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Research-Grade Knowledge Hub

A structured reference for the peptide research community.

PeptiDex compiles 79 peptide and research-solution entries across ten research categories into a single, consistently structured reference. Every entry is written for educational and research purposes only.

The Peptide Library

79 entries. 10 categories. Every entry structured the same way.

PeptiDex research reference visual for Semaglutide
GLP-1 Family

Semaglutide

GLP-1 receptor agonist

A long-acting GLP-1 receptor agonist extensively studied in metabolic and appetite-regulation research.

PeptiDex research reference visual for Tirzepatide
GLP-1 Family

Tirzepatide

Dual GIP/GLP-1 receptor agonist

A dual GIP/GLP-1 receptor agonist of significant interest in metabolic peptide research.

PeptiDex research reference visual for Retatrutide
GLP-1 Family

Retatrutide

Triple GIP/GLP-1/glucagon receptor agonist

A triple agonist (GLP-1/GIP/glucagon) representing the newest class in GLP-axis research.

PeptiDex research reference visual for Liraglutide
GLP-1 Family

Liraglutide

GLP-1 receptor agonist

An earlier-generation GLP-1 receptor agonist widely referenced in comparative research.

PeptiDex research reference visual for BPC-157
Healing & Recovery

BPC-157

Synthetic pentadecapeptide

A 15-amino-acid synthetic peptide fragment studied for its purported role in tissue-repair research.

PeptiDex research reference visual for TB-500
Healing & Recovery

TB-500

Actin-binding peptide fragment

A synthetic fragment of Thymosin Beta-4 frequently studied alongside BPC-157 in repair-related research.

PeptiDex research reference visual for GHK-Cu
Cosmetic & Dermal

GHK-Cu

Copper-binding tripeptide

A copper-binding tripeptide studied in dermal-research and tissue-remodeling contexts.

PeptiDex research reference visual for Ipamorelin
Growth & GH-Axis

Ipamorelin

Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist

A selective GH-secretagogue peptide studied in pulsatile GH-release research.

PeptiDex research reference visual for Sermorelin
Growth & GH-Axis

Sermorelin

GHRH analog (growth-hormone-releasing hormone analog)

A 29-amino-acid analog of GHRH used in growth-axis research.

PeptiDex research reference visual for CJC-1295
Growth & GH-Axis

CJC-1295

GHRH analog (long-acting, with Drug Affinity Complex / DAC)

A long-acting GHRH analog often referenced alongside Ipamorelin in research literature.

PeptiDex research reference visual for MK-677 (Ibutamoren)
Growth & GH-Axis

MK-677 (Ibutamoren)

Orally active non-peptide growth-hormone secretagogue (ghrelin-receptor agonist)

An orally active ghrelin-receptor agonist studied in GH-axis research.

PeptiDex research reference visual for Hexarelin
Growth & GH-Axis

Hexarelin

Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist

A synthetic hexapeptide studied in growth-hormone secretagogue research.

PeptiDex research reference visual for GHRP-2
Growth & GH-Axis

GHRP-2

Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist

A synthetic GH-releasing peptide studied alongside GHRH analogs.

PeptiDex research reference visual for GHRP-6
Growth & GH-Axis

GHRP-6

Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist

An early-generation GH-releasing peptide referenced in foundational research.

PeptiDex research reference visual for NAD+
Longevity & Cellular

NAD+

Cellular coenzyme (dinucleotide)

A coenzyme studied extensively in cellular-energy and longevity research.

PeptiDex research reference visual for Epitalon
Longevity & Cellular

Epitalon

Synthetic tetrapeptide (pineal bioregulator)

A synthetic tetrapeptide studied for its role in telomerase and aging research.

PeptiDex research reference visual for Thymalin
Longevity & Cellular

Thymalin

Thymic peptide fraction

A thymic-derived peptide studied in immunomodulatory research.

PeptiDex research reference visual for Thymosin Alpha-1
Longevity & Cellular

Thymosin Alpha-1

Immunomodulatory peptide (thymic)

A 28-amino-acid peptide studied in immune-modulation research.

PeptiDex research reference visual for FOXO4-DRI
Longevity & Cellular

FOXO4-DRI

Senolytic peptide

A synthetic peptide studied in senolytic and cellular-aging research.

PeptiDex research reference visual for Selank
Cognitive & Nootropic

Selank

Synthetic heptapeptide (tuftsin analog)

A synthetic heptapeptide studied in anxiolytic and cognitive-research contexts.

PeptiDex research reference visual for Semax
Cognitive & Nootropic

Semax

Synthetic ACTH(4-10) analog (heptapeptide)

A 7-amino-acid peptide studied in neuroprotection and cognitive research.

