Research Use Only — Not for human or veterinary use. Not FDA-evaluated. All references are for educational research.

Clarity You Can
Measure.

Sealed kits of ten vials, tested by an independent lab. Every report we hold is published, lot by lot.

≥ 99.0%HPLC purityEvery published CoA
A Sera Club kit of ten blue-capped vials in a clear tray, two more vials and the navy kit box marked Research Use Only.
One sealed Sera Club research vial with a blue cap.

Our Standard

The Sera Club Guarantee.

What we hold ourselves to, for in vitro and laboratory research — in writing, and checkable.

  • ≥ 99% on every published CoA

    Purity by HPLC, measured by an independent lab, with identity confirmed by mass spectrometry.

  • Reports you can open

    Each CoA we hold is public, with its lot number and report ID — never a generic sample sheet.

  • Shipment protection

    Lost or damaged in transit? Report it within 7 days and we send a replacement, as set out in our Refund Policy.

Documentation

Quality you can verify, not just trust.

Every compound we certify is tested by Janoshik, an independent analytical lab, and its report is public — lot number, report ID and all. Read it before you order.

compounds with a published CoA
10
lot reports, all public
15
lowest purity on any CoA
≥ 99.0%

How a lot is checked

  • Purity

    HPLC

    On the report

    The share of the sample that is the target peptide.

  • Content

    Measured

    On the report

    The milligrams actually in the vial, weighed against the label.

  • Identity

    Mass spectrometry

    Confirms the molecule is the one named on the kit.

Open the CoA Library
A Sera Club kit and its navy box on the ice in front of a glacier at dusk.

GHK-Cu

Verified

Copper Tripeptide Complex

50mg100mg

99.457%

Purity · HPLC

114.58 mg

Net content

Batch / Lot
WBS20260130
Tested
Jan 27, 2026
Report
#102112

Figures above are for the 100 mg lot.

Assays performed

  • Purity
  • Content

Independently tested byJanoshik

View CoA
Live from the CoA Library · GHK-Cu

Why choose Sera Club?

A Sera Club kit of ten blue-capped vials and the navy kit box on an ice ledge.
  • Purity, published

    At least 99% by HPLC on every CoA we publish — the lowest result included.

  • A report per lot

    Each CoA names its own lot and report ID. Never a generic sample sheet.

  • Ready to ship

    In-stock kits dispatch from the U.S. Live availability is shown on every product.

  • Free, tracked shipping

    USPS Priority Mail on every order, with tracking and no minimum.

  • Shipment protection

    Lost or damaged in transit? Report it within 7 days and we send a replacement, as set out in our Refund Policy.

  • Volume pricing

    Larger research orders are priced per order. Email support@seraclub.us for a quote.

FAQ

Research Peptides

Handling, documentation, and ordering — answered for laboratory and in vitro use.

All questions, by topic

Made for researchers who read the report.

Kits of ten sealed vials, with every lot report we hold published in full. Research, laboratory and in vitro use only.

A Sera Club kit of ten blue-capped vials, two more vials and the navy kit box marked Research Use Only, on an icy floor.

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Sera Club — Research Peptides with Published CoAs