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, functional medicine researcher, data analyst, peptide specialist

, functional medicine researcher, data analyst, peptide specialist , functional medicine researcher, data analyst, peptide specialist

Marcus Reid is a functional medicine researcher, data analyst, and peptide specialist, and one of the people who built MyPeptidePal. The platform exists in part because of the years he spent immersed in clinical literature, real-world protocols, and the kind of hands-on experimentation that most textbooks skip entirely. He is not a physician and does not pretend to be. What he is, is someone who has done the work to understand how these compounds actually function at a biological level, what the research actually says versus what the forums claim, and how to explain it in a way that makes sense to anyone willing to learn. At MPP, Marcus contributed to building the knowledge base, the protocol frameworks, and the research systems that power the platform. His work covers tissue repair, metabolic health, hormonal optimization, longevity, cognitive function, and cosmetic applications. When the science gets complicated, his job is to make it click.

Articles by , functional medicine researcher, data analyst, peptide specialist

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

GHK-Cu (glycyl-L-histidyl-L-lysine copper complex) is a naturally occurring tripeptide-copper complex found in human plasma, saliva, and urine that declines significantly with age. It is most extensively researched for skin aging, wound healing, and hair follicle biology, with emerging preclinical evidence in gut health, neuroprotection, and lung protection. This guide covers what GHK-Cu peptide is, how it works across multiple biological pathways, what results look like and on what timeline, dosing context, its 2023 FDA regulatory change, and the full safety and research picture.

Ghk Cu 28 min read

FOXO4-DRI Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

FOXO4-DRI is a synthetic senolytic peptide engineered to selectively trigger programmed cell death in senescent cells - the dysfunctional "zombie cells" that accumulate with aging and drive tissue deterioration. It works by disrupting a specific protein-protein interaction between FOXO4 and p53 that senescent cells depend on for survival, freeing p53 to initiate the cell's own death cascade while leaving healthy cells largely unaffected. This guide covers what the FOXO4-DRI peptide does, how it works at a mechanistic level, what preclinical research shows across aging and chemotherapy models, dosing context from published studies, safety considerations, and where the evidence - and its gaps - currently stand.

Foxo4 Dri 29 min read

Follistatin-344 Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

Follistatin-344 (FS-344) is a synthetic analogue of a naturally occurring human protein that neutralizes myostatin and several other members of the TGF-beta superfamily - the signaling proteins that put a biological ceiling on how much muscle your body can build. It is most studied in the context of skeletal muscle growth and preservation, with animal research showing dramatic increases in muscle mass, and early human research focused on gene therapy applications for muscular dystrophy. This guide covers what the Follistatin-344 peptide does, how it works at the molecular level, what the research actually shows, dosing context drawn from preclinical literature, its safety profile, and its current regulatory status.

Follistatin 344 27 min read

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

Epithalon is a synthetic tetrapeptide composed of four amino acids in sequence (alanine, glutamic acid, aspartic acid, and glycine), developed from research into pineal gland biology beginning in the 1980s by Professor Vladimir Khavinson's group in Russia. It is primarily studied for its effects on telomere maintenance, melatonin synthesis, immune function in aging, and antioxidant restoration, making it one of the most mechanistically distinctive compounds in the geroprotective peptide research space. This guide covers what the Epithalon peptide is, how it works, what the published research shows, broad dosing context, safety considerations, its current regulatory status, and how it compares to similar compounds.

Epithalon 30 min read

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

DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring nonapeptide first isolated from rabbit cerebral venous blood in 1977 and found in the human brain, gut, adrenal glands, and other tissues. It is studied primarily for its effects on sleep architecture, stress regulation via the HPA axis, and neuroprotection through NMDA receptor modulation and GABAergic activity. This guide covers what DSIP does, how it works, what the human and animal research shows, dosing context from published studies, its safety profile, and its current regulatory status.

