For Laboratory and Research Use Only. Not for Human or Veterinary Use.
Buy one, get one free on single vials. Free vial added automatically in the cart.
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PEPTIQUE

Research-grade peptides · Lot-matched COA

PEPTIQUE

Verified lot by lot. Documented vial by vial.

99%+ purity by HPLC and mass spectrometry · independently tested · ships from the USA

BOGO Buy one, get one free on single vials, and 15% off again when you subscribe. Free shipping over $99.

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Peptique research vial on a bone-coloured surface
Lot-matched · 99%+ purity

Live offer · no code needed

Buy one, get one free on single vials. Subscribe and take 15% off the one you pay for.

Every other research supplier makes you choose between a deal and a standing order. Take both. The free vial is added in the cart, the subscription discount comes off the paid one, and shipping is free on every subscription order.

  • 1 + 1Buy 1, get 1 free on single vials, applied in the cart
  • 15%Off again on subscription, price locked for twelve months
  • 5 to 10%Volume savings from the third paid vial, automatic
  • $99Free shipping threshold, and no minimum on subscriptions
Shop the catalog

Buy one get one free applies to single vials of eligible compounds. Kits and Glow Blend are excluded. Free vials ship from the same lot where stock allows. Code LOT20 takes $20 off orders over $75.

1,482
lots released with a published Certificate of Analysis
99.2%
average HPLC purity across the last 50 released lots
100%
of released lots carry endotoxin and mass-spec confirmation
0
lots released without lot-matched documentation

Peptique publishes release data instead of customer reviews. A testimonial on a research catalog describes a person using the material, and that is the one thing these products are not for.

The catalog

9 compounds, one diluent.
Every lot documented.

Pick a strength and add it straight from the card. Single vials carry buy one get one free, volume savings from the third paid vial, and a published report for every lot.

Standing orders

The only research catalog
you can actually subscribe to.

We checked the four suppliers researchers compare us against on 23 October 2026. Every one of them sells a vial. Not one of them sells a standing order. A laboratory that runs the same assay every month should not have to re-buy it every month.

  • 15% off every deliveryOn every single vial, for as long as the subscription runs.
  • Free shipping every timeNo minimum on a subscription order. One-time orders ship free over $99.
  • Your price is lockedThe price you start on is held for twelve months, through any list change.
  • Lot-matched COA emailedThe Certificate of Analysis for the lot you were shipped, with every delivery.
  • Skip, pause or cancelAny time, from the account page. No call, no retention script.
Start a subscription Subscription is preselected on every compound. Switch to a one-time order on any product page.

The quality standard

Seven tests on every lot,
before a vial ships.

How to read a Peptique COA
COA Published
Every lot documented
99%+ Purity
HPLC and mass spec
Same-Day Ship
Orders by 2PM MT
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USA Based
Ships domestically

01 / Identity

LC-MS confirms the compound is what the label says it is, lot by lot.

02 / Purity

RP-HPLC verifies 99% or greater purity before a lot is released.

03 / Net content

Gravimetric fill checked per vial against the labeled strength.

04 / Safety

Endotoxin (LAL), sterility (USP 71) and heavy metals (ICP-MS) on every lot.

05 / Traceability

The lot on the vial links to its report in the COA library, before you buy.

Answers

Frequently asked questions

What form is the material supplied in?
A lyophilized solid in a sealed glass vial. Appearance can vary by lot and does not indicate identity or purity; the lot's Certificate of Analysis does.
Is a Peptique compound intended for human use?
No. Peptique supplies this product strictly for laboratory research. It is not a drug, food, supplement or cosmetic and is not for human or veterinary use.
Does Peptique provide dosing or administration instructions?
No. Peptique does not provide dosing, administration, injection, therapeutic or personal-use instructions for any product.
Why is the lot number important?
Analytical results apply to the tested lot only. The lot on your vial is what links the material in hand to its report in the COA library.
Is analytical documentation available?
Yes. A lot-matched Certificate of Analysis is published for every released lot and is linked from this page and from the COA library.
Research Use Only. All Peptique products are supplied strictly for laboratory and research use. They are not drugs, foods, supplements or cosmetics, are not approved by the FDA, and are not intended to diagnose, treat, cure or prevent any disease. Not for human or veterinary consumption.