Research Guides

These laboratory guides cover practical work with research peptides. Each one stays focused on the method and links to published literature summarized on our product pages.

How to Reconstitute Peptides

Step-by-step peptide reconstitution: choosing a diluent, calculating concentrations, aseptic technique, and the mistakes that degrade peptides in solution.

6 min read

Peptide Storage & Handling

How to store lyophilized and reconstituted peptides: temperature windows, light and moisture control, transit stability, and shelf-life expectations.

5 min read

How to Read a COA

What each line of a peptide COA means — HPLC purity, mass spec identity, endotoxin, heavy metals — and the red flags that separate real testing from marketing.

7 min read

Bacteriostatic Water Explained

Bacteriostatic water vs sterile water for peptide research: how 0.9% benzyl alcohol works, when each diluent is appropriate, and safe handling practice.

4 min read

BPC-157 Research Overview

What the published literature on BPC-157 actually covers: tendon and ligament models, gastrointestinal protection, angiogenesis — and the limits of the evidence.

7 min read

TB-500 Research Overview

TB-500 in the published literature: actin sequestration, cell migration, dermal and corneal wound models, cardiac studies, and what remains preclinical.

6 min read

BPC-157 vs TB-500

BPC-157 and TB-500 compared: origin, mechanism, study models and stability — why the research literature treats them as complementary rather than interchangeable.

6 min read

Semaglutide Research Overview

Semaglutide as a research compound: GLP-1 receptor pharmacology, the published SUSTAIN and STEP trial programs, and current laboratory research directions.

7 min read

Tirzepatide vs Retatrutide

Tirzepatide (GIP/GLP-1) and retatrutide (GIP/GLP-1/glucagon) compared: receptor pharmacology, published trial results, and how researchers choose between them.

7 min read

Retatrutide Research Overview

Retatrutide's mechanism and evidence: GIP/GLP-1/glucagon triple agonism, the 2023 phase 2 results, liver-fat findings, and the open questions phase 3 must answer.

6 min read

GH Secretagogues Compared

Compare sermorelin, CJC-1295 and ipamorelin by receptor, mechanism, half-life and use in growth-hormone secretagogue research.

6 min read

GHK-Cu Research Overview

Research on GHK-Cu spans collagen synthesis, wound models, age-related decline, gene-expression profiling, and practical handling of the blue copper complex.

6 min read

Reconstituted Peptide Stability

Stability windows for reconstituted peptides at refrigerator temperature: what drives degradation, how semaglutide-class compounds differ, and when to retire a vial.

6 min read

Peptide Calculation Guide

Calculate peptide concentrations, per-draw quantities, serial dilutions and mass-to-molarity conversions for in-vitro laboratory work.

7 min read

HPLC Purity Explained

Learn how HPLC purity is calculated, why identity needs mass spectrometry and how peptide impurities can affect laboratory assays.

6 min read

Independent testing standards with batch-matched documentation.

Allen Biotechnology Co publishes its testing policy, provides a labeled sample certificate, and offers direct research support.