Peptide Encyclopedia A-Z

Comprehensive Compound Directory

Detailed encyclopedia covering chemical mechanisms, storage stability, regulatory status, and clinical trial citations for 25+ research compounds.

Weight Management

AOD-9604

AOD-9604 (Advanced Obesity Drug) is a modified fragment of the C-terminus of Human Growth Hormone (176-191). It stimulates lipolysis (fat burning) and inhibits lipogenesis without altering blood glucose levels.

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Cosmetic & Skin

Argireline

Argireline (Acetyl Hexapeptide-8) is a synthetic cosmetic peptide known as "topical Botox." It inhibits the SNARE complex formation and catecholamine release, effectively reducing the depth of facial expression wrinkles without injections.

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Tissue Repair & Recovery

BPC-157

BPC-157 (Body Protection Compound 157) is a pentadecapeptide discovered in human gastric juice. Extensive preclinical research demonstrates its profound ability to accelerate the healing of tendons, ligaments, muscle tears, and gastrointestinal mucosal damage via enhanced angiogenesis (VEGF upregulation).

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GH Secretagogues

CJC-1295

CJC-1295 (without DAC, also known as Modified GRF 1-29) is a synthetic GHRH analog that stimulates the pituitary gland to release endogenous growth hormone in a physiological pulsatile manner, promoting lean muscle growth, lipolysis, and improved sleep architecture.

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Cognitive & Neuro-Support

Dihexa

Dihexa is a highly potent, blood-brain barrier permeable angiotensin IV analog. Research demonstrates it possesses profound synaptogenic properties - binding HGF and upregulating c-Met to build new dendritic spines.

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Anti-Aging & Longevity

Epitalon

Epitalon (Epithalon) is a synthetic pineal gland peptide designed by Prof. Vladimir Khavinson. Research indicates it upregulates telomerase activity, thereby lengthening telomeres, regulating melatonin synthesis, and normalizing circadian rhythms to promote profound anti-aging effects.

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Cosmetic & Skin

GHK-Cu

GHK-Cu (Copper Peptide) is a naturally occurring human tripeptide. It possesses remarkable tissue remodeling properties, stimulating collagen and elastin synthesis, promoting blood vessel growth, and reducing inflammation.

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GH Secretagogues

Ipamorelin

Ipamorelin is a highly selective, third-generation growth hormone secretagogue (ghrelin mimetic). It triggers a significant release of growth hormone without elevating cortisol, prolactin, or significantly increasing appetite, making it ideal for body composition optimization.

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Tissue Repair & Recovery

KPV

KPV (Lysine-Proline-Valine) is a naturally occurring tripeptide that possesses potent systemic anti-inflammatory, antimicrobial, and healing properties, particularly beneficial for gastrointestinal disorders.

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GLP-1 & Metabolic

Liraglutide

Liraglutide (Saxenda, Victoza) is a daily GLP-1 receptor agonist that slows gastric emptying and modulates brain satiety centers to effectively lower blood sugar and support clinically significant weight loss.

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Immune Modulation

LL-37

LL-37 is the only human cathelicidin antimicrobial peptide (CAMP). Produced by immune cells, it exhibits broad-spectrum bactericidal activity and plays a critical role in wound healing, immune signaling, and combating chronic biofilm infections.

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Sexual Health

Melanotan II

Melanotan II (MT-2) is a synthetic analog of alpha-MSH. It strongly binds to melanocortin receptors, inducing rapid melanogenesis (skin pigmentation) and potent aphrodisiac effects via central CNS stimulation.

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GH Secretagogues

MK-677

MK-677 (Ibutamoren) is an orally active, non-peptide selective agonist of the ghrelin receptor. It continuously stimulates profound, long-lasting increases in endogenous GH and IGF-1 levels.

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Anti-Aging & Longevity

MOTS-c

MOTS-c is a mitochondrial-derived peptide (MDP) that profoundly impacts metabolic homeostasis. It promotes fatty acid oxidation, enhances physical performance, and improves insulin sensitivity by targeting the folate-methionine cycle and AMPK activation.

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Anti-Aging & Longevity

NAD+

NAD+ (Nicotinamide Adenine Dinucleotide) is a critical coenzyme found in every cell, essential for mitochondrial ATP production, DNA repair (PARP activation), and sirtuin-mediated anti-aging pathways. Levels naturally decline with age and metabolic stress.

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Sexual Health

PT-141

PT-141 (Bremelanotide), FDA-approved as Vyleesi, is an active melanocortin receptor (MC3R/MC4R) agonist. Unlike PDE5 inhibitors that affect vascular flow, PT-141 works centrally in the brain to significantly increase sexual desire and treat Hypoactive Sexual Desire Disorder (HSDD) in both men and women.

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GLP-1 & Metabolic

Retatrutide

Retatrutide is a triple-hormone receptor agonist targeting GLP-1, GIP, and Glucagon receptors. Currently in Phase 3 trials, it shows unprecedented potential for treating obesity and metabolic dysfunction-associated steatotic liver disease (MASLD).

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Cognitive & Neuro-Support

Selank

Selank is a synthetic analog of the naturally occurring peptide Tuftsin. It exhibits profound anxiolytic (anti-anxiety) and nootropic effects by modulating GABA receptors and increasing BDNF expression without causing sedation.

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GLP-1 & Metabolic

Semaglutide

Semaglutide is a highly effective GLP-1 receptor agonist FDA-approved for type 2 diabetes (Ozempic) and chronic weight management (Wegovy). It mimics the natural incretin hormone to enhance insulin secretion, suppress glucagon, and delay gastric emptying, leading to significant appetite reduction and weight loss.

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Cognitive & Neuro-Support

Semax

Semax is a synthetic heptapeptide analog of ACTH developed in Russia. It acts as a potent nootropic and neuroprotective agent by rapidly upregulating Brain-Derived Neurotrophic Factor (BDNF) in the hippocampus, improving memory and focus.

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GH Secretagogues

Sermorelin

Sermorelin is a synthetic 29-amino acid polypeptide representing the amino-terminal fragment of endogenous Growth Hormone-Releasing Hormone (GHRH). It safely stimulates the pituitary to secrete GH.

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Tissue Repair & Recovery

TB-500

TB-500 is a synthetic fraction of Thymosin Beta-4. It acts as an actin-binding protein that regulates cell motility and tissue regeneration. It is commonly utilized in research for rapid muscle repair, reducing inflammation, and increasing flexibility.

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GH Secretagogues

Tesamorelin

Tesamorelin is an FDA-approved GHRH analog (Egrifta) specifically indicated for the reduction of excess abdominal visceral fat in HIV-associated lipodystrophy. It provides the strongest pulsatile GH release among secretagogues.

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Immune Modulation

Thymosin Alpha-1

Thymosin Alpha-1 (TA1) is a 28-amino acid peptide originally isolated from the thymus gland. FDA-approved as Zadaxin (internationally) for viral infections, it is a potent immune modulator that enhances T-cell maturation and immune response.

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GLP-1 & Metabolic

Tirzepatide

Tirzepatide (Mounjaro, Zepbound) is a novel first-in-class dual GIP and GLP-1 receptor agonist. By targeting two incretin pathways simultaneously, it has demonstrated unprecedented efficacy in clinical trials for both glycemic control and profound weight reduction.

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