Peptide Therapy Guide
Peptide therapy is one of the fastest-growing areas of regenerative and functional medicine. Peptides are short chains of amino acids that may support a wide range of biological processes, from immune modulation and tissue recovery to metabolic optimization and cognitive performance. Below you will find all 25 peptides commonly used in clinical peptide therapy today.
Each peptide page includes detailed information on how it works, potential benefits, who commonly seeks it, and how to find a qualified provider near you.
All 25 Peptides
BPC-157
RecoveryBPC-157, or Body Protection Compound-157, is a synthetic peptide derived from a naturally occurring protein found in human gastric juice. It consists of 15 amin…
Learn moreCJC-1295
Growth HormoneCJC-1295 is a synthetic analog of growth hormone-releasing hormone (GHRH) that has been modified to extend its half-life in the body. Originally developed to ad…
Learn moreIpamorelin
Growth HormoneIpamorelin is a selective growth hormone secretagogue that mimics the action of ghrelin, the body's natural hunger and growth hormone-releasing hormone. Unlike …
Learn moreThymosin Alpha-1
ImmuneThymosin Alpha-1 (Ta1) is a naturally occurring peptide composed of 28 amino acids, originally isolated from the thymus gland. It plays a central role in the ma…
Learn moreThymosin Beta-4
RecoveryThymosin Beta-4 (TB4) is a 43-amino acid peptide that is naturally present in nearly all human tissues and cell types. It is the most abundant member of the bet…
Learn moreSermorelin
Growth HormoneSermorelin is a synthetic peptide consisting of the first 29 amino acids of naturally occurring growth hormone-releasing hormone (GHRH 1-29). It was one of the …
Learn moreSemaglutide
Weight ManagementSemaglutide is a glucagon-like peptide-1 (GLP-1) receptor agonist that has become one of the most discussed peptides in modern medicine due to its significant e…
Learn moreTirzepatide
Weight ManagementTirzepatide is a novel dual-action peptide that acts as an agonist at both the glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (G…
Learn morePT-141
Sexual HealthPT-141, also known as Bremelanotide, is a synthetic peptide derived from Melanotan II that acts on melanocortin receptors in the central nervous system to influ…
Learn moreGHK-Cu
Skin & HairGHK-Cu (copper peptide GHK-Cu, or glycyl-L-histidyl-L-lysine copper complex) is a naturally occurring tripeptide with a strong affinity for copper ions. It is f…
Learn moreSelank
CognitiveSelank is a synthetic peptide developed at the Institute of Molecular Genetics of the Russian Academy of Sciences, based on the naturally occurring immunomodula…
Learn moreSemax
CognitiveSemax is a synthetic heptapeptide derived from the adrenocorticotropic hormone (ACTH) fragment 4-10 with an added Pro-Gly-Pro C-terminal tripeptide for enhanced…
Learn moreDSIP
CognitiveDelta Sleep-Inducing Peptide (DSIP) is a naturally occurring nonapeptide first identified in 1977 from the cerebral venous blood of rabbits during induced sleep…
Learn moreEpithalon
LongevityEpithalon (also spelled Epitalon) is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) based on the naturally occurring epithalamin, a peptide produced by the pineal g…
Learn moreNAD+
LongevityNAD+ (nicotinamide adenine dinucleotide) is a critical coenzyme found in every living cell, playing a central role in cellular energy production, DNA repair, an…
Learn moreGlutathione
LongevityGlutathione is a tripeptide composed of glutamine, cysteine, and glycine, and is the most abundant intracellular antioxidant in the human body. It is produced n…
Learn moreAOD-9604
Weight ManagementAOD-9604 (Advanced Obesity Drug) is a modified fragment of human growth hormone, specifically amino acids 176-191, with an additional tyrosine at the N-terminus…
Learn moreMOTS-c
LongevityMOTS-c (Mitochondrial Open Reading Frame of the Twelve S rRNA type-c) is a mitochondrial-derived peptide consisting of 16 amino acids, encoded within the mitoch…
Learn moreHumanin
LongevityHumanin is a 24-amino acid mitochondrial-derived peptide first discovered in 2001 from a cDNA library of the brain of a patient with Alzheimer's disease. It was…
Learn moreTesamorelin
Growth HormoneTesamorelin is a synthetic analog of growth hormone-releasing hormone (GHRH) consisting of all 44 amino acids of human GHRH with an added trans-3-hexenoic acid …
Learn moreOxytocin
Sexual HealthOxytocin is a naturally occurring nonapeptide hormone produced in the hypothalamus and released by the posterior pituitary gland. Often referred to as the 'bond…
Learn moreMelanotan II
Skin & HairMelanotan II is a synthetic cyclic heptapeptide analog of alpha-melanocyte-stimulating hormone (a-MSH) developed at the University of Arizona. It acts on multip…
Learn moreKPV
ImmuneKPV is a tripeptide consisting of the amino acids lysine-proline-valine, derived from the C-terminal sequence of alpha-melanocyte-stimulating hormone (a-MSH). D…
Learn moreLL-37
ImmuneLL-37 is the only human cathelicidin antimicrobial peptide, consisting of 37 amino acids beginning with two leucine residues (hence its name). It is produced by…
Learn moreCerebrolysin
CognitiveCerebrolysin is a unique peptide preparation consisting of low-molecular-weight neuropeptides and free amino acids derived from porcine brain tissue through sta…
Learn moreExplore More
Conditions & Treatments
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Compare Peptides
See side-by-side comparisons of similar peptides to understand which may be the best fit for your goals.
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Medical Disclaimer: This content is for informational purposes only and does not constitute medical advice, diagnosis, or treatment. Peptide therapies should only be administered by licensed healthcare providers. Always consult with a qualified healthcare professional before starting any new treatment. PeptideLeads is a marketing agency and does not provide medical services.