Blog

News, stories and updates from Dr Peptide.

October 4, 2026

How to Store Peptide Pens and Vials: A Laboratory Guide

How to store lyophilised peptide vials, reconstituted solutions and pre-filled peptide pens: temperature, light, moisture and handling guidance for UK laboratories.

October 4, 2026

Bacteriostatic Water Explained: A UK Laboratory Guide

What bacteriostatic water is, how it differs from sterile water, how laboratories use it to reconstitute lyophilised research peptides, and how to store it.

October 4, 2026

What a Certificate of Analysis Tells You About a Research Peptide

How to read a certificate of analysis for a research peptide: identity, HPLC purity, quantity, batch numbers and independent verification, plus the red flags to watch for.

October 4, 2026

Buying Research Peptides in the UK: A Quality Checklist

What to check before you buy research peptides in the UK: batch certificates, purity and identity testing, labelling, storage and UK dispatch. A practical checklist for laboratories.

October 1, 2026

Retatrutide vs Tirzepatide: A Research Comparison

How retatrutide and tirzepatide differ for laboratory research: receptor targets, molecular design and the formats available in the UK.

October 1, 2026

Peptide Pens vs Lyophilised Vials: A UK Research Buyer's Guide

Pre-filled peptide pens and lyophilised vials suit different research protocols. Here is how the two formats compare on stability, preparation and handling.

September 29, 2026

Research-Grade Peptide Compounds with Batch Verification

What batch verification and certificates of analysis mean for research peptides, and how to choose a UK peptide supplier that documents quality properly.

September 29, 2026

Tirzepatide Research Compound Specifications

Technical specifications for tirzepatide research peptides: molecular data, purity and CoA documentation, storage and stability for UK laboratory research.