Peptide Compounds

Crystagen Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

Crystagen is a short-chain synthetic peptide bioregulator belonging to the cytamin class of compounds developed through decades of Russian bioregulation research, primarily by Professor Vladimir Khavinson's group at the St. Petersburg Institute of Bioregulation and Gerontology. It targets thymic function and immune system restoration, with primary research interest in age-related immune decline, T-cell population restoration, and longevity protocols. This guide covers what Crystagen does, how it works, what the research shows, dosing context, safety considerations, regulatory status, and how it compares to related compounds in the thymic peptide family.

Crystagen 26 min read

Cartalax Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

Cartalax is a synthetic tripeptide bioregulator composed of three amino acids - alanine, glutamic acid, and aspartic acid (sequence abbreviated AED) - developed as part of the Khavinson short bioregulatory peptide research program in Russia. It works through a mechanism that is genuinely unusual among research peptides: rather than binding to cell surface receptors, it penetrates directly into cell nuclei and interacts with DNA to modulate gene expression in tissues including cartilage, skin, and kidney. This guide covers what Cartalax does, how it works, what the preclinical research shows, dosing context from animal studies, its safety profile, and its current regulatory status.

Cartalax 28 min read

Cardiogen Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

Cardiogen is a synthetic tetrapeptide bioregulator composed of four amino acids in the sequence Ala-Glu-Asp-Arg (AEDR), developed in Russia during the 1980s and 1990s as part of a research program into short peptides capable of directly regulating gene expression in specific tissues. Its primary research focus is cardiac tissue protection - particularly in ischemic injury and age-related cardiac decline - with a notable and unexplained characteristic: preclinical studies suggest it reduces cell death in heart tissue while promoting it in tumor tissue. This guide covers what the Cardiogen peptide is, what the preclinical research shows, how it works mechanistically, its dosing and safety context, and its current regulatory status.

Cardiogen 28 min read

Bronchogen Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

Bronchogen is a synthetic tetrapeptide bioregulator consisting of four amino acids: alanine, glutamic acid, aspartic acid, and leucine (AEDL), developed by researchers at the Saint Petersburg Institute of Bioregulation and Gerontology as part of a program of organ-specific short peptides. It is studied primarily for its effects on bronchial epithelial regeneration, lung-specific gene expression, and airway inflammation, with its most distinctive feature being a direct DNA-binding mechanism that distinguishes it from conventional receptor-mediated peptides. This guide covers what Bronchogen does, how it works, what the research shows, dosing context drawn from preclinical data and research community protocols, safety considerations, regulatory status, and how it compares to related compounds.

Bronchogen 25 min read

BPC-157 + TB-500 Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

BPC-157 + TB-500 is a combination of two synthetic peptides - Body Protection Compound-157 and a synthetic analogue of Thymosin Beta-4 - used together in research and biohacking communities for tissue repair, injury recovery, and inflammation reduction. BPC-157 works primarily through the nitric oxide system and growth hormone receptor upregulation in tendon tissue, while TB-500 drives cell migration and systemic tissue repair through actin cytoskeleton regulation. This guide covers what each compound does, how they interact, what the research shows, broad dosing context, safety considerations, and current regulatory status for both compounds individually and as a stack.

Bpc 157 Tb 500 32 min read

ARA-290 Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

ARA-290, also known by its INN cibinetide, is a synthetic 11-amino acid peptide engineered from the helix B surface domain of human erythropoietin (EPO). It was designed to isolate EPO's tissue-protective and neuroprotective activity from its red blood cell-producing function, binding selectively to the Innate Repair Receptor (IRR) without triggering erythropoiesis. This guide covers what ARA-290 does, how it works, what the Phase 2 clinical trial data shows, dosing context from research, its safety profile, regulatory status, and how it compares to other neuroprotective compounds.

Ara 290 26 min read

AICAR Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

AICAR (5-Aminoimidazole-4-carboxamide ribonucleoside), also known as acadesine or AICA riboside, is a naturally occurring metabolic intermediate and synthetic nucleoside analog best known for activating AMPK, the cell's master energy sensor, without requiring actual energy depletion. Despite being widely called "AICAR peptide" in research and sports performance communities, it is technically a nucleoside analog rather than a peptide, as it contains no amino acid sequence. This guide covers what AICAR does, how it works at the molecular level, what research across metabolic health, exercise physiology, muscle aging, and cancer biology has found, its safety profile, dosing context from published studies, and its current regulatory and WADA status.

