All Research Peptides

Tissue & Cellular Research

BPC-157

BPC-157 (Body Protection Compound-157) is a synthetic pentadecapeptide consisting of 15 amino acids. It is derived from a protective protein found in the stomach. Extensively studied in preclinical research for its potential role in tissue repair, tendon and ligament healing, and gastrointestinal protection. PolyLabs BPC-157 is manufactured in the USA to 99%+ purity via lyophilization for maximum stability. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 1419.5 g/mol CAS Number: 137525-51-0 Storage: Store at -20°C for long-term stability. Stable at room temperature for up to 4 weeks. Sequence: Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val Research Areas: Tendon Repair, Gut Health, Wound Healing, Anti-inflammatory

2 variants available

Tissue & Cellular Research

TB-500

TB-500 is a synthetic version of the naturally occurring peptide Thymosin Beta-4. It plays a key role in the regulation of actin, a protein essential for cell structure and movement. Research has explored its potential in wound healing, muscle repair, and reducing inflammation. PolyLabs TB-500 is produced in the USA at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 4963.5 g/mol CAS Number: 77591-33-4 Storage: Store at -20°C for long-term stability. Research Areas: Muscle Recovery, Wound Healing, Actin Regulation, Angiogenesis

2 variants available

Hormonal Pathway Research

PT-141

PT-141 (Bremelanotide) is a synthetic peptide analog of alpha-MSH. It acts as a melanocortin receptor agonist and has been studied in preclinical models for its potential role in modulating sexual function and arousal pathways. PolyLabs PT-141 is produced at 99%+ purity in lyophilized form. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 1025.2 g/mol CAS Number: 189691-06-3 Storage: Store at -20°C for long-term stability. Research Areas: Melanocortin Receptors, Sexual Function Research, CNS Research

Hormonal Pathway Research

MT-2

Melanotan II (MT-2) is a synthetic analog of the naturally occurring alpha-melanocyte-stimulating hormone (α-MSH). It is a cyclic heptapeptide that binds to melanocortin receptors. Research has explored its role in skin pigmentation, appetite regulation, and metabolic pathways. PolyLabs MT-2 is manufactured in the USA at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 1024.2 g/mol CAS Number: 121062-08-6 Storage: Store at -20°C for long-term stability. Research Areas: Melanogenesis, Appetite Research, Metabolic Studies

2 variants available

Growth Hormone Axis Research

CJC-1295

CJC-1295 is a synthetic analog of growth hormone-releasing hormone (GHRH). It has been engineered with a Drug Affinity Complex (DAC) that extends its half-life significantly compared to native GHRH. Research has examined its potential to stimulate growth hormone and IGF-1 secretion in preclinical studies. PolyLabs CJC-1295 is produced at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 3647.3 g/mol CAS Number: 863288-34-0 Storage: Store at -20°C for long-term stability. Research Areas: GH Secretion, IGF-1 Research, Metabolic Research

2 variants available

Growth Hormone Axis Research

Sermorelin

Sermorelin is a synthetic peptide consisting of the first 29 amino acids of endogenous growth hormone-releasing hormone (GHRH). It acts on the pituitary gland to stimulate the production and release of growth hormone. Preclinical research has explored its potential in GH deficiency models and metabolic studies. PolyLabs Sermorelin is manufactured in the USA at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 3357.9 g/mol CAS Number: 86168-78-7 Storage: Store at -20°C for long-term stability. Research Areas: GH Release, Pituitary Research, Anti-aging Research

2 variants available

Growth Hormone Axis Research

Tesamorelin

Tesamorelin is a synthetic analog of GHRH with a trans-3-hexenoic acid group that stabilizes the peptide. It has been studied extensively in preclinical and clinical research for its effects on growth hormone secretion and visceral fat reduction. PolyLabs Tesamorelin is produced at 99%+ purity in lyophilized form. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 5135.8 g/mol CAS Number: 218949-48-5 Storage: Store at -20°C for long-term stability. Research Areas: GH Secretion, Visceral Adiposity, Metabolic Research

