Research Guides

Research peptide guides

Practical, research-use information on handling, reconstitution, storage and comparison of lyophilised research peptides - written for UK laboratory researchers. For research use only; nothing here is guidance for human or animal use.

Handling & Preparation

Intranasal Research Peptide Preparation

Preparing research peptides in an intranasal format for laboratory research models — equipment, preparation steps and compounds studied via intranasal routes in preclinical work.

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Handling & Preparation

How to Store Research Peptides Correctly

Correct storage conditions for lyophilised and reconstituted research peptides, including temperature, light, freeze-thaw cycle guidance and compound-specific notes.

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Compound Guide

What Is TB-500? A Research Compound Overview

What TB-500 is, the research interest around it, and how it is supplied and handled as a research compound in the UK.

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Compound Guide

What Is NAD+? A Cellular Research Compound Overview

What the coenzyme NAD+ is, the cellular research interest around it, and how it is supplied and handled in the UK.

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Compound Guide

What Is the KLOW Stack? A Four-Compound Research Blend

What the KLOW Stack contains, why the four compounds are blended, and how it is supplied and handled as a research material.

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Compound Guide

What Is GHK-Cu? A Copper Peptide Research Overview

What the copper peptide GHK-Cu is, the research interest around it, and how it is supplied and handled in the UK.

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Compound Guide

What Is BPC-157? A Research Compound Overview

What BPC-157 is, why it is studied, and how it is supplied and handled as a research compound in the UK.

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Compound Comparison

Semax vs Selank: Nootropic Research Compounds Compared

How the two nootropic research peptides Semax and Selank compare on origin, research interest, and how they are supplied and handled.

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Compound Comparison

Retatrutide vs Tirzepatide: Research Compound Comparison

How two of the most-requested metabolic research compounds compare on receptor targets, supplied form, purity and UK handling.

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Compound Comparison

Ipamorelin vs CJC-1295: Research Compounds Compared

How Ipamorelin and CJC-1295 compare as growth-hormone secretagogue research peptides, and how they are supplied and handled.

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Compound Comparison

Epitalon vs Pinealon: Pineal Peptide Research Compounds

How the short peptide bioregulators Epitalon and Pinealon compare, the research interest around them, and how they are supplied and handled.

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Buyer's Guide

Buying Research Peptides in the UK: What to Check

A practical checklist for UK researchers sourcing research peptides - what to verify on purity, documentation, stock and positioning before you order.

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Handling & Preparation

Bacteriostatic Water vs Sterile Water for Peptides

The real difference between bacteriostatic and sterile water for peptide reconstitution, and which solvent to use for research preparation.

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Handling & Preparation

How to Reconstitute Peptides: A UK Researcher Guide

How to reconstitute lyophilised research peptides with bacteriostatic water, including concentration arithmetic and storage, for laboratory handling.

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All guides are provided for laboratory research context only. Products supplied by North Peptides UK are research compounds - not medicines, and not for human or animal consumption.