Aicar 28 min read

Adipotide Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

Adipotide is a synthetic chimeric peptide designed to home to the blood vessels supplying white adipose tissue and destroy them from the inside, causing fat cells to die from loss of blood supply. In animal research - including a 2011 non-human primate study - it produced dramatic reductions in fat mass alongside documented kidney toxicity, which has prevented it from advancing to human clinical trials. This guide covers what Adipotide is, how the mechanism works, what the animal research shows, what the safety picture looks like, and where things stand from a regulatory perspective.

Adipotide 26 min read

Adamax Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

Adamax is a research peptide associated with cognitive enhancement and neuroprotection, proposed to work through BDNF upregulation, NMDA receptor modulation, and antioxidant pathway activation in neural tissue. Community documentation reports improvements in working memory, focus, anxiety reduction, and neural resilience, though peer-reviewed clinical data specific to Adamax has not been published , making this guide's evidence base primarily analogical, drawn from closely related compounds including Semax and Selank. This guide covers Adamax's proposed mechanisms, what users report, administration routes, dosing context, safety considerations, regulatory status, and how it compares to better-studied nootropic peptides.

Adamax 24 min read

Hyaluronic Acid: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

Hyaluronic acid (HA) is a naturally occurring polysaccharide found in virtually every tissue of the human body, with the highest concentrations in skin, synovial fluid, and the vitreous humor of the eye. It is best known for its extraordinary water-retention capacity and its role in tissue hydration, joint lubrication, and wound healing - making it one of the most clinically studied and widely used bioactive compounds in medicine and skincare. This guide covers what hyaluronic acid does, how it works at the molecular level, the research behind its key applications, dosing context for each route, safety considerations, and its regulatory standing.

Hyaluronic Acid 31 min read

AOD-9604 Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

AOD-9604 is a synthetic 16-amino acid peptide fragment derived from the C-terminal region of human growth hormone, engineered to target fat metabolism without triggering growth hormone's broader hormonal effects on IGF-1, blood sugar, or tissue growth. It was studied in six randomized controlled human trials as a potential anti-obesity drug before pharmaceutical development was discontinued in 2007, and it has since been researched for joint and cartilage regeneration applications. This guide covers what AOD-9604 does, how it works, what the human trial data actually shows, dosing context, its unusually clean safety profile, and its current regulatory and WADA status.

Aod 9604 26 min read

Acetic Acid Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

Acetic acid in the context of peptide science refers not to a single compound but to three overlapping roles: a reconstitution solvent that keeps lyophilized (freeze-dried) peptides stable and soluble, a chemical modification that extends peptide half-life through N-terminal acetylation, and a counter-ion salt form in which the majority of research peptides are manufactured and sold. This guide covers what acetic acid does in each of these roles, how it interacts with the peptides it is paired with, what the research shows, and what anyone working with research peptides needs to understand about its function, safety, and quality implications. Whether you have encountered it as a reconstitution step, noticed "acetate" on a peptide vial label, or are researching specific acetylated compounds like Ac-SDKP or Argireline, this is the resource that ties those threads together.

Acetic Acid 33 min read

Alprostadil Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

Alprostadil is a synthetic form of Prostaglandin E1 (PGE1), a naturally occurring lipid compound that relaxes smooth muscle and dilates blood vessels. It is most commonly used as a second-line treatment for erectile dysfunction - particularly when oral medications have failed - and in clinical settings to maintain ductus arteriosus patency in newborns with congenital heart defects. This guide covers what alprostadil does, how it works, available formulations and dosing context, its safety profile, what the clinical research shows, and how it compares to alternatives.

Alprostadil 28 min read

ACE-031 Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

ACE-031 is a recombinant fusion protein developed by Acceleron Pharma that acts as a circulating molecular trap, capturing myostatin and other muscle-inhibitory proteins in the TGF-beta superfamily before they can reach muscle tissue. It reached Phase 2 clinical trials for Duchenne muscular dystrophy, where a single dose in healthy volunteers produced a 3.3% lean body mass increase and a 5.1% thigh muscle volume increase within 29 days - among the most striking acute muscle pharmacology findings in any human study. This guide covers ACE-031's mechanism, what the human and preclinical research shows, dosing context from clinical trial records, its safety profile, and its current regulatory status.

Ace 031 29 min read

BPC-157 Peptide: The Complete Guide — Uses, Mechanism, Dosing, Safety & Research

BPC-157 (Body Protection Compound-157) is a synthetic pentadecapeptide , a 15-amino acid chain , derived from a protective protein found in human gastric juice. It is most extensively researched for its effects on tissue repair, gut healing, and inflammation modulation, with over 100 published preclinical studies spanning three decades. This guide covers what BPC-157 does, how it works at the molecular level, what results are commonly reported, dosing context drawn from research and real-world protocols, its safety profile, and its current regulatory status.

Bpc 157 27 min read