Encyclopedia of Peptides

Explore our detailed database and find the ideal compound for your research project. All listed peptides are available in the catalog with a certificate of analysis; see how each lot is tested in quality and control and follow recent studies on the blog. Related guides: the BPC-157 research guide, the GHK-Cu guide, and top 10 peptides in tissue regeneration research.

Peptide

Structure

Research application

Pathways of action

Buy

5-AM-1MQ

Metabolic

Small molecule NNMT inhibitor

Investigated for effects on adipocyte metabolism, increased energy expenditure, and reduction of adiposity in preclinical models.

Inhibition of the NNMT (nicotinamide N-methyltransferase) enzyme, elevation of SAM, activation of AMPK, and epigenetic regulation of energy metabolism.

Adipotide

Metabolic

Prohibitin-targeting peptidomimetic (CKGGRAKDC)

Studied for targeted effects on adipose tissue vasculature, inducing apoptosis in adipose tissue vessel endothelial cells in animal models.

Binding to the prohibitin receptor on white adipose tissue vessel endothelial cells, induction of vascular apoptosis, and selective fat reduction.

AOD-9604

Metabolic

C-terminal fragment of HGH (residues 176–191) with disulfide bridge

Studied for potential impact on fat metabolism and body composition without the proliferative effects of full-length HGH.

Stimulation of adipocyte receptors, activation of lipolysis via β3-adrenoreceptors, and inhibition of lipogenesis; does not activate IGF-1 receptor.

Bioglutide

Metabolic

GLP-1 receptor agonist (semaglutide/exenatide analog)

Investigated for glycemic regulation, appetite suppression, and body weight control through GLP-1 receptor agonism.

GLP-1 receptor activation, glucose-dependent insulin secretion, glucagon suppression, delayed gastric emptying, and central satiety signaling.

BPC-157

Skin / Healing

Pentadecapeptide (15 aa) derived from bovine gastric juice protein

Studied for potential support in the repair processes of tendons, ligaments, intestines, and tissues in various animal models.

Angiogenic signaling via VEGFR, nitric oxide modulation, FAK-paxillin activation, promotion of fibroblast and endothelial cell migration.

Cagrilintide

Metabolic

Long-acting amylin analog (acylated)

Investigated for appetite regulation and body weight control, especially in combination with GLP-1 analogs (e.g., cagrisema).

Amylin receptor agonism (CALCR+RAMP), hypothalamic satiety modulation, reduced gastric emptying, glucagon suppression, and complementary signaling to the GLP-1 axis.

CJC No Dac + Ipamorelin

Growth Hormone

CJC-1295 without DAC: 30 aa GHRH analog / Ipamorelin: selective GHS-R1a agonist pentapeptide

Combination investigated for physiological pulsatile GH release, IGF-1 elevation, and potential improvement of body composition in research models.

CJC without DAC: GHRH receptor activation on pituitary somatotrophs. Ipamorelin: selective ghrelin GHS-R1a receptor agonism without significant cortisol/prolactin activation; synergistic action on the GH/IGF-1 axis.

CJC-1295 w/DAC

Growth Hormone

30 aa GHRH analog with Drug Affinity Complex (DAC) bound to albumin

Studied for prolonged and sustained GH release (half-life of days) and IGF-1 elevation in research models.

Covalent binding to serum albumin via DAC, prolonged GHRH receptor activation, sustained stimulation of pituitary somatotrophs, and GH/IGF-1 axis signaling.

GHK-Cu

Skin / Healing

Tripeptide Gly-His-Lys complexed with copper ion (Cu²⁺)

Studied for skin remodeling, wound repair, hair growth stimulation, and extracellular matrix integrity.

Stimulation of collagen and elastin synthesis, modulation of MMPs (matrix metalloproteinases), activation of TGF-β, cellular copper uptake, and local anti-inflammatory signaling.

GLOW

Skin / Healing

Peptide blend for rejuvenation

Investigated for combined effects of skin brightening, hydration stimulation, and anti-aging activity through the synergistic action of constituent peptides.

