Complete Index

The PeptiDex Peptide Directory

Every one of the 79 entries in the library, indexed A–Z and grouped by research category. Each entry carries the same structure: compound class, mechanism, studied effects, specifications, and FAQs — plus reference dosing and stacks where the literature documents them.

For research and educational purposes only. This directory is a reference index. It is not medical advice and does not recommend any compound for human use.

A–Z Index

All 79 entries with compound class, category, and key specifications at a glance. Category sections with visual cards follow below.

CompoundClassCategoryHalf-lifeMolecular weight
5-Amino-1MQ Small-molecule NNMT inhibitor Metabolic & Mitochondrial ~159 g/mol (free base)
ACE-031 Myostatin-pathway inhibitor Specialty & Research Long (Fc-fusion protein; days-to-weeks range typical of IgG1-Fc biologics) ~80 kDa (glycosylated ActRIIB-Fc homodimer)
Acetic Acid Solution 1% Reconstitution solvent Research Solutions & Adjuncts
Adamax Experimental nootropic / ampakine-class research compound Cognitive & Nootropic
Adipotide (FTPP) Pro-apoptotic peptidomimetic (prohibitin-targeting) Metabolic & Mitochondrial ~2611 g/mol (approx. C152H252N44O42)
AHK-Cu Copper-binding tripeptide Cosmetic & Dermal ~354 Da
AICAR AMPK activator (small molecule) Metabolic & Mitochondrial ~90 min (plasma, parent riboside); intracellular ZMP sustains AMPK activation for several hours ~258 g/mol
AOD-9604 Modified GH-fragment peptide Metabolic & Mitochondrial ~20-40 minutes (reported) ~1815 g/mol
Ara-290 Synthetic erythropoietin-derived peptide (Cibinetide) Healing & Recovery ~2 minutes (plasma) ~1257 Da
Argireline Cosmetic signal peptide Cosmetic & Dermal ~889 g/mol
Bacteriostatic Water Reconstitution diluent Research Solutions & Adjuncts
BPC-157 Synthetic pentadecapeptide Healing & Recovery <30 minutes (elimination, reported in rats/dogs) 1419.5 Da
BPC-157 + TB-500 Blend Multi-component research blend Healing & Recovery
Cagrilintide Long-acting amylin receptor agonist (amylin analog) GLP-1 Family ~7 days ~3731 g/mol
Cagrisema (Cagrilintide + Semaglutide) Fixed-combination amylin analog plus GLP-1 receptor agonist GLP-1 Family ~7 days (both components)
Cerebrolysin Neurotrophic peptide preparation (porcine-brain-derived) Cognitive & Nootropic ~2-4 hours (peptide fraction; mixture)
CJC-1295 GHRH analog (long-acting, with Drug Affinity Complex / DAC) Growth & GH-Axis Substantially extended vs native GHRH; reported on the order of days (approximately 6-8 days) due to albumin binding via DAC Approximately 3647 g/mol (with DAC linker)
CJC-1295 (No DAC) GHRH analog (short-acting modified GHRH(1-29), aka Mod GRF 1-29) Growth & GH-Axis Short, on the order of tens of minutes (reported approximately 30 minutes), longer than native GHRH but far shorter than the DAC version Approximately 3368 g/mol
CJC-1295 + Ipamorelin Blend Combination product: GHRH analog (CJC-1295) + GHRP/ghrelin-receptor agonist (ipamorelin) Growth & GH-Axis
Dihexa Synthetic angiotensin IV-derived oligopeptide Cognitive & Nootropic 504.7 g/mol
DSIP Endogenous neuropeptide (Delta Sleep-Inducing Peptide, nonapeptide) Cognitive & Nootropic ~7 minutes (serum) 848.8 g/mol