Dsip 26 min read

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

Dermorphin is a naturally occurring seven-amino-acid peptide isolated from the skin of the South American tree frog Phyllomedusa sauvagei. It is the most potent naturally occurring analgesic peptide ever identified, with potency up to 2,170 times greater than morphine in animal studies via brain-targeted routes. This guide covers what dermorphin is, how it works at the receptor level, what the preclinical and limited human research shows, why its clinical development stalled, its current regulatory status, and the state of modern analog development programs.

Dermorphin 23 min read

CJC-1295 NO DAC Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

CJC-1295 NO DAC is a synthetic 29-amino acid analog of growth hormone-releasing hormone (GHRH), engineered with four strategic amino acid substitutions that improve enzymatic stability while deliberately preserving a short plasma half-life of 30 minutes to 2 hours. Unlike its longer-acting counterpart CJC-1295 WITH DAC, which extends its half-life to 5-8 days via albumin binding, the NO DAC version stimulates pulsatile growth hormone release that mirrors the body's natural secretory rhythms. This guide covers what CJC-1295 NO DAC does, how it works, what the research shows, how it compares to alternatives, dosing context, safety considerations, and its current regulatory status.

Cjc 1295 No Dac 26 min read

CJC-1295 DAC Peptide: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

CJC-1295 DAC is a synthetic, long-acting analog of growth hormone-releasing hormone (GHRH) - the signal your body naturally uses to tell the pituitary gland to release growth hormone. The defining feature of CJC-1295 DAC is its Drug Affinity Complex (DAC) technology, which extends the peptide's active half-life from roughly seven minutes to 5.8-8.1 days by enabling it to bind covalently to circulating albumin in the bloodstream. This guide covers what CJC-1295 DAC does, how the albumin-binding mechanism works, what the human clinical trial data shows, how it compares to CJC-1295 without DAC, dosing context, its safety profile, and its current regulatory status.

Cjc 1295 Dac 27 min read

CJC-1295 (NO DAC) + Ipamorelin Peptide Blend: The Complete Guide - Uses, Mechanism, Dosing, Safety & Research

CJC-1295 (NO DAC) + Ipamorelin is a two-compound peptide blend designed to stimulate pulsatile growth hormone release by acting simultaneously on two separate receptor systems in the pituitary gland. CJC-1295 (NO DAC) - also known as Mod GRF 1-29 - is a modified GHRH analog, while Ipamorelin is a selective growth hormone releasing peptide; together, they produce a synergistic GH pulse larger than either compound generates alone. This guide covers how the combination works, what outcomes the research and real-world protocols support, dosing context, safety considerations, and the current regulatory landscape for both compounds.

Cjc 1295 No Dac Ipamorelin 28 min read

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

Chonluten is a synthetic tripeptide bioregulator composed of three amino acids (glutamic acid, aspartic acid, and glycine), originally isolated from bronchial epithelial tissue and developed through decades of research at the Saint Petersburg Institute of Bioregulation and Gerontology in Russia. It is studied primarily for its effects on pulmonary mucosal function, inflammatory cytokine regulation, and gastrointestinal tissue protection, operating through a mechanistically distinctive pathway that involves direct nuclear penetration and DNA promoter interaction rather than conventional receptor signaling. This guide covers what Chonluten is, how it works, what the research shows, dosing context, safety considerations, and its current regulatory status.

Chonluten 27 min read

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

Cerebrolysin is a biological preparation derived from porcine brain tissue, containing approximately 80% free amino acids and 20% low-molecular-weight neuropeptides that mimic the brain's own neurotrophic factors, including BDNF, NGF, GDNF, and CNTF. It is most extensively studied for stroke recovery, vascular dementia, Alzheimer's disease research, and traumatic brain injury support, with a clinical trial database larger than most research neuropeptides. This guide covers what Cerebrolysin does, how it works across multiple brain repair pathways, what the clinical evidence shows, dosing ranges from published trials, its safety profile, and its current regulatory status.

Cerebrolysin 27 min read

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