Tyrosinase inhibition and melanogenesis regulation, stimulation of dermal collagen synthesis, modulation of MMPs, and support for the skin barrier.

IGF1-LR3

Growth Hormone

Recombinant IGF-1 variant with Arg³ → Lys substitution and 13 aa N-terminal extension (Long R3)

Studied for enhanced anabolic signaling, lower IGFBP affinity, and extended serum half-life compared to native IGF-1.

Activation of IGF-1 receptor (IGF1R/tyrosine kinase), downstream PI3K/Akt/mTOR and MAPK/ERK, muscle protein synthesis, cell proliferation, and survival.

KLOW

Skin / Healing

Peptide blend for rejuvenation

Investigated for synergistic effects of skin tone evening, deep hydration, and anti-aging support.

Tyrosinase inhibition, MITF/melanogenesis pathway modulation, stimulation of dermal matrix component synthesis, and epidermal barrier maintenance.

KPV

Anti-inflammatory

C-terminal tripeptide Lys-Pro-Val (α-MSH fragment)

Investigated for local anti-inflammatory effects, intestinal barrier support, and protective activity in skin and colitis models.

Partial agonism of melanocortin receptors (MC1R/MC3R), NF-κB pathway inhibition, reduction of pro-inflammatory cytokines (TNF-α, IL-6), and strengthening of the epithelial barrier.

NAD+

Longevity

Nicotinamide adenine dinucleotide coenzyme (oxidized form)

Studied for cellular energy metabolism, DNA repair, mitochondrial function, and longevity and anti-aging research.

Activation of sirtuins (SIRT1-7), PARP-1 substrate for DNA repair, mitochondrial complex I/III co-factor, and NAD⁺/NADH redox cycle regulation.

MOTS-C

Longevity

16-aa peptide encoded by the mitochondrial 12S rRNA gene

Investigated for metabolic regulation, insulin homeostasis, exercise-mimetic effects, and longevity research.

AMPK activation, FOXO1 pathway/insulin resistance modulation, mitochondrial biogenesis, methionine metabolism regulation, and nuclear translocation with epigenetic effects.

PEG-MGF

Growth Hormone

Pegylated variant of mechanical growth factor (MGF), an IGF-1 splicing isoform with PEG for extended half-life

Investigated for muscle regeneration, tissue repair after mechanical injury, and effects on muscle satellite cells; pegylation increases serum stability.

Activation of specific MGF receptor (distinct from IGF1R), stimulation of muscle satellite cells, myoblast proliferation, downstream Akt/mTOR, and IGF1R after E-domain cleavage.

Retatrutide

Metabolic

Triple GIP/GLP-1/Glucagon agonist (~39 aa acylated peptide)

Investigated for triple activation of metabolic receptors for combined effects of weight loss, glycemic control, and reduction of hepatic fat.

Simultaneous agonism of GIPR, GLP-1R, and GcgR; modulation of satiety, insulin secretion, hepatic fatty acid oxidation, increased energy expenditure, and reduction of visceral adiposity.

SLU-PP-332

Metabolic

Synthetic pan-ERR (Estrogen Related Receptor α/β/γ) agonist compound

Studied as an exercise mimetic for inducing metabolic and endurance adaptations without physical exercise in preclinical models.

Activation of ERR-α, β, and γ, mitochondrial biogenesis via PGC-1α, increased fatty acid oxidation, expression of type I muscle fiber genes, and improved aerobic capacity.

SLU-PP-915

Metabolic

Selective ERR-α agonist compound (structure distinct from SLU-PP-332, optimized for selectivity)

Studied for metabolic effects focused on ERR-α activation, with potential for research in obesity and metabolic dysfunction.

Selective activation of ERR-α, regulation of mitochondrial metabolism, expression of oxidative genes in adipose and muscle tissue, distinct from the pan-ERR profile of SLU-PP-332.

SS-31

Longevity

Mitochondrial-targeted tetrapeptide (D-Arg-Dmt-Lys-Phe-NH₂), also called Elamipretide

Investigated for mitochondrial protection, reduction of oxidative stress, preservation of cardiac function, and research on aging and mitochondrial diseases.

