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CertaPeptides

Research Blog

Guides, Protocols & Research

In-depth articles on peptide research, lab techniques, and industry developments. Written for researchers, by researchers.

BPC-157 Complete Research Guide
Peptide Guides12 min

BPC-157: The Complete Research Guide

Everything researchers need to know about Body Protection Compound-157 — from molecular structure and mechanism of action to storage protocols and the 100+ published studies behind it.

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Semaglutide Mechanism of Action
Peptide Guides10 min

Semaglutide: Mechanism of Action, Dosing & Key Studies

A deep-dive into how semaglutide mimics GLP-1, its extended pharmacokinetics, the landmark SUSTAIN and STEP clinical trials, and current dosing protocols used in metabolic research.

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Tirzepatide Dual GIP/GLP-1 Receptor Agonist
Peptide Guides9 min

Tirzepatide: The Dual GIP/GLP-1 Receptor Agonist Changing Metabolic Research

How tirzepatide's dual-agonist mechanism differs from single-pathway peptides, what the SURPASS trial data shows, and why dual-receptor targeting matters.

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Retatrutide Triple-Agonist Research
Peptide Guides8 min

Retatrutide: The Triple-Agonist Rewriting Metabolic Research

Understanding the first GIP/GLP-1/glucagon triple-agonist, why adding glucagon receptor activation matters, and what early phase 2 data reveals.

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Epitalon and Telomere Research
Peptide Guides8 min

Epitalon and Telomere Research: What the Science Shows

An overview of Epitalon (Epithalon) — the synthetic tetrapeptide studied for telomerase activation, pineal gland function, and its place in longevity research.

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Selank vs Semax Nootropic Peptides
Peptide Guides10 min

Selank vs Semax: Comparing Two Nootropic Peptides

Head-to-head comparison of Selank and Semax — two Russian-developed peptides studied for cognitive enhancement, neuroprotection, and anxiolytic effects through distinct mechanisms.

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CJC-1295 DAC Research Guide
Peptide Guides9 min

CJC-1295 DAC: The Extended-Release Growth Hormone Secretagogue

Complete guide to CJC-1295 with Drug Affinity Complex — how albumin binding extends its half-life to 6-8 days, synergy with Ipamorelin, and published growth hormone research.

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Ipamorelin Growth Hormone Secretagogue
Peptide Guides8 min

Ipamorelin: The Selective Growth Hormone Secretagogue

What makes Ipamorelin uniquely selective among GH secretagogues — its clean GH release profile without cortisol or prolactin elevation, dose-response data, and research applications.

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GHK-Cu Copper Peptide Research
Research10 min

GHK-Cu: The Copper Peptide That Modulates 4,000+ Genes

How GHK-Cu influences gene expression at nanomolar concentrations, why its levels decline with age, and what published research reveals about tissue remodeling, inflammation, and stem cell attraction.

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BPC-157 vs TB-500 Comparison
Research11 min

BPC-157 vs TB-500 vs BPC+TB-500 Blend: Complete Comparison

Detailed comparison of the three most popular tissue repair research peptides — individual mechanisms, when to use each one, and why the blend combines complementary pathways.

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Peptide Stacking Research Protocols
Research9 min

Peptide Stacking: Multi-Compound Research Protocols

The science behind combining multiple peptides in research — complementary mechanisms, protocol design considerations, and published data on BPC-157 + TB-500 + GHK-Cu combinations.

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Peptide Purity Testing HPLC and Mass Spectrometry
Research10 min

HPLC & Mass Spectrometry: How Peptide Purity Is Verified

The gold-standard analytical methods behind peptide quality verification — how HPLC chromatography and mass spectrometry work, what the results mean, and why they matter for reproducible research.

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Peptide Bioavailability Administration Routes
Research9 min

Peptide Bioavailability: How Administration Route Affects Research

Why the same peptide can produce dramatically different results depending on how it's administered — comparing subcutaneous, intraperitoneal, oral, and intranasal routes with published data.

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Peptide Stability and Degradation
Research10 min

Peptide Stability & Degradation: Protecting Research Compounds

The chemical and physical degradation pathways that threaten peptide integrity — oxidation, deamidation, aggregation, and adsorption — plus evidence-based strategies to prevent each one.

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Peptide Reconstitution Step-by-Step Protocol
Lab Protocols7 min

How to Reconstitute Peptides: Step-by-Step Protocol

The definitive reconstitution protocol — from equipment prep to final storage, with the critical technique mistakes that damage peptides and how to avoid them.

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How to Read a Certificate of Analysis
Lab Protocols8 min

How to Read a Certificate of Analysis (COA)

The definitive guide to interpreting peptide COAs — what each section means, how to verify purity and identity claims, and the red flags that signal unreliable peptides.

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Complete Peptide Storage Guide
Lab Protocols10 min

The Complete Peptide Storage Guide: Temperature, Light & Humidity

Everything you need to know about storing research peptides — temperature charts by compound, light protection, humidity control, freeze-thaw protocols, and per-peptide recommendations.

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Peptide Reconstitution Calculator Guide
Lab Protocols6 min

Peptide Reconstitution Math: Concentrations, Units & Volumes

How to calculate exact peptide concentrations after reconstitution — the formulas, common reconstitution volumes, and how to convert between mg/mL and mcg per insulin unit.

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EU Peptide Regulations 2026
Buyer Guides7 min

Research Peptide Regulations in Europe: 2026 Guide

Current EU regulatory framework for purchasing, importing, and using research peptides — classification, labeling requirements, shipping rules, and what researchers need to know.

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How to Choose a Peptide Supplier
Buyer Guides7 min

7 Quality Indicators for Choosing a Peptide Supplier

A practical checklist for evaluating research peptide suppliers — from COA verification and testing methods to shipping practices and pricing red flags.

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Need Help With Your Research?

Our reconstitution calculator and product guides can help.