The Definitive Peptide Research Reference Guide — Compound Review

Research Compound Matrix

Peptide Comparison Chart

A comprehensive side-by-side matrix of all 30 research compounds in the Purgo Labs catalog — sorted by mechanism class, half-life, and price. Select any 2–4 compounds to compare them directly.

30
Compounds
8
Categories
≥99%
Purity Standard
3rd Party
COA Verified
All compounds listed are for research purposes only. Not for human use. Not FDA-approved for therapeutic application. Always consult a qualified healthcare professional.
30 compounds
Select 2–4 compounds using the checkboxes to compare them side-by-side
SelectMechanism ClassPrimary TargetAdmin RoutePurityAction
Dihexa
Dihexa (PNB-0408) — HGF/c-Met Signaling Enhancer
CognitiveHGF/MET agonistHGF receptor (c-Met)~3–4 hoursSubQ / Oral≥99%$149.99
DSIP
DSIP — Delta Sleep-Inducing Peptide
CognitiveSubQ≥99%$29.99
Selank
Selank — Synthetic Tuftsin Analog Anxiolytic
CognitiveAnxiolytic neuropeptideGABA-A, enkephalinase inhibition~5 minutes (plasma)Intranasal / SubQ≥99%$29.99
Semax
Semax — ACTH(4-7) Pro-Gly-Pro Analog Nootropic
CognitiveACTH analogue / NootropicBDNF, VEGF, dopamine system~5 minutes (plasma)Intranasal / SubQ≥99%$29.99
CJC-1295
CJC-1295 (Modified GRF 1-29 / GHRH Analog)
GrowthGHRH analogueGHRH receptor (pituitary)~8 days (with DAC)SubQ≥99%$54.99
CJC/Ipamorelin Blend
CJC-1295 + Ipamorelin Combination — Dual GH Secretagogue Stack
GrowthSubQ≥99%$79.99
IGF-1 LR3
Insulin-like Growth Factor 1 Long Arginine 3
GrowthIGF-1 analogueIGF-1R (insulin-like growth factor receptor)~20–30 hoursSubQ / IM≥99%$24.99
Ipamorelin
Ipamorelin (NNC-26-0161) — Selective GHS-R Agonist
GrowthGHRP / Ghrelin mimeticGHS-R1a (ghrelin receptor)~2 hoursSubQ≥99%$54.99
Tesamorelin
Tesamorelin — Trans-3-Hexenoic Acid Modified GHRH Analog
GrowthGHRH analogue (modified)GHRH receptor (pituitary)~8 minutesSubQ≥99%$39.99
LL-37
LL-37 — Human Cathelicidin Antimicrobial Peptide
ImmuneCathelicidin antimicrobial peptideBacterial membranes, TLR4, FPRL1~1–2 hoursSubQ / Topical≥99%$79.99
Thymosin Alpha-1
Thymosin Alpha-1 (Tα1) — Thymic Immunomodulatory Peptide
ImmuneThymic peptide / ImmunomodulatorTLR2/9, dendritic cells, T-cell maturation~2 hoursSubQ≥99%$54.99
VIP
VIP — Vasoactive Intestinal Peptide
ImmuneSubQ≥99%$49.99
Epithalon
Epithalon (Epitalon) — Tetrapeptide Telomere Regulator
LongevityTelomerase activatorTelomerase (TERT), pineal gland~1 hourSubQ / IV≥99%$49.99
Glutathione
L-Glutathione Reduced — Master Cellular Antioxidant
LongevityAntioxidant tripeptideROS scavenging, GSH/GSSG redox~2–3 minutes (IV)IV / SubQ≥99%$39.99
MOTS-c
MOTS-c — Mitochondrial Open Reading Frame of the 12S rRNA-c
LongevitySubQ≥99%$49.99
NAD+
Nicotinamide Adenine Dinucleotide (Oxidized Form)
LongevityCoenzyme / NAD+ precursorSirtuins (SIRT1–7), PARP, CD38~1–2 hours (IV)IV / SubQ≥99%$59.99
SS-31
SS-31 (Elamipretide) — Szeto-Schiller Mitochondria-Targeting Peptide
LongevitySubQ≥99%$59.99
AOD-9604
AOD-9604 — Anti-Obesity Drug Fragment (hGH 176-191)
MetabolicSubQ≥99%$39.99
GLP-1
Glucagon-Like Peptide-1 (7-36 amide)
MetabolicIncretin / GLP-1 agonistGLP-1R (pancreas, hypothalamus)~2 minutes (native)SubQ≥99%$49.99
GLP-2 T
Teduglutide — Glucagon-Like Peptide-2 Analog
MetabolicIncretin / GLP-2 agonistGLP-2R (intestinal epithelium)~7 minutes (native)SubQ≥99%$49.99
GLP-3 R
Retatrutide (LY3437943) — GIP/GLP-1/Glucagon Triple Agonist
MetabolicTriple incretin agonistGLP-1R, GIP-R, GCGR~6 days (est.)SubQ≥99%$59.99
KLOW
Kisspeptin-10 — GPR54 Receptor Agonist
MetabolicGIP / GLP-1 dual agonist blendGIP-R, GLP-1R, GCGRVariable (blend)SubQ≥99%$154.99
BPC-157
Body Protection Compound 157
RecoveryCytoprotective / AngiogenicVEGFR2, Egr-1, NO system~4 hoursSubQ / Oral≥99%$24.99
TB-500
Thymosin Beta-4 Synthetic Fragment (Ac-LKKTETQ)
RecoveryActin-binding / AngiogenicG-actin (WH2 domain), VEGF~6 hoursSubQ / IM≥99%$49.99
Wolverine Blend
Wolverine Blend — BPC-157 + TB-500 Combination
RecoveryCombination (BPC-157 + TB-500)VEGFR2, G-actin, Egr-14–6 hoursSubQ≥99%$49.00
PT-141
Bremelanotide — Melanocortin Receptor Agonist
Sexual HealthMelanocortin agonist (central)MC3R, MC4R (hypothalamus)~2.7 hoursSubQ / Intranasal≥99%$44.99
GHK-Cu
Glycyl-L-Histidyl-L-Lysine Copper(II) Complex
Skin & Anti-AgingCopper peptide / RemodelingMMP system, TGF-β, VEGF~0.5–1 hourSubQ / Topical≥99%$39.99
Glow Complex
Glow Complex — GHK-Cu + BPC-157 + TB-500 Tri-Peptide Blend
Skin & Anti-AgingCombination (GHK-Cu + BPC-157 + TB-500)MMP, VEGFR2, G-actinVariableSubQ≥99%$114.99
MT1
Afamelanotide (Melanotan-I)
Skin & Anti-AgingMelanocortin agonistMC1R (melanocortin receptor 1)~1–2 hoursSubQ≥99%$29.99
MT2
Melanotan II — Cyclic Melanocortin Analog
Skin & Anti-AgingMelanocortin agonistMC1R, MC3R, MC4R, MC5R~2 hoursSubQ≥99%$36.99