Selective concentration in the inner mitochondrial membrane via cardiolipin, reduction of mitochondrial ROS, cardiolipin stabilization, preservation of electron transport chain function, and protection against mitochondrial apoptosis.

TB-500

Skin / Healing

Synthetic fragment of Thymosin Beta-4 (residues 17–23: Ac-LKKTETQ)

Investigated for tissue regeneration, wound healing, and anti-inflammatory effects in research models.

G-actin sequestration, promotion of cell migration (keratinocytes, fibroblasts), stimulation of angiogenesis via VEGF upregulation, and anti-inflammatory signaling.

Tesamorelin (Tesa)

Growth Hormone

Synthetic 44-aa GHRH analog (trans-3-hexenoic acid conjugate)

Investigated for reduction of visceral adipose tissue (especially lipodystrophy), metabolic effects on lipids, and elevation of IGF-1.

Activation of GHRH receptor on pituitary somatotrophs, pulsatile GH secretion, GH/IGF-1 axis, visceral lipolysis, and modulation of lipid metabolism.

Thymosin Beta 4 (full-length TB-4)

Skin / Healing

43-aa polypeptide (full-length form of thymosin beta-4, distinct from the TB-500 fragment)

Investigated for tissue regeneration, immunomodulation, wound healing, and cardioprotective effects in research models.

Monomeric G-actin sequestration, regulation of cytoskeleton polymerization, cell migration and differentiation, angiogenesis, anti-inflammatory signaling, and potential cardioprotection via Akt.

Peptide

Structure

Research application

Pathways of action

Buy

5-AM-1MQ

Metabolic

Small molecule NNMT inhibitor

Investigated for effects on adipocyte metabolism, increased energy expenditure, and reduction of adiposity in preclinical models.

Inhibition of the NNMT (nicotinamide N-methyltransferase) enzyme, elevation of SAM, activation of AMPK, and epigenetic regulation of energy metabolism.

Adipotide

Metabolic

Prohibitin-targeting peptidomimetic (CKGGRAKDC)

Studied for targeted effects on adipose tissue vasculature, inducing apoptosis in adipose tissue vessel endothelial cells in animal models.

Binding to the prohibitin receptor on white adipose tissue vessel endothelial cells, induction of vascular apoptosis, and selective fat reduction.

AOD-9604

Metabolic

C-terminal fragment of HGH (residues 176–191) with disulfide bridge

Studied for potential impact on fat metabolism and body composition without the proliferative effects of full-length HGH.

Stimulation of adipocyte receptors, activation of lipolysis via β3-adrenoreceptors, and inhibition of lipogenesis; does not activate IGF-1 receptor.

Bioglutide

Metabolic

GLP-1 receptor agonist (semaglutide/exenatide analog)

Investigated for glycemic regulation, appetite suppression, and body weight control through GLP-1 receptor agonism.

GLP-1 receptor activation, glucose-dependent insulin secretion, glucagon suppression, delayed gastric emptying, and central satiety signaling.

Cagrilintide

Metabolic

Long-acting amylin analog (acylated)

Investigated for appetite regulation and body weight control, especially in combination with GLP-1 analogs (e.g., cagrisema).

Amylin receptor agonism (CALCR+RAMP), hypothalamic satiety modulation, reduced gastric emptying, glucagon suppression, and complementary signaling to the GLP-1 axis.

Retatrutide

Metabolic

Triple GIP/GLP-1/Glucagon agonist (~39 aa acylated peptide)

Investigated for triple activation of metabolic receptors for combined effects of weight loss, glycemic control, and reduction of hepatic fat.

Simultaneous agonism of GIPR, GLP-1R, and GcgR; modulation of satiety, insulin secretion, hepatic fatty acid oxidation, increased energy expenditure, and reduction of visceral adiposity.

SLU-PP-915

Metabolic

Selective ERR-α agonist compound (structure distinct from SLU-PP-332, optimized for selectivity)

Studied for metabolic effects focused on ERR-α activation, with potential for research in obesity and metabolic dysfunction.

