Research Area
Evidence
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Metabolic & GLP-1 Research

5 Compounds

Incretin and amylin-pathway compounds studied for glucose homeostasis, appetite regulation, weight, and cardiometabolic outcomes.

Semaglutide

Human Clinical
GLP-1 Receptor Agonist
ClassGLP-1 agonist
EvidenceHuman · Ph 3
Length31 aa
ReviewedJun 2026

Long-acting GLP-1 receptor agonist studied for glycemic control, weight reduction, and cardiovascular and renal outcomes.

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Tirzepatide

Human Clinical
Dual GIP / GLP-1 Agonist
ClassGIP / GLP-1
EvidenceHuman · Ph 3
Length39 aa
ReviewedJun 2026

Dual GIP and GLP-1 receptor co-agonist studied for multi-receptor activation, insulin secretion, and metabolic signaling.

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Retatrutide

Human Clinical
Triple GIP / GLP-1 / GCG Agonist
ClassTriple agonist
EvidenceHuman · Ph 2
Length39 aa
ReviewedJun 2026

Triple GIP, GLP-1, and glucagon receptor co-agonist studied for energy expenditure and lipid metabolism pathways.

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Cagrilintide

Human Clinical
Long-Acting Amylin Analogue
ClassAmylin analogue
EvidenceHuman · Ph 2
Length32 aa
ReviewedJun 2026

Long-acting amylin analogue studied for receptor binding, gastric motility, and glycemic signaling.

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Eloralintide

Human Clinical
Next-Gen Amylin Agonist
ClassAmylin agonist
EvidenceHuman · Early
LengthPeptide
ReviewedJun 2026

Next-generation amylin receptor agonist studied for central appetite signaling and metabolic homeostasis.

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Comparisons & Guides

2 Guides

Side-by-side research comparisons and overview guides that place related compounds in context — mechanism, published evidence, and how they differ.

Semaglutide vs Tirzepatide

Comparison
GLP-1 vs GIP / GLP-1 Dual Agonist
TypeComparison
Head-to-headSURPASS-2
Compounds2
ReviewedJul 2026

Single vs dual incretin mechanism, STEP vs SURMOUNT weight-loss data, the SURPASS-2 head-to-head trial, safety, and brand equivalents compared.

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Tirzepatide vs Retatrutide

Comparison
GIP / GLP-1 Dual vs GIP / GLP-1 / Glucagon Triple Agonist
TypeComparison
Head-to-headNone
Compounds2
ReviewedJul 2026

Dual vs triple agonist mechanism, the added glucagon receptor, SURMOUNT vs phase-2 weight-loss data, evidence maturity (approved vs investigational), and safety compared.

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Growth Hormone & Secretagogue Research

3 Compounds

GHRH analogues and ghrelin-mimetic secretagogues studied for pulsatile growth-hormone release and downstream IGF-1 signaling.

Ipamorelin

Preclinical
Selective GH Secretagogue
ClassGH secretagogue
EvidencePreclinical
Length5 aa
ReviewedJun 2026

Selective ghrelin-mimetic GH secretagogue studied for pulsatile GH release and neuroendocrine signaling.

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CJC-1295 No DAC

Preclinical
Modified GRF (1–29)
ClassGHRH analogue
EvidencePreclinical
Length29 aa
ReviewedJun 2026

Short-acting modified GRF(1–29) GHRH analogue studied for pulsatile GH release and IGF-1 signaling.

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Tesamorelin

Human Clinical
Stabilized GHRH Analogue
ClassGHRH analogue
EvidenceHuman · Approved
Length44 aa
ReviewedJun 2026

Stabilized GHRH analogue studied for pulsatile GH secretion, visceral adipose signaling, and lipid metabolism.

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Tissue Repair & Regeneration Research

3 Compounds

Peptides studied for angiogenesis, extracellular-matrix remodeling, and cytoprotective repair signaling in preclinical models.

BPC-157

Preclinical
Body Protection Compound
ClassRepair peptide
EvidencePreclinical (animal)
Length15 aa
ReviewedJun 2026

Gastric pentadecapeptide studied for angiogenic signaling, extracellular matrix remodeling, and cytoprotection.

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TB-500

Preclinical
Thymosin Beta-4 Fragment
ClassRepair peptide
EvidencePreclinical (animal)
Length43 aa (Tβ4)
ReviewedJun 2026

Thymosin Beta-4 fragment studied for actin regulation, matrix signaling, and cytoprotective repair pathways.

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Wolverine

Preclinical
BPC-157 + TB-500 Blend
ClassResearch blend
EvidencePreclinical
LengthBlend
ReviewedJun 2026

Research blend of BPC-157 and TB-500 studied for angiogenic and musculoskeletal tissue signaling.