Dulaglutide GLP-1 receptor agonist GLP-1 Family ~5 days ~59700 g/mol
Epitalon Synthetic tetrapeptide (pineal bioregulator) Longevity & Cellular 390.35 g/mol
Follistatin 344 Myostatin-pathway inhibitor Specialty & Research ~37,800 Da (mature glycoprotein isoform)
FOXO4-DRI Senolytic peptide Longevity & Cellular
GHK-Cu Copper-binding tripeptide Cosmetic & Dermal 340.4 Da
GHRP-2 Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist Growth & GH-Axis Short, on the order of tens of minutes (reported approximately 30-60 minutes) 817.0 g/mol
GHRP-6 Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist Growth & GH-Axis Short, on the order of tens of minutes (reported approximately 15-60 minutes) 873.0 g/mol
GLOW Blend (BPC-157 + TB-500 + GHK-Cu) Multi-component research blend Cosmetic & Dermal
Glutathione Endogenous antioxidant tripeptide Healing & Recovery ~15 minutes (plasma, after IV) 307.32 g/mol
Gonadorelin Acetate GnRH analog Hormonal & Sexual Health ~2-10 min (distribution); ~10-40 min (terminal) ~1182 g/mol
HCG Gonadotropin Hormonal & Sexual Health ~30 hours (terminal) ~36,700 Da (glycoprotein heterodimer)
Hexarelin Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist Growth & GH-Axis Short, on the order of tens of minutes (reported approximately 55 minutes) 887.0 g/mol
HGH Fragment 176-191 Modified GH-fragment peptide Metabolic & Mitochondrial ~15-20 minutes (reported) ~1817 g/mol
HMG (Menotropin) Gonadotropin Hormonal & Sexual Health FSH component ~30 h; LH component ~24 h
Humanin Mitochondrial-derived peptide Longevity & Cellular 2687 g/mol (approx., 24-aa form)
IGF-1 DES IGF-1 analog (truncated des(1-3) IGF-1 variant) Growth & GH-Axis Very short in circulation (minutes), reflecting IGF-1's rapid clearance when not bound to IGFBPs Approximately 7372 g/mol
IGF-1 LR3 IGF-1 analog (Long R3 IGF-1 variant) Growth & GH-Axis Substantially longer than native IGF-1; reported on the order of many hours (approximately 20-30 hours) due to reduced IGFBP binding Approximately 9111 g/mol
Ipamorelin Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist Growth & GH-Axis ~2 hours (reported approximately 120 minutes) 711.9 g/mol
Kisspeptin-10 Neuropeptide hormone Hormonal & Sexual Health ~4 minutes (IV bolus, human) ~1302 g/mol
KLOW Blend Multi-component research blend Healing & Recovery
KPV Alpha-MSH-derived tripeptide fragment Healing & Recovery 342.43 g/mol
L-Carnitine Amino-acid derivative Research Solutions & Adjuncts ~161 g/mol
Lemon Bottle Solution Lipolytic cosmetic solution Research Solutions & Adjuncts
Lipo-C Research Solution Lipotropic research solution Research Solutions & Adjuncts
Liraglutide GLP-1 receptor agonist GLP-1 Family ~13 hours 3751.2 g/mol
LL-37 Cathelicidin antimicrobial peptide Healing & Recovery ~4493 Da
Matrixyl Cosmetic signal peptide Cosmetic & Dermal ~802 Da
Mazdutide Dual GLP-1/glucagon receptor agonist GLP-1 Family
Melanotan I Melanocortin receptor agonist Cosmetic & Dermal ~0.8-1.7 h (free peptide, SC beta-phase); ~15 h apparent for the Scenesse implant ~1646 g/mol
Melanotan II Melanocortin receptor agonist Cosmetic & Dermal ~30-60 minutes (plasma, subcutaneous) ~1024 g/mol
MIC Blend (Lipo-C + B12) Lipotropic research solution Research Solutions & Adjuncts