Selective activation of ERR-α, regulation of mitochondrial metabolism, expression of oxidative genes in adipose and muscle tissue, distinct from the pan-ERR profile of SLU-PP-332.

Peptide

Structure

Research application

Pathways of action

Buy

CJC No Dac + Ipamorelin

Growth Hormone

CJC-1295 without DAC: 30 aa GHRH analog / Ipamorelin: selective GHS-R1a agonist pentapeptide

Combination investigated for physiological pulsatile GH release, IGF-1 elevation, and potential improvement of body composition in research models.

CJC without DAC: GHRH receptor activation on pituitary somatotrophs. Ipamorelin: selective ghrelin GHS-R1a receptor agonism without significant cortisol/prolactin activation; synergistic action on the GH/IGF-1 axis.

CJC-1295 w/DAC

Growth Hormone

30 aa GHRH analog with Drug Affinity Complex (DAC) bound to albumin

Studied for prolonged and sustained GH release (half-life of days) and IGF-1 elevation in research models.

Covalent binding to serum albumin via DAC, prolonged GHRH receptor activation, sustained stimulation of pituitary somatotrophs, and GH/IGF-1 axis signaling.

IGF1-LR3

Growth Hormone

Recombinant IGF-1 variant with Arg³ → Lys substitution and 13 aa N-terminal extension (Long R3)

Studied for enhanced anabolic signaling, lower IGFBP affinity, and extended serum half-life compared to native IGF-1.

Activation of IGF-1 receptor (IGF1R/tyrosine kinase), downstream PI3K/Akt/mTOR and MAPK/ERK, muscle protein synthesis, cell proliferation, and survival.

PEG-MGF

Growth Hormone

Pegylated variant of mechanical growth factor (MGF), an IGF-1 splicing isoform with PEG for extended half-life

Investigated for muscle regeneration, tissue repair after mechanical injury, and effects on muscle satellite cells; pegylation increases serum stability.

Activation of specific MGF receptor (distinct from IGF1R), stimulation of muscle satellite cells, myoblast proliferation, downstream Akt/mTOR, and IGF1R after E-domain cleavage.

Tesamorelin (Tesa)

Growth Hormone

Synthetic 44-aa GHRH analog (trans-3-hexenoic acid conjugate)

Investigated for reduction of visceral adipose tissue (especially lipodystrophy), metabolic effects on lipids, and elevation of IGF-1.

Activation of GHRH receptor on pituitary somatotrophs, pulsatile GH secretion, GH/IGF-1 axis, visceral lipolysis, and modulation of lipid metabolism.

Peptide

Structure

Research application

Pathways of action

Buy

BPC-157

Skin / Healing

Pentadecapeptide (15 aa) derived from bovine gastric juice protein

Studied for potential support in the repair processes of tendons, ligaments, intestines, and tissues in various animal models.

Angiogenic signaling via VEGFR, nitric oxide modulation, FAK-paxillin activation, promotion of fibroblast and endothelial cell migration.

GHK-Cu

Skin / Healing

Tripeptide Gly-His-Lys complexed with copper ion (Cu²⁺)

Studied for skin remodeling, wound repair, hair growth stimulation, and extracellular matrix integrity.

Stimulation of collagen and elastin synthesis, modulation of MMPs (matrix metalloproteinases), activation of TGF-β, cellular copper uptake, and local anti-inflammatory signaling.

GLOW

Skin / Healing

Peptide blend for rejuvenation

Investigated for combined effects of skin brightening, hydration stimulation, and anti-aging activity through the synergistic action of constituent peptides.

Tyrosinase inhibition and melanogenesis regulation, stimulation of dermal collagen synthesis, modulation of MMPs, and support for the skin barrier.

KLOW

Skin / Healing

Peptide blend for rejuvenation

Investigated for synergistic effects of skin tone evening, deep hydration, and anti-aging support.

Tyrosinase inhibition, MITF/melanogenesis pathway modulation, stimulation of dermal matrix component synthesis, and epidermal barrier maintenance.

