Everything for the beginner in one place — plain-English guides, COA & testing explainers, a curated video library, a jargon glossary, and the vendors we’ve flagged. No hype, no dosing advice, nothing to buy. For research use only.
Buyer guides written for someone brand-new to peptides — sourcing, pricing, storage, and supplies. Every one is independent and for research use only.
Every vendor has a best-sellers list. This is the other ranking — what published research actually supports, tier by tier.
Buyer checklistNot a store name — a method: verifiable COAs, real domains, fair prices, and the red flags that end the conversation.
RegulationYes — with one condition that does all the legal work. Where the FDA enforcement line actually runs now.
CompareOne receptor, two, three. What’s established, what’s still trial-stage, and what the research market charges.
TelehealthThe compounding era is over and the market re-priced. What the surviving programs offer and cost.
ToolsAll 32 free compound-specific calculators, what a good calculator must do, and the unit mistake that matters.
GuideThe physicians, scientists and analysts worth your time — with every commercial interest labeled.
CompareFour molecules, four different verification problems — plus the 14 preclinical papers actually behind the claims vendors make about them.
Buyer checklistThe six-point sourcing checklist we run on every vendor before trusting one — and the red flags that end the conversation.
PricingWhy sticker prices mislead, and how to compare vendors on true cost per milligram.
HandlingLyophilized vs reconstituted, cold chain, and why vendor handling can wreck a clean batch.
SuppliesWhat it is, how much to use, shelf life, and where to buy — the reconstitution essential.
How independent testing works and how to read it yourself — the COA, the assays behind it, and what our “Verified” badge actually checks.
Every peer-reviewed study we have verified, by compound — each citation read back from PubMed with the experimental model stated.
TestingJanoshik, MZ Biolabs, Freedom Diagnostics, Chromate, Peptide Test — what each tests, costs, and who pays them.
TestingThe five traits of a trustworthy COA, the three failure modes, and how to grade any report in a minute.
ResearchThe landmark studies everyone cites, what each actually did, and the one habit that turns citations back into information.
TestingPurity, mass spec, batch numbers — and the red flags that mean a COA is fake.
TestingPurity versus identity — the difference where fake vials slip through a clean-looking COA.
TestingWhat a purity percentage does and doesn't prove — and why an unverified 99.9% is worth less than a verified 98%.
MethodHow a vendor earns the badge, what we check, and why rankings are never for sale.
A curated shelf of third-party explainers — reading COAs, spotting fakes, and the compounds themselves. Embedded from their creators; not endorsements, and no dosing or medical advice.
Videos are embedded from their original creators on YouTube — not re-hosted and not endorsements. Nothing here is dosing or medical advice. For research use only.
Every acronym on this site, in plain English. The words vendors count on you not knowing.
Legit sellers prove what’s in the vial; scammers don’t. Here are the five red flags you can spot yourself — then see who we’ve flagged.
The learn hub is independent and for research use only — no dosing, no medical advice, and our rankings are never for sale. For anything about your own health, see a licensed clinician.