The Peptide Library

Research profiles for the most-searched peptides in Canada — sequence, molecular data, research status and testing standards.

Each profile covers the peptide's sequence, molecular weight, CAS number, research status, WADA status and what a trustworthy Certificate of Analysis should show. New to peptides? Start with What Are Peptides?

Regenerative Research

BPC-157

15 amino acids · 1419.5 g/mol

WADA: prohibitedView
Regenerative Research

TB-500

7 amino acids (acetylated) · 889.0 g/mol

WADA: prohibitedView
Dermal & Cosmetic Research

GHK-Cu

3 amino acids + copper ion · 403.9 g/mol

Research profileView
Metabolic & Cellular Research

MOTS-c

16 amino acids · 2174.6 g/mol

Research profileView
Metabolic & Cellular Research

NAD+

Dinucleotide (not a peptide) · 663.4 g/mol

Research profileView
Cellular Research

Epitalon

4 amino acids · 390.3 g/mol

Research profileView
Neuropeptide Research

Selank

7 amino acids · 751.9 g/mol

Research profileView
Neuropeptide Research

Semax

7 amino acids · 813.9 g/mol

Research profileView
Cellular Research

KPV

3 amino acids · 342.4 g/mol

Research profileView
Guides

Peptide Guides for Canadians

What Are Peptides?

The plain-English basics: structure, types and how research peptides are made.

Are Peptides Legal in Canada?

How Health Canada regulates peptides and what "research use only" really means.

Peptide Lab Testing Explained

How to read a COA and what HPLC and mass spec actually prove.

Compare Peptides

Side-by-side molecular data and research focus.

How to Choose a Supplier

The checklist — and red flags — for buying peptides in Canada.

Ask Peptide Authority

Answers to the questions Canadians ask most.

Educational Content Only

Profiles summarize published research for information only and are not medical advice. See our disclaimer.