PS Peptides

9.65 PB score / 10 Band A

A New Jersey research storefront with public vial prices and a large certificate library; many reports can be checked at North American Diagnostics under ProSupply Peptides | pspeptides.com.

Curated

10% off with disclosed code

Disclosed partner
Coupon code 10% off

Code BENCHMARK takes 10% off, confirmed at checkout September 25, 2026 (Hexarelin 10 mg: $59.99, −$6.00). Our referral link records the visit for 90 days but does not apply the discount by itself, so enter the code at checkout. PeptideBenchmark earns a commission on referred orders; that is not a second shopper discount.

PeptideBenchmark has a disclosed affiliate relationship with PS Peptides. This does not change benchmark scores or trust ratings — it only affects outbound links and pricing-board discount modeling where applicable.

Same formula for every vendor: verifiable testing evidence forms the backbone; third-party reviews adjust it within a bounded range. How scoring works →

Trustpilot
4.5 · 278 reviews
Score breakdown

Rank Composition — the terms below are the published receipt for this score. Full formula on the methodology page.

Verified-evidence backbone
9.20
Third-party reviews (bounded)
+0.30
Curated review bonus
+0.15

PS Peptides lists single-vial research peptides with milligram options on the public catalog. The certifications page publishes laboratory PDFs for current and older batches. Ranked prices apply the cart-checked code BENCHMARK, 10% off the regular list price. The referral link records the visit and does not apply that discount by itself.

Best for

Readers who want a broad U.S. vial catalog and a public certificate library that can be checked at the issuing laboratory.

Watch-out

Ready sprays and tablet bottles are compared on their own lanes, not against reconstitution vials. The GHK-Cu skin serum and the Cut & Glow multi-vial bundle stay off those lanes. Accessory kits and pen supplies stay off the peptide comparison. AHK-Cu vials and GHK-Cu tablets were out of stock on the review date. The relationship does not change the September 24 evidence findings or the score.

Fulfillment · as published by the vendor

A 25-person team based in New Jersey, with U.S. manufacturing and shipping. No street address is published on the contact page. Orders placed before noon Eastern typically ship the same business day. Free shipping on any order, and free UPS 2nd Day Air over $200, were advertised on September 24, 2026. Email support, 7 days, 9am–10pm Eastern.

Independent evidence review Read the independent PS Peptides evidence review
Publicly inspectable

Public certificate library with North American Diagnostics provider verification

The public certifications page hosts laboratory PDFs, with confirmed matches at North American Diagnostics under the client ProSupply Peptides | pspeptides.com. The library includes separate analytical, heavy-metals, endotoxin, sterility, and fentanyl-screen reports. A result in one document does not establish the results of another; check the report for the relevant product and lot.

99.1%
checked at the issuing laboratory
528 of 533 certificates
99.1%
assayed content vs label (median)
137 certificates report both figures

Assayed content is not fill accuracy. Laboratories report net peptide content, and peptides ship as salts, so an honestly filled vial commonly assays below its gross label — a figure under 100% is not evidence of a short vial. These numbers are also not comparable between vendors: they exist only where a laboratory reports net content, so they partly reflect which laboratory a vendor uses.

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