TB-500

Skin / Healing

Synthetic fragment of Thymosin Beta-4 (residues 17–23: Ac-LKKTETQ)

Investigated for tissue regeneration, wound healing, and anti-inflammatory effects in research models.

G-actin sequestration, promotion of cell migration (keratinocytes, fibroblasts), stimulation of angiogenesis via VEGF upregulation, and anti-inflammatory signaling.

Thymosin Beta 4 (full-length TB-4)

Skin / Healing

43-aa polypeptide (full-length form of thymosin beta-4, distinct from the TB-500 fragment)

Investigated for tissue regeneration, immunomodulation, wound healing, and cardioprotective effects in research models.

Monomeric G-actin sequestration, regulation of cytoskeleton polymerization, cell migration and differentiation, angiogenesis, anti-inflammatory signaling, and potential cardioprotection via Akt.

Peptide

Structure

Research application

Pathways of action

Buy

NAD+

Longevity

Nicotinamide adenine dinucleotide coenzyme (oxidized form)

Studied for cellular energy metabolism, DNA repair, mitochondrial function, and longevity and anti-aging research.

Activation of sirtuins (SIRT1-7), PARP-1 substrate for DNA repair, mitochondrial complex I/III co-factor, and NAD⁺/NADH redox cycle regulation.

MOTS-C

Longevity

16-aa peptide encoded by the mitochondrial 12S rRNA gene

Investigated for metabolic regulation, insulin homeostasis, exercise-mimetic effects, and longevity research.

AMPK activation, FOXO1 pathway/insulin resistance modulation, mitochondrial biogenesis, methionine metabolism regulation, and nuclear translocation with epigenetic effects.

SS-31

Longevity

Mitochondrial-targeted tetrapeptide (D-Arg-Dmt-Lys-Phe-NH₂), also called Elamipretide

Investigated for mitochondrial protection, reduction of oxidative stress, preservation of cardiac function, and research on aging and mitochondrial diseases.

Selective concentration in the inner mitochondrial membrane via cardiolipin, reduction of mitochondrial ROS, cardiolipin stabilization, preservation of electron transport chain function, and protection against mitochondrial apoptosis.

Peptide

Structure

Research application

Pathways of action

Buy

KPV

Anti-inflammatory

C-terminal tripeptide Lys-Pro-Val (α-MSH fragment)

Investigated for local anti-inflammatory effects, intestinal barrier support, and protective activity in skin and colitis models.

Partial agonism of melanocortin receptors (MC1R/MC3R), NF-κB pathway inhibition, reduction of pro-inflammatory cytokines (TNF-α, IL-6), and strengthening of the epithelial barrier.

Support

Shipping

Encyclopedia of Peptides

Peptide

Category

Structure

Research application

Pathways of action

Buy

5-AM-1MQ

Metabolic

Small molecule NNMT inhibitor

Investigated for effects on adipocyte metabolism, increased energy expenditure, and reduction of adiposity in preclinical models.

Inhibition of the NNMT (nicotinamide N-methyltransferase) enzyme, elevation of SAM, activation of AMPK, and epigenetic regulation of energy metabolism.

Adipotide

Metabolic

Prohibitin-targeting peptidomimetic (CKGGRAKDC)

Studied for targeted effects on adipose tissue vasculature, inducing apoptosis in adipose tissue vessel endothelial cells in animal models.

Binding to the prohibitin receptor on white adipose tissue vessel endothelial cells, induction of vascular apoptosis, and selective fat reduction.

AOD-9604

Metabolic

C-terminal fragment of HGH (residues 176–191) with disulfide bridge

Studied for potential impact on fat metabolism and body composition without the proliferative effects of full-length HGH.

Stimulation of adipocyte receptors, activation of lipolysis via β3-adrenoreceptors, and inhibition of lipogenesis; does not activate IGF-1 receptor.

Bioglutide

Metabolic

GLP-1 receptor agonist (semaglutide/exenatide analog)

Investigated for glycemic regulation, appetite suppression, and body weight control through GLP-1 receptor agonism.

