Core Peptides

A record of what this supplier publishes about itself. It does not evaluate product quality, purity, sterility or suitability for any use, and it is not a recommendation.

Observed 2026-08-04 · Affiliate relationship: None — no affiliate link appears on this page
Research-use products

Products labelled for research use are not approved for personal, medical or veterinary use. This entry does not evaluate suitability for human consumption.

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What this supplier publishes 5 of 7
  • Publishes a certificate of analysis
  • Certificate is tied to a specific lot
  • Names the testing laboratory
  • Cites a checkable accreditation number
  • Establishes identity, not just purity A purity figure without a published method that shows what the substance is.
  • Publishes a street address
  • Publishes a sterility report Not one supplier in this catalogue publishes one.
Read from this entry’s own record, so it cannot disagree with the detail below it. A tick means the supplier publishes the thing — not that we judged it adequate.

Summary of what is published

The only supplier in this set whose certificate carries an ISO 17025 accreditation mark and a citable accreditation number. Certificates are lot-specific and signed by a named laboratory director. The gap is method coverage: HPLC purity is shown without a mass-spectrometry identity report, so the document establishes purity but not identity.

Record

Official domain corepeptides.com
Testing laboratory named Vanguard Laboratory, Olympia WA — ISO 17025:2017, A2LA certificate #6377.01.01 cited
Analytical methods shown HPLC-UV/VIS with chromatogram. No LC-MS identity report observed.
US business address 5401 S Kirkman Rd, Suite 310, Orlando, FL 32819 (shared/executive suite)
Returns and refunds Refunds requestable up to 30 days after order; no physical return procedure described
Research-use positioning Personal use and human consumption expressly prohibited; states it is not a 503A or 503B facility
Affiliate relationship None — no affiliate link appears on this page
Observed 2026-08-04

Observations by category

The same categories are recorded for every supplier. Where evidence could not be obtained, the entry says so rather than inferring anything from the absence.

Business transparency

Orlando FL address, phone and email published, in a shared/executive-suite building. Explicit statement that the firm is not a 503A compounding pharmacy or 503B outsourcing facility.

COA and lot documentation

Certificate tab per product size; certificate examined carries lot number C73447, laboratory ID and date reported 2026-04-02.

Laboratory independence

Vanguard Laboratory named with address and phone; report signed by a named laboratory director. Carries ISO 17025:2017 accreditation mark citing A2LA certificate #6377.01.01.

Analytical-method transparency

HPLC-UV/VIS with chromatogram shown. No mass-spectrometry identity report observed on the pages checked, so identity is not established by the document.

Research-use compliance

Explicit prohibition of personal use and human consumption, stated site-wide.

Customer policies

Refunds requestable up to 30 days after order; no physical product-return procedure described.

Regulatory transparency

No warning letter found under this entity name in FDA’s dataset. No proactive regulatory-disclosure section.

What this entry is not

We did not purchase, receive or test any product, and we do not rank suppliers against each other. A supplier-hosted certificate is evidence that a document was published — not evidence that a shipped unit matches it. HPLC area percent is chromatographic purity, not net peptide content, and no purity figure establishes sterility, correct labelling or human safety.