Peptide Research Guides
In-depth, citation-grounded breakdowns of the most-studied research peptides — mechanism of action, half-life, reconstitution math, and what the published literature actually says.
BPC-157 Research Guide: Mechanism & Research Overview
Body Protection Compound 157 is one of the most-studied research peptides in preclinical tissue repair literature. Here is what the data actually shows.
Read guideTB-500 Research Guide: Thymosin Beta-4 Fragment in Tissue Repair Studies
TB-500 is a synthetic fragment of Thymosin Beta-4 widely studied for actin sequestration, cell migration, and tissue repair pathways. Here is the research breakdown.
Read guideGLP-3 RT Research Guide: Triple Agonist in Metabolic Studies
GLP-3 RT is the most-discussed metabolic research peptide of the last 24 months.
Read guideGLP-1 S Research Guide: GLP-1 Agonism: Mechanism & Research Overview
GLP-1 S is the most-cited GLP-1 receptor agonist in modern metabolic research. Here is the mechanism, the published data, and the reconstitution concentrations.
Read guideGLP-2 T Research Guide: Dual GLP-1/GIP Agonist Mechanism
GLP-2 T is the first dual GLP-1/GIP receptor agonist in published metabolic literature. Here is the mechanism and the trial data breakdown.
Read guideNAD+ Research Guide: Cellular Energy, Sirtuins
NAD+ sits at the center of cellular energy metabolism and sirtuin signaling. Here is what the research literature actually shows.
Read guideGHK-Cu Research Guide: Copper Peptide in Skin & Tissue Studies
GHK-Cu is a naturally occurring copper-binding tripeptide with one of the broadest gene-expression footprints in published peptide research.
Read guideWolverine Stack Research Guide: BPC-157 + TB-500 Synergy
The Wolverine Stack pairs BPC-157 with TB-500 — two of the most-studied peptides in preclinical tissue repair literature. Here is why they are studied together.
Read guideMOTS-C Research Guide: Mitochondrial Peptide, Metabolism & Half-Life
MOTS-C is a 16-amino-acid peptide encoded within mitochondrial DNA. Research links it to AMPK activation, metabolic flexibility, and exercise capacity.
Read guideCJC-1295 + Ipamorelin Research Guide: GHRH/GHRP Combo Mechanism
CJC-1295 without DAC pairs a GHRH analog with the selective GHRP Ipamorelin to study pulsatile growth-hormone release. Here is the research breakdown.
Read guideTesamorelin Research Guide: GHRH Analog, Visceral Fat & Half-Life
Tesamorelin is a stabilized GHRH analog with the most robust visceral-fat-reduction data of any growth-hormone secretagogue studied in humans.
Read guideKisspeptin Research Guide: HPG Axis, LH Pulse
Kisspeptin sits at the top of the HPG axis, gating GnRH release and downstream LH/FSH pulses. Here is the research breakdown.
Read guideHGH (Somatropin) Research Guide: Mechanism, IGF-1 & Half-Life
Recombinant human growth hormone (Somatropin, 191aa) is the reference molecule for the entire growth-hormone secretagogue space. Here is the research overview.
Read guideGlutathione Research Guide: Master Antioxidant, Redox & Dosing Math
Glutathione is the master endogenous antioxidant — a tripeptide central to cellular redox balance, detoxification, and immune function research.
Read guideSelank Research Guide: Anxiolytic Heptapeptide Mechanism & Dosing
Selank is a synthetic heptapeptide analog of the immunomodulatory peptide tuftsin, studied for anxiolytic and nootropic effects without sedation or dependence.
Read guideSemax Research Guide: Nootropic ACTH Fragment Mechanism & Dosing
Semax is a synthetic heptapeptide analog of ACTH(4-10), studied for nootropic and neuroprotective effects via BDNF and NGF upregulation.
Read guideEpithalon Research Guide: Telomerase, Pineal & Longevity Studies
Epithalon is a synthetic tetrapeptide derived from the pineal extract Epithalamin, studied for telomerase activation and circadian/longevity endpoints.
Read guideSermorelin Research Guide: GHRH(1-29): Mechanism & Research Overview
Sermorelin (GHRH 1-29) is the shortest fragment of growth-hormone-releasing hormone that retains full biological activity. Here is the research breakdown.
Read guideAOD-9604 Research Guide: hGH Fragment 176-191 & Lipolysis
AOD-9604 is a 16-amino-acid fragment of the C-terminus of human growth hormone, studied for its lipolytic effects without the metabolic side effects of full HGH.
Read guide5-Amino-1MQ Research Guide: NNMT Inhibitor Mechanism & Dosing
5-Amino-1MQ is a small-molecule inhibitor of nicotinamide N-methyltransferase (NNMT), studied for adipose-tissue metabolism and NAD+ pool preservation.
Read guideCagrilintide Research Guide: Long-Acting Amylin Analog & Satiety
Cagrilintide is a long-acting amylin analog studied alongside GLP-1 S (CagriSema) for additive effects on satiety, gastric emptying, and weight research.