PeptiDex research reference visual for Dihexa
Cognitive & Nootropic

Dihexa

Synthetic angiotensin IV-derived oligopeptide

A synthetic peptide studied in synaptogenesis and cognitive research.

PeptiDex research reference visual for Cerebrolysin
Cognitive & Nootropic

Cerebrolysin

Neurotrophic peptide preparation (porcine-brain-derived)

A neuropeptide preparation studied in neurological research.

PeptiDex research reference visual for P21
Cognitive & Nootropic

P21

Neurogenic research peptide (Cerebrolysin/CNTF-related)

A synthetic peptide studied in neurogenesis research.

PeptiDex research reference visual for Melanotan II
Cosmetic & Dermal

Melanotan II

Melanocortin receptor agonist

A synthetic analog of α-MSH studied in melanogenesis research.

PeptiDex research reference visual for AOD-9604
Metabolic & Mitochondrial

AOD-9604

Modified GH-fragment peptide

A modified fragment of human growth hormone studied in lipolysis research.

PeptiDex research reference visual for SNAP-8
Cosmetic & Dermal

SNAP-8

Cosmetic signal peptide

An octapeptide studied in cosmetic-research and topical formulation contexts.

PeptiDex research reference visual for Matrixyl
Cosmetic & Dermal

Matrixyl

Cosmetic signal peptide

A palmitoyl pentapeptide studied in collagen-research and topical applications.

PeptiDex research reference visual for Argireline
Cosmetic & Dermal

Argireline

Cosmetic signal peptide

A hexapeptide studied in cosmetic muscle-relaxation research.

PeptiDex research reference visual for Kisspeptin-10
Hormonal & Sexual Health

Kisspeptin-10

Neuropeptide hormone

A decapeptide studied in reproductive endocrinology research.

PeptiDex research reference visual for PT-141 (Bremelanotide)
Hormonal & Sexual Health

PT-141 (Bremelanotide)

Melanocortin receptor agonist

A melanocortin-receptor agonist studied in neuropeptide research.

PeptiDex research reference visual for Oxytocin
Cognitive & Nootropic

Oxytocin

Endogenous neurohormone (cyclic nonapeptide)

A naturally occurring nonapeptide studied extensively in social-behavior and neuropeptide research.

PeptiDex research reference visual for 5-Amino-1MQ
Metabolic & Mitochondrial

5-Amino-1MQ

Small-molecule NNMT inhibitor

A small-molecule inhibitor of NNMT studied in fat-metabolism and mitochondrial research.

PeptiDex research reference visual for Adamax
Cognitive & Nootropic

Adamax

Experimental nootropic / ampakine-class research compound

A synthetic peptide derivative referenced in cognitive and neurological research.

PeptiDex research reference visual for AHK-Cu
Cosmetic & Dermal

AHK-Cu

Copper-binding tripeptide

A copper-binding tripeptide studied alongside GHK-Cu in dermal and follicular research contexts.

PeptiDex research reference visual for Ara-290
Healing & Recovery

Ara-290

Synthetic erythropoietin-derived peptide (Cibinetide)

An 11-amino-acid peptide derivative of erythropoietin studied in tissue-protective research.

PeptiDex research reference visual for Vitamin B12 (Methylcobalamin)
Metabolic & Mitochondrial

Vitamin B12 (Methylcobalamin)

Essential vitamin (cofactor)

A water-soluble vitamin commonly referenced as an injectable in metabolic and energy research.

PeptiDex research reference visual for DSIP
Cognitive & Nootropic

DSIP

Endogenous neuropeptide (Delta Sleep-Inducing Peptide, nonapeptide)

Delta sleep-inducing peptide, a nonapeptide studied in sleep and neurological research.

PeptiDex research reference visual for Glutathione
Healing & Recovery

Glutathione

Endogenous antioxidant tripeptide

A tripeptide antioxidant studied extensively in oxidative-stress and recovery research.

PeptiDex research reference visual for HCG
Hormonal & Sexual Health

HCG

Gonadotropin

Human chorionic gonadotropin, a glycoprotein hormone studied in reproductive-endocrinology research.

PeptiDex research reference visual for IGF-1 DES
Growth & GH-Axis

IGF-1 DES

IGF-1 analog (truncated des(1-3) IGF-1 variant)

A truncated analog of insulin-like growth factor-1 studied in localized growth-factor research.

PeptiDex research reference visual for IGF-1 LR3
Growth & GH-Axis

IGF-1 LR3

IGF-1 analog (Long R3 IGF-1 variant)

A long-acting analog of insulin-like growth factor-1 studied in IGF-axis research.

PeptiDex research reference visual for KPV
Healing & Recovery

KPV

Alpha-MSH-derived tripeptide fragment

A C-terminal tripeptide of α-MSH studied in inflammation and tissue-repair research.