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Mitochondrial & Cellular Energy Research

3 Compounds

Mitochondria-targeted peptides and coenzymes studied for oxidative phosphorylation, metabolic regulation, and cellular energy pathways.

MOTS-c

Preclinical
Mitochondria-Derived Peptide
ClassMitochondrial peptide
EvidencePreclinical
Length16 aa
ReviewedJun 2026

Mitochondria-derived peptide studied for metabolic regulation, insulin signaling, and cellular stress response.

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SS-31

Human Clinical
Szeto-Schiller Tetrapeptide
ClassMitochondrial peptide
EvidenceHuman · Ph 2
Length4 aa
ReviewedJun 2026

Mitochondria-targeted tetrapeptide studied for oxidative phosphorylation, membrane potential, and cardioprotection.

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NAD+

Human (Limited)
Nicotinamide Adenine Dinucleotide
ClassDinucleotide coenzyme
EvidenceHuman (limited)
LengthCoenzyme
ReviewedJun 2026

Essential cellular coenzyme studied for ATP synthesis, DNA repair, sirtuin activation, and longevity pathways.

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Neurological & Cognitive Peptide Research

2 Compounds

Neuroactive peptides studied for neuroprotection, BDNF signaling, and cognitive and anxiolytic pathways. See also the neuroactive bioregulators Pinealon and Cortagen.

Semax

Human (Limited)
ACTH-Derived Neuropeptide
ClassNeuropeptide
EvidenceHuman (Russia)
Length7 aa
ReviewedJun 2026

ACTH(4–10)-derived heptapeptide studied for neuroprotection, BDNF signaling, and cognitive pathways.

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Selank

Human (Limited)
Tuftsin Analogue
ClassNeuropeptide
EvidenceHuman (Russia)
Length7 aa
ReviewedJun 2026

Tuftsin analogue studied for GABAergic signaling, anxiolytic pathways, and immune modulation.

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Skin, Copper & Cosmetic Biology

3 Compounds

Copper peptides and cosmetic research blends studied for collagen synthesis, extracellular-matrix signaling, and skin-barrier biology.

GHK-Cu

Preclinical
Copper Tripeptide Complex
GHKCu
ClassCopper peptide
EvidencePreclinical / in vitro
Length3 aa + Cu
ReviewedJun 2026

Copper-binding tripeptide studied for extracellular matrix signaling, collagen synthesis, and anti-inflammatory response.

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Glow

Preclinical
Collagen Pathway Blend
ClassResearch blend
EvidencePreclinical
LengthBlend
ReviewedJun 2026

Research blend of BPC-157, TB-500, and GHK-Cu studied for matrix signaling and collagen pathways.

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Klow

Preclinical
Tissue Matrix Blend
ClassResearch blend
EvidencePreclinical
LengthBlend
ReviewedJun 2026

Research blend of BPC-157, TB-500, GHK-Cu, and KPV studied for tissue-matrix and anti-inflammatory signaling.

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Melanocortin Research

2 Compounds

Alpha-MSH analogues studied for melanocortin-receptor activation, pigmentation signaling, and photoprotective pathways.

MT-1

Preclinical
Melanotan I
Classα-MSH analogue
EvidencePreclinical
Length13 aa
ReviewedJun 2026

Linear alpha-MSH analogue studied for melanocortin-1 receptor activation and photoprotective pigmentation signaling.

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MT-2

Preclinical
Melanotan II
Classα-MSH analogue
EvidencePreclinical
Length7 aa (cyclic)
ReviewedJun 2026

Cyclic alpha-MSH analogue studied for melanocortin receptor activation, pigmentation, and energy homeostasis.

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Immune & Anti-Inflammatory Peptide Research

3 Compounds

Thymic and anti-inflammatory peptides studied for T-cell maturation, immune modulation, and mucosal/cytokine signaling. See also the immune bioregulators Vilon, Livagen, and Crystagen.

TA-1

Human Clinical
Thymosin Alpha-1
ClassThymic peptide
EvidenceHuman clinical
Length28 aa
ReviewedJul 2026

Thymic peptide studied for T-cell maturation, dendritic-cell activation, and antiviral immune signaling.

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Thymogen

Human (Limited)
Thymic Immunomodulator
EW
ClassImmunomodulator
EvidenceHuman (Russia)
Length2 aa
ReviewedJul 2026

Glu-Trp dipeptide immunomodulator studied for T-lymphocyte maturation and cAMP/cGMP immune signaling.

