01
Verified raw materials
Every amino acid and reagent that goes into a lot is tested and certified before it's allowed in the room.
WHY
Start dirty, finish dirty. Purity is decided at the very first step, not fixed later.
OUR PROCESS
Filled in USA.
Tested 8x.
Shipped straight.
Every Troy vial goes through the same twelve steps, in the same order, with a check at each one. Synthesized, purified and tested in a US facility before it's sealed, and documented so you can see exactly what you're getting.
A lot of "USA-made" peptides are imported as raw powder and bottled here. Ours aren't. Synthesis, purification, testing and vialing all happen in one US facility, so the certificate that ships with your order describes the vial in your hand, not a lot from somewhere else.
FOR RESEARCH USE ONLY · NOT FOR HUMAN OR VETERINARY USE
99%+HPLC-MS PURITY
8XTESTED
12 STEPSONE DOCUMENTED PROCESS
100% USAMADE, TESTED & SHIPPED
WHAT IT MEANS FOR YOU
The standard
on every vial.
This isn't a page of promises. It's the checklist every lot has to clear before it gets a Troy label. If a lot doesn't clear it, we don't sell it.
01
Cleanroom synthesis
Built in an ISO-certified cleanroom, not a back room. Controlled air, controlled surfaces, controlled people.
02
Purified past 99%
HPLC purification strips out the near-miss sequences and leftovers until the target peptide is all that's left.
03
Screened for the bad stuff
Every lot is checked for heavy metals and endotoxins. Not a sample of lots. Every one.
04
Freeze-dried, not just dried
Lyophilized under vacuum so the peptide locks into a stable cake.
05
Sealed under nitrogen
Oxygen and moisture are what break peptides down over time. Both are purged from the vial before the cap goes on.
06
A COA on every lot
Every lot ships with a lot-linked Certificate of Analysis, so the paperwork describes the exact vial in your hand.
THE PROCESS
Twelve steps.
No shortcuts.
Three phases, twelve steps, in order. Each one exists because skipping it is how bad peptides get made.
PHASE 01 · STEPS 1–4
Manufacturing
Where the peptide is actually built, one amino acid at a time, in a controlled room from verified materials.
02
Cleanroom production
Synthesis happens inside an ISO-certified cleanroom with filtered air and strict handling protocols.
WHY
It keeps microbes and particulates out and makes lot after lot come out the same. Plenty of overseas labs skip this entirely.
03
Solid-phase synthesis
The chain is assembled on a resin support, adding amino acids one by one in the exact order of the sequence.
WHY
The resin holds the growing chain in place, so each peptide is built precisely to spec with nothing out of order.
04
Cleavage & deprotection
The finished chain is cut free from the resin and the temporary protecting groups are removed.
WHY
This is the moment the peptide becomes a peptide. From here it goes straight to purification.
PHASE 02 · STEPS 5–8
Purification
& testing
Where everything that isn't the target peptide is removed, then proven.
05
Crude purification
The raw product is washed and filtered to pull out solvents and the larger by-products of synthesis.
WHY
It gives the precision step a cleaner starting point, so the final purity goes higher.
06
HPLC purification
HPLC (liquid chromatography) separates the exact target peptide from closely related impurities.
WHY
Small impurities change results. This is the step that gets Troy vials past 99%.
07
Heavy metal & endotoxin screening
Each lot is screened for lead, mercury, arsenic and endotoxins before it goes any further.
WHY
Gray-market imports usually don't bother. Every lot is tested and the result is published.
08
HPLC-MS verification
Identity and purity are confirmed by mass spectrometry and written up on a lot-linked Certificate of Analysis.
WHY
You get documented proof of exactly what's in the vial, tied to the lot number on your label.
PHASE 03 · STEPS 9–12
Stability
& delivery
Where a pure peptide is kept pure, from the vial to our shelf to your door.
09
Sterile filtration & aseptic fill
The solution passes through a 0.22 µm filter and is dispensed into vials under aseptic conditions.
WHY
It's the gold-standard way to make sure no microorganisms or particulates make it into the vial.
10
Lyophilization & nitrogen seal
Vials are freeze-dried under vacuum into a stable cake, then backfilled with nitrogen and sealed.
WHY
No oxygen, no moisture, no slow degradation sitting in the vial.
11
Logged by lot
Finished vials are received into our fulfillment inventory, where each lot is logged and matched to its Certificate of Analysis before it's available to order.
WHY
Every vial we ship is from stock we've received and recorded by lot number, not drop-shipped from somewhere we've never seen.
12
Fast domestic shipping
Orders ship from within the USA and typically arrive in 2–3 business days.
WHY
No weeks in transit, no customs holds, no heat damage on a slow boat.
SIDE BY SIDE
Troy vs. the
overseas supplier.
Cheaper peptides are cheaper for a reason. Here's where the difference actually is.
| What matters | Troy Peptides | Typical overseas supplier |
|---|---|---|
| Where it's made | USA, one facility | China, India or undisclosed |
| Cleanroom | ISO-certified cleanroom | Unverified or not disclosed |
| Manufacturing method | Solid-phase synthesis, start to finish | Imported pre-made crude |
| Heavy metal testing | Every lot | Rarely, if ever |
| Endotoxin testing | Every lot | Rarely, if ever |
| HPLC purity | 99%+ verified | Often 95% or unverified |
| Mass spectrometry | Sequence confirmed per lot | Often absent or outsourced |
| Sterile filtration (0.22 µm) | Standard on every vial | Not disclosed or skipped |
| Lyophilization | Done in the same facility | Often in unregulated facilities |
| Nitrogen seal | Yes, every vial | Usually air-sealed |
| Certificate of Analysis | Lot-linked and published | Generic, undated or missing |
| Shipping time | 2–3 business days, domestic | 1–4 weeks, plus customs risk |
EVERY STEP, DOCUMENTED
See it for
yourself.
Browse the catalog, or pull up the Certificate of Analysis behind any lot before you order.
FOR RESEARCH USE ONLY · NOT FOR HUMAN OR VETERINARY USE