PeptiDex research reference visual for LL-37
Healing & Recovery

LL-37

Cathelicidin antimicrobial peptide

A human cathelicidin-derived antimicrobial peptide studied in immunology and tissue-repair research.

PeptiDex research reference visual for MOTS-c
Metabolic & Mitochondrial

MOTS-c

Mitochondrial-derived peptide

A mitochondrial-derived peptide studied in metabolic regulation and exercise research.

PeptiDex research reference visual for Melanotan I
Cosmetic & Dermal

Melanotan I

Melanocortin receptor agonist

A synthetic analog of α-MSH studied in melanogenesis research, the earlier-generation counterpart to Melanotan II.

PeptiDex research reference visual for Pinealon
Cognitive & Nootropic

Pinealon

Short synthetic peptide bioregulator (tripeptide)

A short synthetic tripeptide studied in neuroprotection and cellular-aging research.

PeptiDex research reference visual for PNC-27
Specialty & Research

PNC-27

p53-derived anticancer research peptide

A synthetic peptide studied in cancer-research literature for its membrane-disrupting activity.

PeptiDex research reference visual for SLU-PP-332
Metabolic & Mitochondrial

SLU-PP-332

Small-molecule ERR agonist (exercise mimetic)

An ERR (estrogen-related receptor) agonist and exercise-mimetic compound referenced in metabolic research.

PeptiDex research reference visual for SS-31 (Elamipretide)
Longevity & Cellular

SS-31 (Elamipretide)

Mitochondria-targeted tetrapeptide

A mitochondria-targeting tetrapeptide studied in cellular-energy and longevity research.

PeptiDex research reference visual for Tesamorelin
Growth & GH-Axis

Tesamorelin

GHRH analog (stabilized long-acting GHRH(1-44) analog)

A synthetic GHRH analog studied in growth-hormone and metabolic research.

PeptiDex research reference visual for VIP
Specialty & Research

VIP

Neuropeptide hormone

Vasoactive intestinal peptide, a 28-amino-acid neuropeptide studied across vascular and neurological research.

PeptiDex research reference visual for BPC-157 + TB-500 Blend
Healing & Recovery

BPC-157 + TB-500 BlendBlend

Multi-component research blend

A research-supplier blend pairing BPC-157 with TB-500, two peptides commonly studied together in tissue-repair research.

PeptiDex research reference visual for CJC-1295 + Ipamorelin Blend
Growth & GH-Axis

CJC-1295 + Ipamorelin BlendBlend

Combination product: GHRH analog (CJC-1295) + GHRP/ghrelin-receptor agonist (ipamorelin)

A research-supplier blend combining the GHRH analog CJC-1295 with the GH-secretagogue Ipamorelin, often paired in growth-axis research.

PeptiDex research reference visual for CJC-1295 (No DAC)
Growth & GH-Axis

CJC-1295 (No DAC)

GHRH analog (short-acting modified GHRH(1-29), aka Mod GRF 1-29)

A short-acting form of CJC-1295 lacking the Drug Affinity Complex, referenced in pulsatile GH-release research.

PeptiDex research reference visual for GLOW Blend (BPC-157 + TB-500 + GHK-Cu)
Cosmetic & Dermal

GLOW Blend (BPC-157 + TB-500 + GHK-Cu)Blend

Multi-component research blend

A research-supplier blend combining BPC-157, TB-500, and GHK-Cu, three peptides referenced in dermal and tissue-repair research contexts.

PeptiDex research reference visual for KLOW Blend
Healing & Recovery

KLOW BlendBlend

Multi-component research blend

A research-supplier blend referenced in recovery and inflammation research, combining multiple repair-related peptides.

PeptiDex research reference visual for Adipotide (FTPP)
Metabolic & Mitochondrial

Adipotide (FTPP)

Modified GH-fragment peptide

A pro-apoptotic peptidomimetic referenced in adipose-tissue and metabolic research literature.

PeptiDex research reference visual for Cagrilintide
GLP-1 Family

Cagrilintide

Long-acting amylin receptor agonist (amylin analog)

A long-acting amylin analog studied alongside GLP-1 agonists in metabolic-research contexts.

PeptiDex research reference visual for Dulaglutide
GLP-1 Family

Dulaglutide

GLP-1 receptor agonist

A long-acting GLP-1 receptor agonist Fc-fusion referenced in comparative metabolic research.

PeptiDex research reference visual for AICAR
Metabolic & Mitochondrial

AICAR

AMPK activator (small molecule)

An AMP-activated protein kinase (AMPK) activator studied in exercise-mimetic and energy-metabolism research.

PeptiDex research reference visual for Gonadorelin Acetate
Hormonal & Sexual Health

Gonadorelin Acetate

GnRH analog

A synthetic decapeptide form of gonadotropin-releasing hormone (GnRH) referenced in reproductive-endocrinology research.