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KPV

Preclinical
Anti-Inflammatory Tripeptide
KPV
Classα-MSH fragment
EvidencePreclinical
Length3 aa
ReviewedJun 2026

Alpha-MSH-derived tripeptide studied for gut-barrier integrity and inflammatory cytokine pathways.

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Peptide Bioregulators

15 Compounds

Short Khavinson peptides studied for tissue-specific gene-regulatory activity. Neuroactive (Pinealon, Cortagen) and immune (Vilon, Livagen, Crystagen) bioregulators also appear under those research areas.

Epitalon

Human (Limited)
Pineal Tetrapeptide
AEDG
ClassBioregulator
EvidenceHuman (limited)
Length4 aa
ReviewedJul 2026

Pineal tetrapeptide (AEDG) studied for telomerase activation, telomere regulation, and longevity signaling.

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Pinealon

Preclinical
Neuroactive Tripeptide
EDR
ClassBioregulator
EvidencePreclinical
Length3 aa
ReviewedJul 2026

Pineal tripeptide (EDR) studied for neuroprotection, circadian signaling, and antioxidant defense.

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Cardiogen

Preclinical
Cardiac Tetrapeptide
AEDR
ClassBioregulator
EvidencePreclinical
Length4 aa
ReviewedJul 2026

Cardiac tetrapeptide (AEDR) studied for cardiomyocyte regulation and myocardial tissue signaling.

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Bronchogen

Preclinical
Bronchial Tetrapeptide
AEDL
ClassBioregulator
EvidencePreclinical
Length4 aa
ReviewedJul 2026

Bronchial tetrapeptide (AEDL) studied for respiratory epithelial function and pulmonary mucosal signaling.

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Cortagen

Preclinical
Cortical Tetrapeptide
AEDP
ClassBioregulator
EvidencePreclinical
Length4 aa
ReviewedJul 2026

Cortical tetrapeptide (AEDP) studied for neuronal function, chromatin activity, and neuroprotection.

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Livagen

Preclinical
Hepatic-Immune Tetrapeptide
KEDA
ClassBioregulator
EvidencePreclinical
Length4 aa
ReviewedJul 2026

Hepatic-immune tetrapeptide (KEDA) studied for chromatin decondensation, liver function, and immune signaling.

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Cartalax

Preclinical
Cartilage Tripeptide
AED
ClassBioregulator
EvidencePreclinical
Length3 aa
ReviewedJul 2026

Cartilage tripeptide (AED) studied for chondrocyte activity and extracellular matrix synthesis.

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Vesugen

Preclinical
Vascular Tripeptide
KED
ClassBioregulator
EvidencePreclinical
Length3 aa
ReviewedJul 2026

Vascular tripeptide (KED) studied for endothelial function and microcirculation signaling.

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Vilon

Preclinical
Immune Dipeptide
KE
ClassBioregulator
EvidencePreclinical
Length2 aa
ReviewedJul 2026

Lys-Glu dipeptide (KE) studied for T-cell restoration, immune senescence, and longevity signaling.

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Testagen

Preclinical
Gonadal Tripeptide
KED
ClassBioregulator
EvidencePreclinical
Length3 aa
ReviewedJul 2026

Gonadal tripeptide studied for testicular cell function and testosterone biosynthesis signaling.

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Crystagen

Preclinical
Retinal-Immune Tripeptide
EDP
ClassBioregulator
EvidencePreclinical
Length3 aa
ReviewedJul 2026

Retinal-immune tripeptide (EDP) studied for visual-system cell function and ocular tissue signaling.

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Pancreagen

Preclinical
Pancreatic Tetrapeptide
KEDW
ClassBioregulator
EvidencePreclinical
Length4 aa
ReviewedJul 2026

Pancreatic tetrapeptide (KEDW) studied for exocrine/endocrine cell function and insulin signaling.

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Chonluten

Preclinical
Bronchial-Intestinal Tripeptide
EDG
ClassBioregulator
EvidencePreclinical
Length3 aa
ReviewedJul 2026

Bronchial-intestinal tripeptide (EDG) studied for epithelial regulation and barrier-integrity signaling.

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Ovagen

Preclinical
Hepatic Tripeptide
EDL
ClassBioregulator
EvidencePreclinical
Length3 aa
ReviewedJul 2026

Hepatic tripeptide (EDL) studied for hepatocyte function, regeneration, and chromatin signaling.

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Prostamax

Preclinical
Prostate Tetrapeptide
KEDP
ClassBioregulator
EvidencePreclinical
Length4 aa
ReviewedJul 2026

Prostate tetrapeptide (KEDP) studied for epithelial cell function and urogenital signaling.

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