GLP-1 receptor activation, glucose-dependent insulin secretion, glucagon suppression, delayed gastric emptying, and central satiety signaling.

BPC-157

Skin / Healing

Pentadecapeptide (15 aa) derived from bovine gastric juice protein

Studied for potential support in the repair processes of tendons, ligaments, intestines, and tissues in various animal models.

Angiogenic signaling via VEGFR, nitric oxide modulation, FAK-paxillin activation, promotion of fibroblast and endothelial cell migration.

Cagrilintide

Metabolic

Long-acting amylin analog (acylated)

Investigated for appetite regulation and body weight control, especially in combination with GLP-1 analogs (e.g., cagrisema).

Amylin receptor agonism (CALCR+RAMP), hypothalamic satiety modulation, reduced gastric emptying, glucagon suppression, and complementary signaling to the GLP-1 axis.

CJC No Dac + Ipamorelin

Growth Hormone

CJC-1295 without DAC: 30 aa GHRH analog / Ipamorelin: selective GHS-R1a agonist pentapeptide

Combination investigated for physiological pulsatile GH release, IGF-1 elevation, and potential improvement of body composition in research models.

CJC without DAC: GHRH receptor activation on pituitary somatotrophs. Ipamorelin: selective ghrelin GHS-R1a receptor agonism without significant cortisol/prolactin activation; synergistic action on the GH/IGF-1 axis.

CJC-1295 w/DAC

Growth Hormone

30 aa GHRH analog with Drug Affinity Complex (DAC) bound to albumin

Studied for prolonged and sustained GH release (half-life of days) and IGF-1 elevation in research models.

Covalent binding to serum albumin via DAC, prolonged GHRH receptor activation, sustained stimulation of pituitary somatotrophs, and GH/IGF-1 axis signaling.

GHK-Cu

Skin / Healing

Tripeptide Gly-His-Lys complexed with copper ion (Cu²⁺)

Studied for skin remodeling, wound repair, hair growth stimulation, and extracellular matrix integrity.

Stimulation of collagen and elastin synthesis, modulation of MMPs (matrix metalloproteinases), activation of TGF-β, cellular copper uptake, and local anti-inflammatory signaling.

GLOW

Skin / Healing

Peptide blend for rejuvenation

Investigated for combined effects of skin brightening, hydration stimulation, and anti-aging activity through the synergistic action of constituent peptides.

Tyrosinase inhibition and melanogenesis regulation, stimulation of dermal collagen synthesis, modulation of MMPs, and support for the skin barrier.

IGF1-LR3

Growth Hormone

Recombinant IGF-1 variant with Arg³ → Lys substitution and 13 aa N-terminal extension (Long R3)

Studied for enhanced anabolic signaling, lower IGFBP affinity, and extended serum half-life compared to native IGF-1.

Activation of IGF-1 receptor (IGF1R/tyrosine kinase), downstream PI3K/Akt/mTOR and MAPK/ERK, muscle protein synthesis, cell proliferation, and survival.

KLOW

Skin / Healing

Peptide blend for rejuvenation

Investigated for synergistic effects of skin tone evening, deep hydration, and anti-aging support.

Tyrosinase inhibition, MITF/melanogenesis pathway modulation, stimulation of dermal matrix component synthesis, and epidermal barrier maintenance.

KPV

Anti-inflammatory

C-terminal tripeptide Lys-Pro-Val (α-MSH fragment)

Investigated for local anti-inflammatory effects, intestinal barrier support, and protective activity in skin and colitis models.

Partial agonism of melanocortin receptors (MC1R/MC3R), NF-κB pathway inhibition, reduction of pro-inflammatory cytokines (TNF-α, IL-6), and strengthening of the epithelial barrier.

NAD+

Longevity

Nicotinamide adenine dinucleotide coenzyme (oxidized form)

Studied for cellular energy metabolism, DNA repair, mitochondrial function, and longevity and anti-aging research.

Activation of sirtuins (SIRT1-7), PARP-1 substrate for DNA repair, mitochondrial complex I/III co-factor, and NAD⁺/NADH redox cycle regulation.

MOTS-C