PeptiDex research reference visual for HGH Fragment 176-191
Metabolic & Mitochondrial

HGH Fragment 176-191

Modified GH-fragment peptide

A 16-amino-acid C-terminal fragment of human growth hormone studied in lipolysis-related research.

PeptiDex research reference visual for ACE-031
Specialty & Research

ACE-031

Myostatin-pathway inhibitor

A soluble activin receptor type-IIB fusion protein referenced in myostatin-pathway and muscle-research literature.

PeptiDex research reference visual for Cagrisema (Cagrilintide + Semaglutide)
GLP-1 Family

Cagrisema (Cagrilintide + Semaglutide)Blend

Fixed-combination amylin analog plus GLP-1 receptor agonist

A research-supplier blend combining the amylin analog cagrilintide with the GLP-1 receptor agonist semaglutide, referenced in combination metabolic-research contexts.

PeptiDex research reference visual for HMG (Menotropin)
Hormonal & Sexual Health

HMG (Menotropin)

Gonadotropin

Human Menopausal Gonadotropin — a mixture of FSH and LH referenced in reproductive-endocrinology research.

PeptiDex research reference visual for Humanin
Longevity & Cellular

Humanin

Mitochondrial-derived peptide

A 24-amino-acid mitochondrial-derived peptide studied in cytoprotection and cellular-aging research.

PeptiDex research reference visual for Triptorelin Acetate
Hormonal & Sexual Health

Triptorelin Acetate

GnRH analog

A synthetic decapeptide GnRH agonist referenced in reproductive-research literature.

PeptiDex research reference visual for Follistatin 344
Specialty & Research

Follistatin 344

Myostatin-pathway inhibitor

A 344-amino-acid isoform of follistatin referenced in myostatin-pathway and muscle-research literature.

PeptiDex research reference visual for Mazdutide
GLP-1 Family

Mazdutide

Dual GLP-1/glucagon receptor agonist

A dual GLP-1 and glucagon receptor agonist referenced in emerging metabolic-research literature.

PeptiDex research reference visual for PE-22-28
Cognitive & Nootropic

PE-22-28

Spadin-derived synthetic peptide (TREK-1 channel blocker)

A synthetic peptide analog of spadin referenced in mood and neuroplasticity research.

PeptiDex research reference visual for Survodutide
GLP-1 Family

Survodutide

Dual GLP-1/glucagon receptor agonist

A dual GLP-1 and glucagon receptor agonist studied in emerging metabolic and hepatic-research contexts.

PeptiDex research reference visual for PEG-MGF
Growth & GH-Axis

PEG-MGF

IGF-1 splice variant analog (PEGylated Mechano Growth Factor)

A PEGylated form of mechano growth factor referenced in muscle and tissue-repair research.

PeptiDex research reference visual for L-Carnitine
Research Solutions & Adjuncts

L-Carnitine

Amino-acid derivative

A quaternary ammonium compound referenced as a metabolic adjunct in fatty-acid transport research.

PeptiDex research reference visual for Lipo-C Research Solution
Research Solutions & Adjuncts

Lipo-C Research Solution

Lipotropic research solution

An injectable research solution combining lipotropic compounds, referenced in metabolic-research contexts. Not a peptide; included as an adjunct reference.

PeptiDex research reference visual for MIC Blend (Lipo-C + B12)
Research Solutions & Adjuncts

MIC Blend (Lipo-C + B12)Blend

Lipotropic research solution

A research-supplier adjunct blend combining lipotropic compounds with methylcobalamin, referenced in metabolic-research contexts.

PeptiDex research reference visual for Lemon Bottle Solution
Research Solutions & Adjuncts

Lemon Bottle Solution

Lipolytic cosmetic solution

An injectable research solution referenced in lipolysis-related cosmetic-research literature. Adjunct, not a peptide.

PeptiDex research reference visual for Bacteriostatic Water
Research Solutions & Adjuncts

Bacteriostatic Water

Reconstitution diluent

Sterile water containing 0.9% benzyl alcohol, used to reconstitute lyophilized research peptides for in-vitro study.

PeptiDex research reference visual for Acetic Acid Solution 1%
Research Solutions & Adjuncts

Acetic Acid Solution 1%

Reconstitution solvent

A dilute acetic acid solution referenced as a reconstitution solvent for select peptides with poor BAC-water solubility.

External Research Resources

Research Supplier Spotlight

For researchers conducting in-vitro studies, third-party suppliers such as Practically Natty Peptides provide research-grade materials with third-party Certificates of Analysis, US-based shipping, and documented HPLC purity.

Explore Research Suppliers →

Outbound link to a third-party supplier. Inclusion does not constitute endorsement; all editorial content is developed independently.