For research and laboratory use only. Not for human consumption.

PSPeptides Review (2026): Testing, Shipping and Refunds Checked

Our PickOpen4.6(268)

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PSPeptides is a US research peptide vendor that says it manufactures in a cGMP-compliant facility in Temecula, California. Its certificates of analysis carry a batch number and the lab's name, N.A. Diagnostics, and each test ID can be looked up on the lab's own website. It ships same or next business day and has a 4.6 Trustpilot rating from 268 reviews, but it shows no company name or address and its catalogue is visible only to registered researchers.

Lab reportsPer lot · N.A. Diagnostics
Ships fromUSA
RefundsNo returns; defects in 3 days; refund + test cost if purity < 80%
Trustpilot4.6 / 5 (268)

Disclosure: this review contains affiliate links; we may earn a commission. It uses the same checks as every other vendor, and the watch-outs below are shown in full. How we work.

What we found good

  • COAs carry a batch ID and name the lab: for example BPC-157 5 mg, batch PSP-06112026BP, 99.92% HPLC purity (ordered 11 June 2026).
  • Each test ID returns the same report on the lab's verify portal (nadiagnostics.com/verify).
  • Reports cover more than purity: heavy metals, endotoxin, sterility and fentanyl screening are listed.
  • Orders placed before 2 PM EST ship the same day; others ship the next business day.
  • Free UPS 2nd Day Air over $200 and free UPS Next Day Air over $400.
  • If a third-party test shows the wrong product or HPLC purity below 80%, it refunds the order plus the cost of the test (claim within 30 days).
  • Takes cards, Afterpay, Klarna, Apple Pay, Google Pay, Shop Pay, CashApp and Zelle.
  • 4.6 on Trustpilot from 268 reviews, the highest rating among the vendors we recorded.

Watch-outs

  • The catalogue and prices are only shown to registered researchers, so you cannot compare prices before signing up.
  • The testing lab is young and its independence is not established: nadiagnostics.com was registered in June 2026 and states no accreditation.
  • No company name or street address is shown on the site. The About page places the team in New Jersey and manufacturing in Temecula, California.
  • The About page offers support by call or text; the Contact page says there is no phone support.
  • Shipping banners disagree: one says free shipping on any order, others set thresholds at $200 and $400.
  • No returns. Defective, broken or missing items must be reported within 3 days of delivery with photo and video.

PSPeptides products

Photos and product images: PSPeptides (pspeptides.com).

Screenshot of the PSPeptides about page
What we checked: the PSPeptides about page (pspeptides.com/about-pspeptides), screenshot taken 2026-11-04. Pop-ups removed for readability.

PSPeptides at a glance

PSPeptides at a glance (checked 2026-11-04)
Website statusOpen
Ships fromUSA
Shipping speed"Orders ship same or next business day"; "Orders placed before 2 PM EST ship same day"; free UPS 2nd Day Air over $200, Next Day Air over $400
Free shippingInconsistent on site: banners say "Free Shipping On Any Order" and also "Free UPS 2nd Day Air Shipping On Orders Over $200" / "Free UPS Next Day Air Shipping On Orders Over $400"
Certificates of analysisPer lot; lab: N.A. Diagnostics
RefundsNo returns; refund/exchange only for defective, broken or missing items reported within 3 days of delivery with photo+video, or full refund plus test cost if a third-party test shows wrong product or HPLC purity below 80% (claim within 30 days).
Lost or damaged parcelsDefective/broken/missing items exchanged with complimentary express shipping after approval; lost-in-transit packages not specifically addressed.
Payment methodsVisa, Mastercard, Amex, Discover, Afterpay, Klarna, Apple Pay, Google Pay, Shop Pay, CashApp, Zelle
Business addressNot stated on the pages we checked
Products listedNot stated on the pages we checked
Listed priceNot confirmed
Trustpilot4.6 / 5 from 268 reviews

What we could not verify

  • Whether N.A. Diagnostics is accredited or fully independent of the vendors it tests.
  • No independent test results from Finnrick or similar community testing were published at our check.
  • The homepage says current batch results are posted on each product page before the batch ships. Product pages sit behind the login, so we could not check this.
  • Lost-in-transit parcels are not covered by the published policy we read.

Facts were checked on 2026-11-04 from the vendor's own pages. Vendors change prices and policies, so check the current page before ordering. See how we review.

Frequently asked questions

Is PSPeptides legit?

We do not judge a company from the outside; we check what it publishes. On 2026-11-04, PSPeptides showed: certificates of analysis per lot; lab: n.a. diagnostics; business address not shown; Trustpilot 4.6 / 5 from 268 reviews. Read the watch-outs above before ordering.

Does PSPeptides publish lot-level certificates of analysis?

Yes. PSPeptides lists COAs by lot and names N.A. Diagnostics as the lab. Match the lot number on your vial to the report.

What is PSPeptides' refund policy?

No returns; refund/exchange only for defective, broken or missing items reported within 3 days of delivery with photo+video, or full refund plus test cost if a third-party test shows wrong product or HPLC purity below 80% (claim within 30 days).

Where does PSPeptides ship from?

USA. "Orders ship same or next business day"; "Orders placed before 2 PM EST ship same day"; free UPS 2nd Day Air over $200, Next Day Air over $400

Sources

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