New to peptides? Start here
You've heard about peptides and want to know more. That's a good place to start. We explain the basics in plain words, show you how to check whether a product was tested, and point you to helpful tools.
We don't sell anything. We don't list peptide sellers, and nobody pays to be listed.
Start with the basics
What is a peptide? How is a medicine your doctor prescribes different from a product sold online with a "research use only" label? Our Peptides 101 guide covers this in plain language. Then use our list of questions for your doctor to get ready for a visit.
Check product testing
Some products come with a lab report called a certificate of analysis, or COA. Our guide to checking a COA shows you what a real report should include and how to confirm it with the lab. To find labs, see Check product testing. You can also compare labs side by side or look up a report in a public database.
A good test result tells you about one sample. It doesn't mean a product is safe for you.
Find helpful apps
- Tracking apps: keep notes, records and reminders in one place.
- Math calculators: do unit conversions. They do arithmetic only. They don't tell you what to take.
- Science and sequence tools: tools scientists use to study peptides, plus general health-data apps.
See all tools.
Look up the science
Want to read the research yourself? Look up the science links to official and public sources, like medical research databases and clinical trial listings.
Guides in plain language
- Peptides 101: what peptides are and why the type of product matters
- Questions to ask your doctor
- Peptide words explained: a glossary
- How to check a COA
See all guides.
Our promise and disclaimer
- Independent. We aren't connected to any seller, app or lab we list.
- No ads for products. Nobody pays to be listed.
- Not medical advice. We never give doses, schedules or treatment advice.
- Talk to a professional. Always ask a licensed healthcare professional before making a health decision.
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. We are not affiliated with any listed vendor, app or lab. Full disclaimer.