2 variants available

Growth Hormone Axis Research

IGF-1 LR3

IGF-1 LR3 (Long R3 Insulin-like Growth Factor-1) is a recombinant analog of IGF-1 with an arginine substitution and a 13 amino acid extension at the N-terminus. These modifications significantly extend its half-life and reduce its binding to IGF-binding proteins. Research has explored its anabolic and metabolic properties in preclinical models. PolyLabs IGF-1 LR3 is produced at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 9117.5 g/mol CAS Number: 946870-92-4 Storage: Store at -20°C for long-term stability. Research Areas: Muscle Research, Anabolic Pathways, Metabolic Studies

2 variants available

Metabolic Pathway Research

AOD-9604

AOD-9604 is a modified fragment of human growth hormone (hGH) spanning amino acids 176-191. It was originally developed as an anti-obesity compound and has been studied for its ability to stimulate lipolysis and inhibit lipogenesis without the diabetogenic effects of full hGH. PolyLabs AOD-9604 is manufactured in the USA at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 1817.1 g/mol CAS Number: 221231-10-3 Storage: Store at -20°C for long-term stability. Research Areas: Lipolysis Research, Metabolic Studies, Obesity Research

2 variants available

Metabolic Pathway Research

GLP-1

GLP-1 (Glucagon-like peptide-1) is an incretin hormone produced in the intestinal L-cells in response to food intake. It plays a critical role in glucose homeostasis by stimulating insulin secretion, inhibiting glucagon release, and slowing gastric emptying. Research has extensively studied GLP-1 analogs for metabolic and appetite regulation. PolyLabs GLP-1 is produced at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 3297.7 g/mol CAS Number: 89750-14-1 Storage: Store at -20°C for long-term stability. Research Areas: Glucose Metabolism, Appetite Research, Pancreatic Research

2 variants available

Metabolic Pathway Research

GLP-3

GLP-3 (Glucagon-like peptide-3 commonly know as Retatrutide) is a peptide derived from proglucagon processing in intestinal L-cells. It is studied for its potential role in intestinal function, nutrient absorption, and metabolic regulation. PolyLabs GLP-3 is manufactured in the USA at 99%+ purity in lyophilized form. Specifications: Purity: 99%+ Form: Lyophilized Powder Storage: Store at -20°C for long-term stability. Research Areas: Intestinal Research, Metabolic Studies, Nutrient Absorption

2 variants available

Longevity Mechanism Research

GHK-Cu

GHK-Cu (Glycyl-L-histidyl-L-lysine copper complex) is a naturally occurring copper peptide found in human plasma, urine, and saliva. It has been extensively studied for its role in wound healing, collagen synthesis, anti-inflammatory effects, and antioxidant activity. Research suggests it may modulate gene expression related to aging. PolyLabs GHK-Cu is produced at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 340.4 g/mol CAS Number: 89030-95-5 Storage: Store at -20°C for long-term stability. Research Areas: Collagen Synthesis, Wound Healing, Anti-aging Research

2 variants available

Longevity Mechanism Research

Epithalon

Epithalon (Epitalon) is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) based on the natural peptide Epithalamin found in the pineal gland. It has been studied for its ability to activate telomerase, potentially extending telomere length. Research has explored its role in aging, circadian rhythm regulation, and neuroendocrine function. PolyLabs Epithalon is produced at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 390.4 g/mol CAS Number: 307297-39-8 Storage: Store at -20°C for long-term stability. Research Areas: Telomerase Research, Longevity Studies, Pineal Research

2 variants available

Longevity Mechanism Research

NAD+

NAD+ (Nicotinamide adenine dinucleotide) is a coenzyme found in all living cells that plays a central role in energy metabolism, DNA repair, and cellular signaling. It is a substrate for sirtuins and PARP enzymes. Research has extensively studied NAD+ supplementation for its potential in aging, metabolic disease, and neuroprotection. PolyLabs NAD+ is produced at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 663.4 g/mol CAS Number: 53-84-9 Storage: Store at -20°C for long-term stability. Research Areas: Cellular Energy, DNA Repair, Sirtuin Research, Neuroprotection

