Quality & Testing

Every lot, verified.

Peridyn Labs releases only reference standards that have passed an independent third-party analytical panel. This page documents how each lot moves from supplier to shipment.

Our Model

A curated supplier — not a compounder, not a pharmacy.

Peridyn Labs sources reference peptides from vetted contract manufacturing partners operating under Good Manufacturing Practice for research-grade synthesis. We are a chemical reference supplier: we do not synthesize, we do not compound, we do not dispense, and we do not provide clinical guidance. Our value is entirely in selection, verification, and documentation.

Before a supplier's material enters our inventory it must pass a documented onboarding review covering identity, purity, sterility, endotoxin content, and heavy-metal profile. Once accepted, every subsequent lot is independently re-verified before it is released to any customer. If a lot fails to meet specification it does not ship.

The Analytical Panel

Four release panels. Every lot.

Independent third-party analytics on every batch we release. No self-testing. All four certificates are published on each compound's product page.

01 · Purity

RP-HPLC + Mass Spec

Reverse-phase HPLC quantifies main-peak purity (≥ 98% release floor); mass spectrometry confirms identity against the theoretical mass.

02 · Heavy Metals

ICP-MS Screening

Elemental-impurity screening by inductively-coupled-plasma mass spectrometry against USP <232> limits.

03 · Endotoxin

LAL Assay

Bacterial endotoxin by Limulus amebocyte lysate assay (USP <85>). Released below the 0.5 EU/mg threshold.

04 · Sterility

USP <71>

Culture-based sterility in aerobic and anaerobic media. Only lots with no growth are released.

Third-Party Verification

Named laboratories, not "verified by us".

Independent analytical work is contracted to third-party partners including Medutest — Maison d'Analyse (Geneva). The laboratory of record for any given lot appears on the face of that lot's COA — not on a generic marketing page. Each certificate covers four panels: Purity (RP-HPLC + Mass Spec), Heavy Metals (ICP-MS), Endotoxin (LAL), and Sterility (USP <71>).

Peridyn Labs does not have a financial relationship with these labs beyond arm's-length testing contracts. We do not receive discounts for volume that could bias reporting, and we do not select the specific analyst who reviews our samples.

Actual Peridyn Certificate of Analysis — BPC-157 purity panel (RP-HPLC + Mass Spec), Medutest
Actual certificate · BPC-157 purity panel · Medutest
Packaging & Fulfillment

Next business day, insulated, tracked.

Orders ship the next business day, Monday through Friday. All shipments include tracking. Cold-sensitive lots ship in an insulated mailer with ice packs, sized for the expected transit window.

Damage-in-transit replacement. If a shipment arrives damaged or compromised, Peridyn Labs replaces it at no cost — send a photo of the item and packaging with your order number within 10 business days of delivery.

Weekends. Orders placed Thursday through Sunday dispatch Monday to minimize weekend transit dwell.

Full shipping policy
DISPATCH
Next Biz Day
Mon – Fri
FREE PRIORITY
> $250
USPS Priority Mail
PRIORITY TRANSIT
2–3 Days
Insulated when required
COVERAGE
50 States
Tracked delivery
Batch Traceability

Certificates, on every product page.

The current batch certificates for each compound — Purity (RP-HPLC + Mass Spec), Heavy Metals (ICP-MS), Endotoxin (LAL), and Sterility (USP <71>) — are published on that compound's product page in the registered catalog. Download them any time; no request required.

Affiliate shipments include a printed copy of the batch certificates. Testing is performed on a representative vial set drawn from the production batch, so the tested vial mass may differ from the SKU size ordered.