MK-677 (Ibutamoren) Orally active non-peptide growth-hormone secretagogue (ghrelin-receptor agonist) Growth & GH-Axis Approximately 24 hours (supports once-daily dosing in studies) 624.8 g/mol (free base); approximately 936.2 g/mol as the mesylate salt
MOTS-c Mitochondrial-derived peptide Metabolic & Mitochondrial ~2174 g/mol
NAD+ Cellular coenzyme (dinucleotide) Longevity & Cellular 663.43 g/mol (free acid)
Oxytocin Endogenous neurohormone (cyclic nonapeptide) Cognitive & Nootropic Approximately a few minutes in circulation 1007.2 g/mol
P21 Neurogenic research peptide (Cerebrolysin/CNTF-related) Cognitive & Nootropic
PE-22-28 Spadin-derived synthetic peptide (TREK-1 channel blocker) Cognitive & Nootropic 773.9 g/mol
PEG-MGF IGF-1 splice variant analog (PEGylated Mechano Growth Factor) Growth & GH-Axis Extended relative to unmodified MGF due to PEGylation (reported on the order of days), though precise values are not well established ~2867 Da (peptide core, excluding PEG)
Pinealon Short synthetic peptide bioregulator (tripeptide) Cognitive & Nootropic 418.4 g/mol
PNC-27 p53-derived anticancer research peptide Specialty & Research
PT-141 (Bremelanotide) Melanocortin receptor agonist Hormonal & Sexual Health ~2.5 hours (subcutaneous) ~1025 g/mol
Retatrutide Triple GIP/GLP-1/glucagon receptor agonist GLP-1 Family ~6 days ~4731 g/mol
Selank Synthetic heptapeptide (tuftsin analog) Cognitive & Nootropic ~2-30 minutes (plasma; short, effects outlast) 751.9 g/mol
Semaglutide GLP-1 receptor agonist GLP-1 Family ~7 days 4113.6 g/mol
Semax Synthetic ACTH(4-10) analog (heptapeptide) Cognitive & Nootropic ~2-5 minutes (plasma) 813.9 g/mol
Sermorelin GHRH analog (growth-hormone-releasing hormone analog) Growth & GH-Axis Short, on the order of minutes (reported approximately 10-20 minutes) 3357.9 g/mol
SLU-PP-332 Small-molecule ERR agonist (exercise mimetic) Metabolic & Mitochondrial ~290.3 g/mol (C18H14N2O2, CAS 303760-60-3)
SNAP-8 Cosmetic signal peptide Cosmetic & Dermal ~1075 Da
SS-31 (Elamipretide) Mitochondria-targeted tetrapeptide Longevity & Cellular 639.8 g/mol (approx.)
Survodutide Dual GLP-1/glucagon receptor agonist GLP-1 Family ~6-7 days (~120-170 hours)
TB-500 Actin-binding peptide fragment Healing & Recovery ~2-3 hours (elimination); tissue effects reported to persist for days ~4921 Da (full-length thymosin beta-4); ~889 Da for the Ac-LKKTETQ fragment form
Tesamorelin GHRH analog (stabilized long-acting GHRH(1-44) analog) Growth & GH-Axis Short in circulation (reported approximately 26-38 minutes) despite chronic dosing effects Approximately 5136 g/mol
Thymalin Thymic peptide fraction Longevity & Cellular
Thymosin Alpha-1 Immunomodulatory peptide (thymic) Longevity & Cellular ~2 hours (circulating) 3108 g/mol (approx.)
Tirzepatide Dual GIP/GLP-1 receptor agonist GLP-1 Family ~5 days 4813.5 g/mol
Triptorelin Acetate GnRH analog Hormonal & Sexual Health ~3 hours (free peptide, IV); depot forms release over weeks to months ~1311 g/mol
VIP Neuropeptide hormone Specialty & Research ~1-2 minutes (native VIP, plasma) ~3326 g/mol
Vitamin B12 (Methylcobalamin) Essential vitamin (cofactor) Metabolic & Mitochondrial ~1355 g/mol (cyanocobalamin)