2 variants available

Longevity Mechanism Research

MOTS-c

MOTS-c (Mitochondrial Open Reading Frame of the 12S rRNA-c) is a mitochondrial-derived peptide encoded within the 12S rRNA gene. It has been studied for its role in regulating metabolic homeostasis, improving insulin sensitivity, and promoting longevity in preclinical models. Research suggests it acts as a metabolic hormone that can translocate to the nucleus. PolyLabs MOTS-c is produced at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 2174.5 g/mol CAS Number: 1627580-64-6 Storage: Store at -20°C for long-term stability. Research Areas: Mitochondrial Research, Insulin Sensitivity, Longevity Studies

2 variants available

Longevity Mechanism Research

SS-31

SS-31 (D-Arg-2′6′-Dmt-Lys-Phe-NH2) is a cell-permeable, mitochondria-targeted antioxidant peptide. It selectively concentrates in the inner mitochondrial membrane and has been studied for its ability to scavenge reactive oxygen species, protect mitochondrial function, and reduce oxidative stress. Research has explored its potential in cardiac, renal, and neurodegenerative disease models. PolyLabs SS-31 is produced at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 639.8 g/mol CAS Number: 736992-21-5 Storage: Store at -20°C for long-term stability. Research Areas: Mitochondrial Protection, Cardioprotection, Oxidative Stress Research

2 variants available

Immunomodulatory Research

Thymosin Alpha-1

Thymosin Alpha-1 (Tα1) is a 28-amino acid peptide originally isolated from thymosin fraction 5 of the thymus gland. It has been studied extensively for its immunomodulatory properties, including enhancement of T-cell function, dendritic cell maturation, and cytokine regulation. Research has explored its potential in infectious disease, cancer immunotherapy, and autoimmune conditions. PolyLabs Thymosin Alpha-1 is produced at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 3108.4 g/mol CAS Number: 62304-98-7 Storage: Store at -20°C for long-term stability. Research Areas: Immune Modulation, T-Cell Research, Antiviral Research

2 variants available

Immunomodulatory Research

KPV

KPV (Lys-Pro-Val) is a C-terminal tripeptide of alpha-melanocyte-stimulating hormone (α-MSH). It has been studied for its anti-inflammatory properties, particularly in the context of inflammatory bowel disease and gut inflammation. Research suggests it can reduce pro-inflammatory cytokine production and protect intestinal epithelial cells. PolyLabs KPV is produced at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 340.4 g/mol CAS Number: 69679-18-1 Storage: Store at -20°C for long-term stability. Research Areas: Anti-inflammatory, Gut Research, Melanocortin Research

2 variants available

Neurological & Cognitive Research

SELANK

SELANK is a synthetic heptapeptide analog of the endogenous tetrapeptide tuftsin (Thr-Lys-Pro-Arg). It was developed at the Institute of Molecular Genetics of the Russian Academy of Sciences. Research has studied its potential anxiolytic, nootropic, and immunomodulatory properties in preclinical models. It may modulate GABA-A receptor activity and BDNF expression. PolyLabs SELANK is produced at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 751.9 g/mol CAS Number: 129954-34-3 Storage: Store at -20°C for long-term stability. Research Areas: Anxiolytic Research, Cognitive Research, BDNF Modulation

2 variants available

Neurological & Cognitive Research

SEMAX

SEMAX is a synthetic heptapeptide based on the ACTH(4-7) fragment with a Pro-Gly-Pro extension. It was developed at the Institute of Molecular Genetics of the Russian Academy of Sciences. Research has studied its neuroprotective, nootropic, and BDNF-stimulating properties in preclinical models. It may modulate dopaminergic and serotonergic systems. PolyLabs SEMAX is produced at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 813.9 g/mol Storage: Store at -20°C for long-term stability. Research Areas: Neuroprotection, Cognitive Research, BDNF Research

2 variants available

Neurological & Cognitive Research

DSIP

DSIP (Delta Sleep-Inducing Peptide) is a neuropeptide originally isolated from the cerebral venous blood of rabbits during delta sleep. It has been studied for its potential role in sleep regulation, stress response modulation, and neuroendocrine function. Research has explored its effects on cortisol, LH, and GH secretion in preclinical models. PolyLabs DSIP is produced at 99%+ purity. Specifications: Purity: 99%+ Form: Lyophilized Powder Molecular Weight: 848.9 g/mol CAS Number: 62568-57-4 Storage: Store at -20°C for long-term stability. Research Areas: Sleep Research, Stress Response, Neuroendocrine Research

2 variants available