For Research Use Only. All products sold by QuantisPeptides are strictly intended for in-vitro laboratory research. Not for human or veterinary use, consumption, or diagnostic purposes.

Peptide Research &
Science Library

Peer-reviewed research summaries, mechanism overviews, and laboratory guides for the most studied research peptide compounds. All content is framed for scientific research purposes only.

Growth Hormone Axis Research

GHRH analogs, GH secretagogues, and IGF-1 pathway compounds

Ipamorelin GH secretagogue research Ipamorelin
Growth Hormone Research  •  8 min read

Ipamorelin: A Selective GH Secretagogue — Research Overview

An in-depth look at the selective pentapeptide GHSR agonist Ipamorelin, its mechanism of GH pulse stimulation, and its applications in GH axis and GI motility research models.

Read Article
CJC-1295 GHRH analog research peptide CJC-1295
Growth Hormone Research  •  8 min read

CJC-1295 (Modified GRF 1-29): GHRH Analog Research Applications

Research overview of the modified GHRH analog CJC-1295, covering receptor binding mechanisms, GH/IGF-1 axis interactions, and its utility in pituitary and metabolic research models.

Read Article
Sermorelin GHRH peptide laboratory research Sermorelin
Growth Hormone Research  •  7 min read

Sermorelin: GHRH(1-29) Analog — Mechanisms & Research Models

A research summary of Sermorelin, the synthetic first-29-amino-acid analog of endogenous GHRH, examining its somatotroph-targeted mechanisms and pituitary GH secretion research models.

Read Article
IGF-LR3 insulin-like growth factor research IGF-LR3
Growth Factor Research  •  7 min read

IGF-LR3: Long-R3 IGF-I Analog — Cell Biology Research

A technical overview of the Long-R3 IGF-I analog, covering its reduced IGF-binding protein affinity, IGF-1 receptor activation mechanisms, and applications in cell proliferation and muscle biology research.

Read Article
AOD 9604 lipolysis metabolic research AOD 9604
Metabolic Research  •  7 min read

AOD 9604: hGH C-Terminal Fragment — Lipolysis Research

Overview of AOD 9604, the 16-amino-acid C-terminal fragment of human growth hormone, its selective lipolytic properties in metabolic cell models, and its divergence from the IGF-1 axis.

Read Article

Tissue & Repair Research Peptides

Compounds studied in wound biology, cell migration, and structural protein assays

BPC-157 research peptide laboratory BPC-157
Research Peptides  •  8 min read

BPC-157: Mechanisms, Research Applications & Purity Standards

An in-depth look at Body Protection Compound-157, its studied biological mechanisms in research models, and why verified purity is essential for reproducible results.

Read Article
TB-500 Thymosin Beta-4 cell biology research TB-500
Research Peptides  •  7 min read

TB-500 (Thymosin Beta-4): A Comprehensive Research Overview

Exploring the actin-sequestering peptide TB-500, its studied properties in cellular research models, and why batch verification matters for consistent outcomes.

Read Article
GHK-Cu copper peptide gene regulation research GHK-Cu
Copper Peptide Research  •  9 min read

GHK-Cu: Copper Peptide Mechanisms, Gene Regulation & Lab Applications

A comprehensive research summary of GHK-Cu, covering its 50-year scientific history, collagen gene regulation, antioxidant enzyme induction, and applications across multiple in-vitro research platforms.

Read Article
Thymosin Beta 4 actin research Thymosin Beta-4
Cell Biology Research  •  8 min read

Thymosin Beta-4: Actin Dynamics, Cell Migration & Research Applications

A mechanistic deep-dive into Thymosin Beta-4 (TB4), the 43-AA G-actin sequestering peptide, its LSKL motif biology, and its role as a research tool in cell motility and cytoskeletal studies.

Read Article

Aging & Longevity Research Peptides

Compounds examined in telomere biology, mitochondrial function, and aging cell models

Epithalon telomerase aging research Epithalon
Aging Biology  •  8 min read

Epithalon: Telomerase Activation Research & Aging Biology

A research overview of the tetrapeptide Epithalon (Epitalon), covering its studied effects on telomerase activity, telomere length regulation in cell models, and pineal gland biology research.

