For research and general information only. Not medical advice or dosing guidance. Many peptides are not approved for human use. Talk to a licensed healthcare professional before making any health decision. Read the full disclaimer.

Guides

Short, simple guides to peptides, lab reports and talking to your doctor.

All guides (4)

Peptides 101

What peptides are, how FDA-approved, compounded and research use only products differ, the risks and unknowns, how to check testing, and why to ask a doctor.

Questions to ask your doctor

A printable list of neutral questions to ask your doctor or pharmacist about peptides: FDA approval, compounding, safety, testing, cost and what happens next.

Peptide words explained

Plain-English definitions of common peptide terms: COA, HPLC, purity, identity, compounded, 503A, 503B, research use only, endotoxin, ISO 17025 and more.

How to Verify a Peptide COA

What a certificate of analysis should contain, HPLC vs LC-MS, red flags, lab lookup portals and what ISO 17025 really covers.

Related pages

Look up a lab report

Public databases and lab portals for checking a report.

Compare testing labs

See how labs differ in methods, accreditation claims and report checks.

Explore related sections

Tracking apps

Apps to keep notes, records and reminders in one place.

Math calculators

Tools for unit conversions. They do arithmetic only, not dosing advice.

Science and sequence tools

Tools scientists use to study peptides, plus general health-data apps.

Look up the science

Official and public sources for research, clinical trials and drug rules.

Check product testing

Labs and testing services that test submitted samples, plus public report databases.