Research Focus by Category

A quick-reference summary of each category's primary research applications and the compounds within it.

Recovery Research

Tissue repair, wound healing, tendon/ligament regeneration, GI mucosal protection, angiogenesis.

Skin & Anti-Aging Research

Collagen synthesis, melanogenesis, skin regeneration, photoprotection, anti-aging signaling.

Growth Research

GH secretagogue activity, IGF-1 axis, body composition, muscle protein synthesis, visceral fat.

Metabolic Research

Incretin signaling, glucose homeostasis, appetite regulation, obesity, metabolic syndrome.

Longevity Research

NAD+ biology, telomere maintenance, antioxidant defense, mitochondrial function, circadian regulation.

Sexual Health Research

Central melanocortin pathway activation, libido, sexual dysfunction (distinct from PDE5 inhibitors).

Cognitive Research

Neuroprotection, synaptogenesis, BDNF upregulation, anxiety modulation, memory enhancement.

Immune Research

Antimicrobial activity, T-cell maturation, innate immune modulation, wound healing, viral defense.

Frequently Asked Questions

Ready to Source Research-Grade Compounds?

All compounds in this comparison are available from Purgo Labs — ≥99% purity, third-party COA verified, cGMP facility. Use code Health for 15% off every order.

Browse All Compounds at Purgo Labs

For research purposes only. Not for human use.

Medical Disclaimer: All content on this site is for educational and research purposes only. Research peptides are not FDA-approved for human use. Always consult a qualified healthcare professional before considering any peptide or supplement protocol. Nothing on this site constitutes medical advice, diagnosis, or treatment.