Read Article
NAD+ mitochondrial research biology NAD+
Metabolic & Aging Research  •  9 min read

NAD+: Coenzyme Biology, Sirtuin Research & Aging Models

A comprehensive overview of NAD+ as a research coenzyme — covering its role in 500+ enzymatic reactions, sirtuin activation, PARP biology, mitochondrial research, and its central position in aging biology research.

Read Article

Cognitive & Neuropeptide Research

ACTH analogs and nootropic peptides studied in neurological research models

Semax nootropic peptide brain research Semax
Neuropeptide Research  •  8 min read

Semax: ACTH Analog Research, BDNF Expression & Neuroprotection Models

An in-depth research overview of Semax (ACTH 4-7 PGP), covering its BDNF upregulation mechanisms, ACTH-receptor-independent activities, and applications in neurological cell research platforms.

Read Article
Selank anxiolytic peptide neuroscience research Selank
Neuropeptide Research  •  7 min read

Selank: Tuftsin Analog Research, GABA Modulation & Anxiety Models

A research summary of the tuftsin-derived heptapeptide Selank, its studied GABA-ergic modulation, enkephalin degradation inhibition, and applications in anxiety and stress biology research models.

Read Article

Immune Research Peptides

Thymic peptides and immune-modulating compounds studied in immunological models

Thymosin Alpha 1 immune research T-cell Thymosin Alpha 1
Immune Research  •  8 min read

Thymosin Alpha 1 (TA1): Immune Cell Research & T-Cell Biology

A research overview of the 28-amino-acid thymic peptide Thymosin Alpha 1, covering its studied roles in T-cell differentiation, NK cell research, dendritic cell models, and antiviral signaling biology.

Read Article

Metabolic Research

Incretin receptor agonists and metabolic pathway compounds studied in obesity, diabetes, and liver disease models

Retatrutide triple receptor agonist metabolic research Retatrutide
Metabolic Research  •  12 min read

Retatrutide: Triple GIP/GLP-1/Glucagon Agonist — Clinical Research Overview

A comprehensive summary of Phase 2 and Phase 3 clinical trial data for Retatrutide (LY3437943), the triple incretin receptor agonist showing up to 28.7% body weight reduction and 86% liver fat reduction across randomized controlled studies.

Read Article

Research Stack Guides

Mechanistic overviews of commonly co-studied peptide combinations and their complementary research rationales

CJC-1295 Ipamorelin GH axis dual pathway research Researcher's Guide
Researcher's Guide  •  9 min read

CJC-1295 + Ipamorelin: Dual-Pathway GH Axis Stimulation Research

Examining concurrent GHRH receptor and GHSR-1a agonism, additive GH pulse biology, somatostatin gate modulation, and research protocol considerations for this widely studied GH axis combination.

Read Article
BPC-157 TB-500 tissue repair research combination Researcher's Guide
Researcher's Guide  •  9 min read

BPC-157 + TB-500: Complementary Mechanisms in Tissue Repair Research

A mechanistic side-by-side of BPC-157's angiogenic/NO-system activity and TB-500's actin-dynamic/ILK-AKT profile — and why these two peptides are studied together in wound healing and musculoskeletal models.

Read Article
Sermorelin Ipamorelin GHRH ghrelin receptor research Researcher's Guide
Researcher's Guide  •  8 min read

Sermorelin + Ipamorelin: GHRH & Ghrelin Receptor Co-Stimulation Research

How Sermorelin's physiological pulse-length GHRH activity pairs with Ipamorelin's sustained GHSR-1a stimulation — and the neuroendocrine research models that examine their temporal interaction.

Read Article

Researcher's Guides

Practical guides for sourcing, handling, and evaluating research-grade peptides

Certificate of Analysis peptide laboratory testing Buyer's Guide
Buyer's Guide  •  6 min read

How to Read a Peptide COA: What Researchers Need to Know

A plain-language guide to interpreting Certificates of Analysis — what HPLC purity means, mass spec confirmation, and red flags every researcher should spot.

Read Article

Ready to Source Research-Grade Peptides?

Every compound we supply comes with a batch-specific third-party COA, ≥99% HPLC purity, and mass spectrometry identity confirmation. Create a free research account to access the full ordering portal.

Chat with us