Research Use Only★★★★★4.9/ 2,400+ reviews✓ COA Verified
Lab-Grade Peptide
Pens, Engineered
for Serious Research.
Peptide Pen Research supplies pre-mixed peptide pens with batch-level COAs, cold-chain shipping and transparent dosing references — built for laboratories that can't afford guesswork.
≥99% purity (HPLC)Third-party testedTracked cold-chain delivery
✓ HPLC ≥ 99% Purity•✓ Batch-Matched COA•✓ Cold-Chain 2–8°C•✓ Same-Day Shipping•✓ Researcher Support
Featured CatalogThe Pens Our Labs
View All ↗The Pens Our Labs
Reorder Most
A curated slice of our research peptide range — every pen ships with a batch-matched certificate of analysis.
Just Dropped
Shop New ↗Fresh from the Lab.
Newest research peptides added to the catalog this month — limited initial batches.
How it WorksWarehouse to
Warehouse to
Lab Bench in 4 Steps.
- 01
Browse
Filter by research area, peptide and pen size.
- 02
Verify COA
Download the batch-matched lab report before you buy.
- 03
Cold-Chain Ship
Insulated, tracked, 2–3 day delivery in supported regions.
- 04
Run Protocol
Use our dosing references and researcher support team.
The ScienceDocumentation that
Documentation that
Survives Peer Review.
Every PeptidePen batch is independently assayed for identity, purity and concentration. We publish the raw reports — no redactions, no marketing math.
- ✓
HPLC purity ≥ 99%
Reverse-phase chromatography per batch
- ✓
Mass spec identity
Molecular weight verified to ±1 Da
- ✓
Endotoxin & sterility screened
USP <85> / <71> reference methods
4.9 / 5 · 2,400+ ReviewsResearchers Don't
Researchers Don't
Tolerate Guesswork.
Real feedback from labs that reorder month after month.
★★★★★
“COAs match the batch every single time. We've reorganized our entire procurement around them.”
Dr. M. Halverson
Translational Lab Director
★★★★★
“Cold chain arrived perfectly within spec. Pre-mixed pens have cut our prep time in half.”
S. Okafor, PhD
Independent Research Group
★★★★★
“Finally a supplier that shows the raw HPLC, not a marketing summary. That's the bar.”
L. Tanaka
Senior Research Associate
FAQ
Common Questions
Are these products for human use?+
No. All products are sold strictly for in-vitro laboratory research and are not for human or veterinary use.
Do you provide a Certificate of Analysis?+
Yes. Every batch ships with a batch-matched COA including HPLC purity and mass spec identity confirmation.
How are pens shipped?+
All pens ship via tracked, insulated cold-chain at 2–8°C. Delivery is typically 2–3 business days in supported regions.
What payment methods do you accept?+
We accept major cards and wire transfer for bulk lab orders. Pricing is shown in USD; settlement is in EUR.
ContactUpgrade your
Upgrade your
Peptide Supply.
Browse the catalog or reach our research team about custom protocols and bulk lab pricing.