Read guidePT-141 Research Guide: Bremelanotide Melanocortin Mechanism
PT-141 (Bremelanotide) is a synthetic melanocortin receptor agonist studied for centrally-mediated sexual-response pathways — distinct from PDE5 inhibitors.
Read guideCerebrolysin Research Guide: Porcine Neuropeptide Complex & Half-Life
Cerebrolysin is a peptide-and-amino-acid complex derived from purified porcine brain tissue, studied for neurotrophic effects in stroke and cognitive research.
Read guideCJC-1295 (No DAC) Research Guide: Modified GRF (1-29) Mechanism
CJC-1295 without DAC — also called Modified GRF (1-29) — is a short-acting GHRH analog used in pulsatile GH-release research protocols.
Read guideAHK-Cu Research Guide: Copper Tripeptide in Hair Follicle Studies
AHK-Cu is a copper-binding tripeptide most-studied for its effects on dermal papilla cells and follicular angiogenesis.
Read guideGLOW Stack Research Guide: BPC-157 + TB-500 + GHK-Cu
GLOW combines three of the most-studied recovery peptides in one vial: BPC-157, TB-500, and GHK-Cu.
Read guideIpamorelin Research Guide: Selective GHRP Mechanism & Half-Life
Ipamorelin is a pentapeptide GHRP prized in research for its selective growth-hormone release without cortisol or prolactin spikes.
Read guideKPV Research Guide: α-MSH Tripeptide in Inflammation Studies
KPV is the C-terminal tripeptide of α-melanocyte stimulating hormone — a compact anti-inflammatory sequence widely studied in gut mucosal research.
Read guideKLOW Stack Research Guide: GHK-Cu + TB-500 + BPC-157 + KPV
KLOW extends the classic GLOW stack with KPV, adding an α-MSH-derived anti-inflammatory arm to the copper/actin/VEGFR2 combination.
Read guideL-Carnitine Research Guide: Fatty Acid Oxidation & Mitochondrial Transport
L-Carnitine is an amino acid derivative essential for long-chain fatty-acid transport into the mitochondrial matrix — a core node in fat-oxidation research.
Read guideMelanotan II (MT-2) Research Guide: Melanocortin Receptor Agonism
Melanotan II is a synthetic α-MSH analog studied for its potent non-selective melanocortin receptor agonism.
Read guideOxytocin Research Guide: Neuropeptide in Social & Behavioral Studies
Oxytocin is a nine-amino-acid neuropeptide central to social bonding, trust, and behavioral research literature.
Read guideVitamin B12 (Methylcobalamin) Research Guide
Methylcobalamin is the bioactive coenzyme form of Vitamin B12 — essential for methionine synthase and cellular methylation pathways.
Read guideAdamax Research Guide: N-Acetyl Semax Amidate Nootropic
Adamax is a modified Semax analog engineered for enhanced enzymatic stability and prolonged central activity in cognitive research models.
Read guidePNC-27 Research Guide: HDM-2 Binding Anticancer Peptide
PNC-27 is a chimeric peptide that selectively lyses tumor cells expressing membrane-bound HDM-2 while sparing normal cells.
Read guideFirst Responder Stack Research Guide: Growth, Recovery & Metabolic
The First Responder Stack combines three research protocols into one bundle: pulsatile GH release, tissue repair, and triple-agonist metabolic signaling.
Read guideNeuro Health Stack Research Guide: Epithalon + Selank + Semax
The Neuro Health Stack pairs three neuropeptides — one telomeric, one anxiolytic, one nootropic — into a single research bundle.
Read guideEnergy & Focus Stack Research Guide: MOTS-C + Semax + NAD+
The Energy & Focus Stack pairs mitochondrial (MOTS-C), nootropic (Semax), and NAD-precursor (NAD+) research peptides.
Read guideHCG Research Guide: LH-Receptor Agonism & Testosterone Research
HCG is a placental glycoprotein hormone that acts as a potent LH-receptor agonist — central to reproductive endocrinology research.
Read guideHGH Fragment 176-191 Research Guide: Lipolytic C-Terminal Fragment
HGH Fragment 176-191 is the lipolytic C-terminal region of human growth hormone, isolated from its growth-promoting activity.
Read guideMelatonin Research Guide: Circadian Neurohormone & Antioxidant
Melatonin is the pineal neurohormone that entrains circadian rhythm — and one of the most potent endogenous free-radical scavengers in the mammalian body.
Read guideMelanotan I (MT-1 / Afamelanotide) Research Guide
MT-1 (Afamelanotide) is a selective MC1R agonist and the only clinically-approved melanocortin peptide.
Read guideSelank + Semax Research Guide: Combined Anxiolytic + Nootropic Vial
This combination vial pairs Selank (anxiolytic) with Semax (nootropic) — two Russian-developed neuropeptides frequently paired in cognitive research.
