its potential to influence cellular signaling pathways involved in tissue stress responses and repair dynamics. In research contexts, it is primarily explored as a tool compound for studying localized inflammation signaling, barrier integrity, and downstream remodeling processes in models where healing quality and fibrosis signaling are key variables. Because N163-166 (MOD6) is discussed in niche research settings, outcomes are highly dependent on model selection, route of exposure, tissue target, and study duration.
PE-22-28
PE-22-28 is a synthetic peptide fragment derived from proenkephalin, an endogenous opioid precursor protein. It is widely referenced in neurochemical and peptide chemistry literature for its interaction with TREK-1, a two-pore domain potassium channel implicated in mood regulation and stress response. In laboratory settings, PE-22-28 is commonly studied for peptide structure, receptor interaction behavior, and analytical stability under controlled experimental conditions. Supplied in lyophilized form at 10 mg, it allows controlled reconstitution and precise experimental handling, with each batch independently third-party tested to verify identity and purity.
KIMERA-VASC™
KIMERA-VASC™ is a two component vascular remodeling research system designed to study how vascular tissue responds when lipid stress is altered and biological signaling cues are introduced together. Rather than focusing on a single pathway or compound, KIMERA-VASC™ functions as a modular platform that pairs a cholesterol interacting cyclodextrin with selectable peptide signaling components, enabling comparative studies across different signaling environments under controlled conditions. KIMERA-VASC™ is not approved for human or veterinary use and is supplied strictly for laboratory and analytical research purposes.
MID-35
MID-35 is a synthetic retro-inverso D-peptide designed to selectively inhibit myostatin (GDF-8), an endogenous negative regulator of skeletal muscle growth. It is studied for its role in promoting muscle fiber development, attenuating muscle atrophy, and supporting lean mass preservation, with particular interest in its application to cachexia models, muscle wasting conditions, and body composition research.
Chonluten
Chonluten, also identified as Peptide T-34 in research literature, is a short-chain bioregulator peptide studied for its ability to normalize molecular and cellular processes associated with oxidative stress and inflammation in the respiratory system and gastrointestinal tract. Bioregulator peptides work by influencing gene expression rather than acting through a single receptor pathway, allowing them to modulate protein synthesis at a regulatory level. Chonluten specifically targets the expression of genes responsible for producing antioxidant and anti-inflammatory proteins, making it relevant in research contexts involving chronic respiratory conditions such as asthma and COPD, as well as gastric tissue health and ulcer pathology. Its dual-system relevance across the lungs and gut positions it as a broadly protective peptide for two of the body's most inflammation-prone tissue environments.
Thymogen
Thymogen is a synthetic dipeptide (Glu Trp) derived from thymic proteins. It was developed to enhance immune function, regulate inflammation, and support overall immune resilience by mimicking the natural immune regulating properties of thymus derived peptides.
Testagen
Testagen is a bioregulator peptide derived from testicular tissue that is discussed in research contexts for supporting testosterone production, male reproductive health, and prostate function, with the broader goal of improving overall male vitality and hormonal balance.
Ovagen
Ovagen is a bioregulator peptide derived from liver tissue. It is developed to support liver regeneration, improve detoxification, and promote metabolic balance, and is commonly discussed for liver repair, inflammation reduction, and overall liver function enhancement.
Livagen
Livagen is a tetrapeptide bioregulator with the amino acid sequence Lys Glu Asp Ala. It is closely related to Epitalon and is discussed for potential effects on DNA structure and function, with emphasis on gene activation related to chromatin state and downstream cellular resilience.
Bronchogen
Bronchogen, also designated ADEL in research literature, is a synthetic tetrapeptide composed of four amino acids: Ala-Glu-Asp-Leu. It belongs to the class of short bioregulator peptides and has been studied specifically for its effects on bronchial epithelial tissue, DNA stability, and gene expression regulation in lung cells. Unlike most peptides that work through receptor binding on cell surfaces, Bronchogen is capable of penetrating animal cells and interacting directly with nuclear components including DNA, where it preferentially binds sequences containing CTG motifs that are significant for cytosine methylation and epigenetic regulation. Its research profile spans lung protection, cellular renewal stimulation in bronchial tissue, and geroprotective applications related to the preservation of lung function with aging.
Vilon
Vilon, also referenced in research literature as the KE dipeptide (Lys-Glu), is one of the shortest bioactive compounds studied in peptide biology, consisting of just two amino acids. Despite its minimal size, research demonstrates measurable effects across a broad range of cellular pathways in controlled laboratory environments. Vilon operates primarily at the gene regulation level, penetrating cell nuclei and binding directly to double-stranded DNA to influence the expression of hundreds of genes simultaneously. Its research profile spans immune system modulation, cellular aging and telomere biology, cardiovascular gene regulation, and tissue repair, positioning it as one of the more broadly studied bioregulator peptides in the longevity and geroprotection literature.
Prostamax
Prostamax, designated KEDP in research literature, is a synthetic tetrapeptide composed of four amino acids that has been investigated across multiple domains including prostate tissue protection, cellular aging, epigenetic regulation, and tissue regeneration. Unlike many peptides that rely on cell surface receptor binding, KEDP demonstrates enhanced binding efficiency to LAT1, LAT2, and PEPT1 cellular transporters, giving it access to intracellular and nuclear compartments where it exerts its regulatory effects. It has been studied most prominently in the context of chronic aseptic prostatitis, where it outperformed conventional prostatotropic agents in reducing inflammation markers and preventing the sclerotic and atrophic tissue changes associated with chronic inflammatory conditions. Its broader geroprotective profile through chromatin reactivation and epigenetic normalization adds a longevity dimension that extends well beyond prostate-specific applications.
Vesugen
Vesugen is a peptide bioregulator derived from vascular tissue. It is discussed for potential support of cardiovascular health and blood vessel function, with emphasis on circulation support, vascular inflammation reduction, and atherosclerosis related complication prevention.
Cardiogen
Cardiogen is a synthetic tetrapeptide bioregulator that has been studied for its effects on cardiac tissue regeneration, cellular aging, and tumor biology. What makes it mechanistically notable is its dual action in heart tissue: it simultaneously stimulates cardiomyocyte proliferation and suppresses apoptosis by reducing p53 protein expression, an effect not replicated by individual amino acids in comparative studies. This combination of growth stimulation and cell survival promotion positions it as a candidate for addressing age-related cardiac dysfunction, particularly given that its efficacy in experimental models remained consistent across both young and aged tissue where conventional regenerative approaches often lose effectiveness. Research has also explored its effects on prostate fibroblast aging and tumor growth modulation in sarcoma models, indicating a broader regulatory profile that extends beyond cardiac applications.
Humanin
Humanin is a mitochondrial derived peptide (MDP) first identified in the hypothalamus and studied for broad cell protective effects. Research interest centers on mitochondrial support, neuroprotection, and longevity related signaling.