Qualified researchers. Curious minds.
Research
peptides,
lab tested.
A US supplier with the receipts: every lot independently tested by ILS Laboratories, with batch reports published.
code WELCOME20
20% off your first order, code WELCOME20
One tap to the catalogue.
No account needed. Every price is open and guest checkout works.
Shop peptidesBy continuing, you confirm you are 21+ and buying for laboratory research use only, not for human or veterinary use.
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- 26published batch records
- 99.62%average HPLC purity
- 99%+every tested lot, lowest 99.06%
- ILSindependent lab, every lot
- Free US shipping on qualifying $100+ orders
- Card, Apple Pay, Google Pay
- Plain packaging
- Lost or damaged in transit? We make it right.
Batch reportReal excerpt
Lot 2608-008
- HPLC purity
- 99.75%
- Test date
- Aug 25, 2026
- Independent lab
- ILS Laboratories
- Quantity
- 5mg per vial
Every vial carries a lot number that matches its published report.
Every lot, tested
Batch reports
Big curiosity.
High standards.
Find the lot number printed on your vial, then match it to its published batch report.
About reviews
No wall of reviews. Yet.
We won't fill this space with five-star quotes we wrote ourselves. What we publish instead is the lab work: a report for every lot, from ILS Laboratories.
So don't take our word for it. Check us.
Before you buy
How to check
any supplier.
Six things a careful buyer looks for. Here's how Quill answers each one.
A named independent lab
ILS Laboratories tests every lot.
A lot number that matches a report
Printed on every vial, matched to its published report.
HPLC purity and identity
Purity and identity by HPLC. Every tested lot is above 99%.
Endotoxin results for each lot
Reported for every lot.
Reports you can read before you buy
26 batch records in a public library.
A clear answer for lost or damaged parcels
Lost or damaged in transit, we make it right. Delivery guarantee
Six for six. Run the list on Quill yourself.
Do I need an account?
No. Every price is open and you can check out as a guest. A free account is there if you want saved addresses and early restocks.
How fast do orders ship?
In-stock orders placed before the daily cut-off are dispatched within 24 business hours. Weekend and holiday orders ship the next business day.
Orders ship from within the US, with tracking by email. Domestic delivery typically takes 2 to 5 business days after dispatch, though it is not guaranteed. Qualifying US orders of $100+ ship free.
How can I pay?
Card, Apple Pay or Google Pay, through a secure checkout. Orders ship in plain packaging.
What does research use only mean?
Everything Quill sells is for laboratory research use only. It is not for human or veterinary use and is not approved by the FDA. You must be 21+ to order.
What if my parcel is lost or damaged?
If it is lost or damaged in transit, we make it right. Read the delivery guarantee
How does WELCOME20 work?
Use code WELCOME20 on your first order and it takes 20% off.
No account needed Stay curious.
Come on in.
20% off your first order, code WELCOME20
Shop peptidesBy continuing, you confirm you are 21+ and buying for laboratory research use only, not for human or veterinary use.
Referrals Know another curious mind? Share your referral code and earn 10% store credit on referred orders.
For laboratory research use only. Not for human or veterinary use. 21+.
Products are not approved by the FDA and are not intended to diagnose, treat, cure or prevent any disease.