Peptide Index
Reading

Guides

Long-form, factual reference on sequences, nomenclature, handling and related topics.

Guide

What Are Research Peptides? A UK Guide

A plain-English guide to research peptides: what they are, how they are studied in the laboratory, and how purity is verified. Research use only.

2 min read23 Jun 2026
Guide

Are Peptides Legal in the UK? (2026 Guide)

How research peptides are regulated in the UK — the MHRA, the Human Medicines Regulations 2012, what “research use only” means, and importing. General info, not legal advice.

4 min read23 Jun 2026
Guide

Buying Research Peptides in the UK: What to Check

A buyer’s checklist for research peptides in the UK — Certificates of Analysis, HPLC purity, cold-chain dispatch and supplier transparency. Research use only.

1 min read23 Jun 2026
Guide

What Is a Certificate of Analysis (COA)?

What a Certificate of Analysis tells you about a research peptide — HPLC purity, mass-spectrometry identity, and how to read one. Research use only.

1 min read23 Jun 2026
Guide

Bacteriostatic Water & Peptide Solution Stability

What bacteriostatic water is, why unbuffered solutions degrade peptides and redox cofactors, and how pH and buffers affect stability in research. Research use only.

3 min read23 Jun 2026
Guide

How to Store Research Peptides (UK)

A practical guide to storing research peptides in the laboratory: lyophilised cold storage, the cold chain, and stability once in solution. Research use only.

1 min read23 Jun 2026
Guide

How the Reusable Pen Works: Click Mechanics

How the reusable 3 mL cartridge pen meters volume — the click ratchet, threaded rod, and why 1 click = 0.01 mL (300 clicks per cartridge). A research dispensing device. Research use only.

3 min read23 Jun 2026
Guide

BPC-157 vs TB-500: Research Comparison

BPC-157 vs TB-500 compared for research — origin, mechanisms studied, local vs systemic focus, and why they are often researched together. Research use only.

2 min read23 Jun 2026
Guide

CJC-1295 and Ipamorelin: How the Combination Is Studied

Why researchers study CJC-1295 (a GHRH analogue) alongside ipamorelin (a GH secretagogue), and what the combination lets them examine. Research use only.

1 min read23 Jun 2026
Guide

What Is NAD+? (And Is It a Peptide?)

NAD+ explained for researchers: what the coenzyme is, why it is not a peptide, and the metabolic pathways it is studied in. Research use only.

1 min read23 Jun 2026
Guide

How to read this index

What each part of a peptide entry means — the fingerprint, the property table, statuses, and how search works.

1 min read23 Jun 2026
Guide

The one-letter amino acid code

A reference table mapping the twenty standard amino acids to their one- and three-letter codes and side-chain class.

2 min read23 Jun 2026