GLP-1 Family 9

Glucagon-like peptide-1 receptor agonists studied for metabolic research. Read the GLP-1 Family research hub →

Growth & GH-Axis 13

Peptides studied for their interaction with the growth-hormone axis. Read the Growth & GH-Axis research hub →

CJC-1295 — GHRH analog (long-acting, with Drug Affinity Complex / DAC). 30-residue sequence shown as a side-chain class strip (2 acidic, 6 basic, 3 aromatic, 7 polar, 12 nonpolar). Modified residues: D-Ala at position 2. C-terminus -NH2. Molecular weight ≈3647 g/mol. Half-life ≈6–8 days.
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.

CJC-1295 (No DAC) — GHRH analog (short-acting modified GHRH(1-29), aka Mod GRF 1-29). 29-residue sequence shown as a side-chain class strip (2 acidic, 5 basic, 3 aromatic, 7 polar, 12 nonpolar). Modified residues: D-Ala at position 2. C-terminus -NH2. Molecular weight ≈3368 g/mol. Half-life ≈30 minutes.
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.

CJC-1295 + Ipamorelin Blend — Combination product: GHRH analog (CJC-1295) + GHRP/ghrelin-receptor agonist (ipamorelin). Composition of 2 documented components: CJC-1295, Ipamorelin. Molecular weight not listed.
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.

GHRP-2 — Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist. 6-residue sequence shown as a side-chain class strip (1 basic, 2 aromatic, 2 nonpolar, 1 nonstandard). Modified residues: D-Ala at position 1, D-2-Nal at position 2, D-Phe at position 5. C-terminus -NH2. Molecular weight 817.0 g/mol. Half-life ≈30–60 minutes.
Growth & GH-Axis

GHRP-2

Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist

A synthetic GH-releasing peptide studied alongside GHRH analogs.

GHRP-6 — Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist. 6-residue sequence shown as a side-chain class strip (2 basic, 3 aromatic, 1 nonpolar). Modified residues: D-Trp at position 2, D-Phe at position 5. C-terminus -NH2. Molecular weight 873.0 g/mol. Half-life ≈15–60 minutes.
Growth & GH-Axis

GHRP-6

Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist

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

Hexarelin — Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist. 6-residue sequence shown as a side-chain class strip (2 basic, 3 aromatic, 1 nonpolar). Modified residues: D-2-Me-Trp at position 2, D-Phe at position 5. C-terminus -NH2. Molecular weight 887.0 g/mol. Half-life ≈55 minutes.
Growth & GH-Axis

Hexarelin

Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist

A synthetic hexapeptide studied in growth-hormone secretagogue research.

IGF-1 DES — IGF-1 analog (truncated des(1-3) IGF-1 variant). Chain length 67 residues; the sequence is not listed in the dataset. Molecular weight ≈7372 g/mol.
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.

IGF-1 LR3 — IGF-1 analog (Long R3 IGF-1 variant). Chain length 83 residues; the sequence is not listed in the dataset. Molecular weight ≈9111 g/mol. Half-life ≈20–30 hours.
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.

Ipamorelin — Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist. 5-residue sequence shown as a side-chain class strip (2 basic, 1 aromatic, 2 nonstandard). Modified residues: D-2-Nal at position 3, D-Phe at position 4. C-terminus -NH2. Molecular weight 711.9 g/mol. Half-life ≈2 hours.
Growth & GH-Axis

Ipamorelin

Growth-hormone secretagogue (GHRP) / ghrelin receptor agonist

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

MK-677 (Ibutamoren) — Orally active non-peptide growth-hormone secretagogue (ghrelin-receptor agonist). No sequence or residue count is listed in the dataset. Molecular weight 624.8 g/mol. Half-life ≈24 hours.
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.

PEG-MGF — IGF-1 splice variant analog (PEGylated Mechano Growth Factor). 24-residue sequence shown as a side-chain class strip (2 acidic, 7 basic, 2 aromatic, 10 polar, 3 nonpolar). Molecular weight ≈2867 Da.
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.

Sermorelin — GHRH analog (growth-hormone-releasing hormone analog). 29-residue sequence shown as a side-chain class strip (2 acidic, 5 basic, 3 aromatic, 7 polar, 12 nonpolar). C-terminus -NH2. Molecular weight 3357.9 g/mol. Half-life ≈10–20 minutes.
Growth & GH-Axis

Sermorelin

GHRH analog (growth-hormone-releasing hormone analog)

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

Tesamorelin — GHRH analog (stabilized long-acting GHRH(1-44) analog). Chain length 44 residues; the sequence is not listed in the dataset. Molecular weight ≈5136 g/mol. Half-life ≈26–38 minutes.
Growth & GH-Axis

Tesamorelin

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

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

Healing & Recovery 8

Peptides studied in tissue-repair and recovery research. Read the Healing & Recovery research hub →

Cognitive & Nootropic 10

Peptides studied for cognitive and neurological research. Read the Cognitive & Nootropic research hub →

Adamax — Experimental nootropic / ampakine-class research compound. No sequence or residue count is listed in the dataset. Molecular weight not listed.
Cognitive & Nootropic

Adamax

Experimental nootropic / ampakine-class research compound

A synthetic peptide derivative referenced in cognitive and neurological research.