Read guideSS-31 (Elamipretide) Research Guide: Cardiolipin-Stabilizing Tetrapeptide
SS-31 is a small tetrapeptide that concentrates in the inner mitochondrial membrane and stabilizes cardiolipin — a key node in mitochondrial-function research.
Read guideCardiogen Research Guide: Cardiac Peptide Bioregulator (Ala-Glu-Asp-Arg)
Cardiogen is a short tetrapeptide bioregulator (Ala-Glu-Asp-Arg) from the Khavinson peptide class, studied for cardiac cell gene-expression and cardiovascular-aging research.
Read guideTesamorelin + Ipamorelin Research Guide: Combined GHRH + GHRP Vial
This combination vial pairs Tesamorelin (long-acting GHRH analog) with Ipamorelin (selective GHRP) for synergistic GH-axis research.
Read guideGLP-3 RT + Cagrilintide Research Guide: Triple Agonist + Amylin
This combination vial pairs GLP-3 RT (triple agonist) with Cagrilintide (amylin analog) — a leading-edge metabolic-research combination.
Read guideDSIP Research Guide: Delta Sleep-Inducing Peptide Mechanism
DSIP is a nine-amino-acid neuropeptide first isolated from rabbit brain in association with electroencephalographic delta-wave activity.
Read guideSLU-PP-332 Research Guide: ERR Pan-Agonist Exercise Mimetic
SLU-PP-332 is a first-in-class ERR pan-agonist small molecule that reproduces key transcriptional signatures of endurance exercise in animal models.
Read guideProstamax Research Guide: Khavinson Tetrapeptide Bioregulator
Prostamax is a Khavinson-class tetrapeptide bioregulator (Lys-Glu-Asp-Pro) studied for tissue-specific gene expression effects in prostate research.
Read guideLipo-C 396 Research Guide: Lipotropic Amino Acid + B-Vitamin Blend
Lipo-C 396 is a multi-component injectable blend combining lipotropic amino acids, choline, and B-vitamins for fat-metabolism research.
Read guideIGF-1 LR3 Research Guide: Long-Arg3 Extended Half-Life Analog
IGF-1 LR3 is a modified 83-amino-acid IGF-1 analog designed to minimize IGFBP binding and extend biological half-life to ~20–30 hours.
Read guideSuper Human Blend Research Guide: 9-Amino-Acid Recovery Formulation
Super Human Blend is a pre-mixed 9-amino-acid injectable blend at 865 mg/mL — engineered for nitric oxide, recovery, and glutathione precursor research.
Read guideLemon Bottle Research Guide: Riboflavin/Lecithin/Bromelain/NMN Blend
Lemon Bottle is a high-concentration lipolytic research solution combining Riboflavin (B2), Lecithin, Bromelain, and NMN.
Read guideARA-290 (Cibinetide) Research Guide: Innate Repair Receptor Peptide
ARA-290 is an 11-residue peptide derived from erythropoietin's B-helix that engages the innate repair receptor (IRR) — an EPO-receptor / βcR heterodimer — without erythropoietic activity.
Read guideThymalin Research Guide: Khavinson Thymic Peptide Bioregulator
Thymalin is a Khavinson-class thymic peptide extract studied for T-cell maturation and age-related immune-senescence research.
Read guideSNAP-8 Research Guide: Acetyl Octapeptide-3 Topical Peptide
SNAP-8 is an eight-amino-acid SNAP-25 mimetic developed as a topical peptide for research on neurotransmitter-release inhibition at the neuromuscular junction.
Read guideVIP Research Guide: Vasoactive Intestinal Peptide Neuromodulator
VIP is a 28-amino-acid neuropeptide with broad research relevance across immune modulation, vasodilation, and neuroinflammation.
Read guideAdipotide Research Guide: FTPP Vascular-Targeted Adipose Peptide
Adipotide is a chimeric peptidomimetic engineered to selectively induce apoptosis in the vasculature supporting white adipose tissue.
Read guideSide-by-side comparisons
Head-to-head breakdowns of the most-compared research peptides.
BPC-157 vs TB-500
BPC-157 and TB-500 are the two most-studied research peptides in preclinical soft-tissue repair. Here is the full side-by-side.
CompareGLP-1 S vs GLP-2 T
GLP-1 S is a single GLP-1 agonist; GLP-2 T is a dual GLP-1/GIP agonist. The mechanism difference is small on paper and large in the clinical data.
CompareCJC-1295 vs Tesamorelin
CJC-1295 and Tesamorelin are both GHRH receptor agonists — but the half-life, clinical data, and pharmacokinetic profiles diverge sharply.
CompareGLP-3 RT vs GLP-2 T
GLP-3 RT adds glucagon receptor agonism to the GLP-1/GIP profile of GLP-2 T. The Phase-2 data shows what that third receptor actually changes.
CompareGLP-3 RT vs GLP-1 S
GLP-1 S hits one incretin receptor. GLP-3 RT hits three. The mechanism gap is the largest of any two peptides in this category.
Compare