New to peptides?
Start right here.
No experience needed. If you've never heard of a peptide — or you just got a vial in the mail and have no idea what to do with it — this page walks you through the basics in plain English. No jargon, no overwhelm.
First — what even is a peptide?
A peptide is just a tiny chain of amino acids — the same building blocks that make up the proteins in your body.
Think of amino acids like letters. String a few together and you get a short "word" — that's a peptide. String hundreds together and you get a long "paragraph" — that's a protein. Peptides are the short words.
In the body, many peptides act like little messengers. They carry signals that tell your cells to do specific things — like repair tissue, calm inflammation, or release certain hormones. Research peptides are lab-made versions that scientists study for those signaling effects.
What did I actually order?
When you buy a research peptide, it almost always ships as a dry powder sealed inside a small glass vial.
This surprises a lot of first-timers. You're expecting a liquid, but you open the box and there's a tiny vial with what looks like a little bit of white dust, flakes, or a thin film stuck to the bottom. That's completely normal. That powder is the actual peptide.
It's dry for a reason: peptides are fragile, and they stay stable far longer as a freeze-dried powder than they would as a liquid. The technical word for this freeze-dried powder is "lyophilized." You don't need to remember that — just know the powder is supposed to be there.
What comes in the box?
A typical order has a few separate pieces. Here's what each one is:
The small glass vial with the dry powder inside. This is the peptide itself.
A separate vial of special water. You'll mix this with the powder to turn it into a usable liquid. ("Bacteriostatic" just means it has a tiny bit of preservative so it stays clean for weeks.)
Usually small insulin syringes, marked in "units." You may need to order these separately — some suppliers don't include them.
For wiping the vial tops before you touch them with a needle. Sometimes included, sometimes not.
If your order didn't come with bacteriostatic water or syringes, you'll need those before you can do anything — they're sold separately at most suppliers.
It just arrived — now what?
Take a breath. You don't have to do anything with it immediately. Here's the simple order of events:
The only 3 words you really need
Peptide talk is full of intimidating terms, but for getting started, these three cover almost everything:
Mixing the dry powder with bacteriostatic water to make a liquid. That's it. "Reconstituting your peptide" = "adding the water."
How strong your mixed liquid is — how much peptide is packed into each drop. It depends on how much water you added. More water = weaker; less water = stronger.
The marks on an insulin syringe. Instead of measuring in drops or mL, you measure your dose in "units." The calculator tells you which unit mark to draw to.
Where to go next
Now that you've got the lay of the land, here's your path forward — in order: