Skip to content

Products and materials referenced on PeptideRank are for research use only and educational use, and are not for human consumption. Nothing on this site is medical advice. PeptideRank may earn an affiliate commission from some outbound links. Discount codes give a discount. Payment does not drive the evidence ranking.

PeptideRank

Rank 8 · Grade B · Last verified

Is Crystal Peptides legit? What the public evidence shows

  • Grade B
  • Rank 8
Strongest public signal
Supplier-stated. The homepage says every batch is tested at Janoshik, with certificates by batch number (Supplier-stated)
Main limitation
No batch library viewed; no independent dataset found; EU dispatch
  • Original illustration of one unlabeled research vial in teal on a dark background. Not a Crystal Peptides product photo.

    Original illustration

  • Original illustration of two unlabeled research vials with teal caps. Not a Crystal Peptides product photo.

    Original illustration

  • Original illustration of three unlabeled research vials on a dark tray. Not a Crystal Peptides product photo.

    Original illustration

These drawings are original and unlabeled. Crystal Peptides has no public affiliate image licence on the pages checked.

Public evidence

Independent record
Independently verified. No Finnrick profile was found at the probed slug. No independent dataset found. Source · Checked
Certificates
Supplier-stated. The homepage says every batch is tested and that a certificate is published by batch number. Source · Checked
Named laboratories
Supplier-stated. The homepage says every batch is tested at Janoshik Analytical for purity, amount, sterility, endotoxin, and heavy metals. Source · Checked
Purity claim
Supplier-stated. The homepage says purity is consistently greater than 99% by HPLC. Source · Checked
Example price
Supplier-stated. On 16 October 2026 the homepage listed BPC-157 10 mg at €47.95. A separate 5 mg vial price was not on that page. Source · Checked
Shipping
Supplier-stated. The homepage says orders are made and shipped from the EU, that standard shipping is free on orders of €200 or more, and that dispatch is normally within one business day. The carrier and estimate are shown at checkout. Source · Checked
Payment methods
Supplier-stated. The homepage listed card or cash on delivery, bank transfers, and crypto. A separate card-payment line was marked unavailable. Source · Checked
Refund and reship
Supplier-stated. The homepage says a verified delivery failure outside the customer's control is reshipped free, and that a verified failure of that second shipment is refunded for the affected goods. Source · Checked

How to verify a batch COA

Open the file for the lot on the container. Read the laboratory name, the report identifier, and the date before a percentage gets your attention. The walkthrough is how to read a peptide COA.

The ranking is not a quality guarantee. One strong certificate of analysis does not validate the whole catalog. Verify each batch.

Related comparisons

Back to the 2026 evidence ranking

FAQ

What public evidence grade does Crystal Peptides have?

Crystal Peptides is Grade B, rank 8, on the evidence ranking. The grade is not a guarantee of quality, purity, safety, or outcomes.

What is the strongest public signal for Crystal Peptides?

Supplier-stated. The homepage says every batch is tested at Janoshik, with certificates by batch number (Supplier-stated)

What is the main limitation for Crystal Peptides?

No batch library viewed; no independent dataset found; EU dispatch

Does PeptideRank publish a discount code for Crystal Peptides?

No discount code is published for Crystal Peptides.