Cerebrolysin — Neurotrophic peptide preparation (porcine-brain-derived). No sequence or residue count is listed in the dataset. Molecular weight not listed. Half-life ≈2–4 hours.
Cognitive & Nootropic

Cerebrolysin

Neurotrophic peptide preparation (porcine-brain-derived)

A neuropeptide preparation studied in neurological research.

Dihexa — Synthetic angiotensin IV-derived oligopeptide. No sequence or residue count is listed in the dataset. Molecular weight 504.7 g/mol.
Cognitive & Nootropic

Dihexa

Synthetic angiotensin IV-derived oligopeptide

A synthetic peptide studied in synaptogenesis and cognitive research.

DSIP — Endogenous neuropeptide (Delta Sleep-Inducing Peptide, nonapeptide). 9-residue sequence shown as a side-chain class strip (2 acidic, 1 aromatic, 1 polar, 5 nonpolar). Molecular weight 848.8 g/mol. Half-life ≈7 minutes.
Cognitive & Nootropic

DSIP

Endogenous neuropeptide (Delta Sleep-Inducing Peptide, nonapeptide)

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

Oxytocin — Endogenous neurohormone (cyclic nonapeptide). 9-residue sequence shown as a side-chain class strip (1 aromatic, 4 polar, 4 nonpolar). Molecular weight 1007.2 g/mol.
Cognitive & Nootropic

Oxytocin

Endogenous neurohormone (cyclic nonapeptide)

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

P21 — Neurogenic research peptide (Cerebrolysin/CNTF-related). No sequence or residue count is listed in the dataset. Molecular weight not listed.
Cognitive & Nootropic

P21

Neurogenic research peptide (Cerebrolysin/CNTF-related)

A synthetic peptide studied in neurogenesis research.

PE-22-28 — Spadin-derived synthetic peptide (TREK-1 channel blocker). 7-residue sequence shown as a side-chain class strip (1 basic, 1 aromatic, 1 polar, 4 nonpolar). Molecular weight 773.9 g/mol.
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.

Pinealon — Short synthetic peptide bioregulator (tripeptide). 3-residue sequence shown as a side-chain class strip (2 acidic, 1 basic). Molecular weight 418.4 g/mol.
Cognitive & Nootropic

Pinealon

Short synthetic peptide bioregulator (tripeptide)

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

Selank — Synthetic heptapeptide (tuftsin analog). 7-residue sequence shown as a side-chain class strip (2 basic, 1 polar, 4 nonpolar). Molecular weight 751.9 g/mol. Half-life ≈2–30 minutes.
Cognitive & Nootropic

Selank

Synthetic heptapeptide (tuftsin analog)

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

Semax — Synthetic ACTH(4-10) analog (heptapeptide). 7-residue sequence shown as a side-chain class strip (1 acidic, 1 basic, 1 aromatic, 4 nonpolar). Molecular weight 813.9 g/mol. Half-life ≈2–5 minutes.
Cognitive & Nootropic

Semax

Synthetic ACTH(4-10) analog (heptapeptide)

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

Longevity & Cellular 7

Peptides studied in cellular-aging and longevity research. Read the Longevity & Cellular research hub →

Cosmetic & Dermal 8

Peptides studied in dermatological and cosmetic research contexts. Read the Cosmetic & Dermal research hub →

Metabolic & Mitochondrial 8

Peptides studied in fat-metabolism, weight-regulation, and mitochondrial research. Read the Metabolic & Mitochondrial research hub →

Hormonal & Sexual Health 6

Peptides studied in hormonal and reproductive-research contexts. Read the Hormonal & Sexual Health research hub →

Specialty & Research 4

Specialty research peptides referenced in niche or emerging study areas. Read the Specialty & Research research hub →

Research Solutions & Adjuncts 6

Solvents, reconstitution-related solutions, and adjunct compounds referenced alongside peptide research. Read the Research Solutions & Adjuncts research hub →

External Research Resources

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