USA Peptide Depot (usapeptidedepot.com): New Research Peptide Supplier Spotlight

Key takeaways

A press release dated 4 November 2026 says Peptides Costa Rica opened USA Peptide Depot as a US supply operation. The domain was registered on 11 September 2026.
The site names the operator as USAPD LLC, with an operations and fulfilment address in Salinas, California, and ships within the United States only.
Its COA database covers 22 distinct lot numbers, with reports attributed to two labs: Janoshik Analytical and Freedom Diagnostics Testing.
The returns policy offers a purity reimbursement when an independent lab reports a purity below the published figure. Neutral spotlight: no rating and no recommendation.

What is USA Peptide Depot?

USA Peptide Depot is a US supplier of lyophilised peptides sold for in-vitro laboratory research only. Its policies say it is “operated by USAPD LLC” and that its materials “are not drugs and are not intended for human or veterinary use” (shipping policy) Observed. A 4 November 2026 press release from Peptides Costa Rica describes it as “a new supply operation dedicated to providing HPLC-tested research peptides shipped from within the United States” (press release) Company claim.

When did USA Peptide Depot launch?

Evidence	Date	Source
Domain registration (RDAP)	11 September 2026	rdap.org
Shipping and returns policies “last updated”	September 2026	shipping; returns
Launch press release (Jacó, Puntarenas)	4 November 2026	Press Advantage

The press release names Joey Webster, Director of Operations at Peptides Costa Rica, as the spokesperson Company claim. The USA Peptide Depot site itself does not mention Peptides Costa Rica on the pages we read, and its leadership page says named biographies “are being finalized” (team page) Observed.

What does USA Peptide Depot say it offers?

Catalogue by research area: categories include metabolic and receptor, tissue and cellular, copper peptide, growth hormone signalling, neuropeptide, immunology and bioregulator research, plus laboratory supplies Observed. Some products use abbreviated names. A line listed as “GLP-1 (RT)” links to a COA file named for retatrutide (product page) Observed. Retatrutide’s regulatory position is covered in is retatrutide legal?
Volume pricing: 10% off 3+ vials, 15% off 5+ and 20% off 10+, with free shipping over $199 (home) Observed.
Lot-matched documentation: “Reports are published per lot”, and buyers are told to match the lot on the label to the report (COA database) Company claim.
Purity reimbursement: if an independent lab chosen by the buyer reports purity below the published figure for that lot, the company says it refunds the item and the test cost. Claims must be raised within 60 days and include the full report and method (returns policy) Company claim.

What can you see on the site?

Item	What we saw on 11 Nov 2026
COA labs	22 distinct lot numbers in the database data, with reports attributed to Janoshik Analytical (the majority) and Freedom Diagnostics Testing Observed. See Freedom Diagnostics Testing in our testing facilities directory
Example product record	KPV 10mg: HPLC purity 98.798% for the lot shown, with a Janoshik report key for verification on janoshik.com (product page) Observed
Methods named	RP-HPLC with ESI-MS (Janoshik records), HPLC-UV with LC-MS (Freedom Diagnostics records), as listed in the database Observed
RUO language and age gate	On every page read. 21+ age confirmation. The contact page says it does not answer questions about human administration or medical advice (contact) Observed
Buyer eligibility	“Orders are accepted only from research institutions, universities, licensed researchers and other qualified laboratory purchasers”, with possible verification before dispatch (shipping policy) Company claim
Shipping	United States only. Lyophilised material ships at ambient temperature, with no cold chain as standard Observed
Contact	USAPD LLC, 1944 N Main Street #1001, Salinas, CA 93906; info@usapeptidedepot.com; 833-612-4848 (contact) Observed
Tools	The site links a concentration tool, and the press release mentions a reconstitution calculator Observed

Purity and identity are only part of a full testing panel. See how to verify a peptide COA.

What could not be verified?

The Janoshik and Freedom Diagnostics reports on the labs’ own verification portals. We did not complete a lookup. Could not independently verify.
Whether the lots tested match the lots currently shipped. Could not independently verify.
The ownership relationship between USAPD LLC and Peptides Costa Rica beyond the press release. Could not independently verify.
How buyer eligibility is checked in practice, and how purity reimbursement claims are handled. Could not independently verify.
The original manufacturer of the peptides. It is not named on the pages we read. Could not independently verify.

Research-use-only status depends on how a product is marketed and sold, not only its label. See RUO vs compounded vs FDA-approved peptides. USA Peptide Depot does not yet have a profile in our company index. The company can claim or request a profile.

Sources

Press Advantage, Peptides Costa Rica Launches USA Peptide Depot for Research-Grade Supply, 4 November 2026 (GlobeNewswire copy blocked automated access)
RDAP record for usapeptidedepot.com
USA Peptide Depot: home · about · team · COA database · quality standards · shipping · returns · contact · KPV product page

Checked 11 November 2026. Company statements are labelled as claims. This spotlight is not a recommendation to buy and not medical advice.

Reader Question

“Is USA Peptide Depot connected to Peptides Costa Rica?”

Short Answer

A press release dated 4 November 2026 says Peptides Costa Rica opened it. The site names USAPD LLC as the operator and does not mention Peptides Costa Rica on the pages we read.

Practical Recommendation

Match the lot number on any vial to the lot in the COA database before relying on a report.
Use the lab’s own verification portal, with the report key, to confirm a COA.
Read the buyer-eligibility terms in the shipping policy before ordering.

What we learned

A purity-reimbursement promise is a useful signal only if it is specific. This one names the trigger (below the published lot figure), the evidence required (full report and method) and a deadline (60 days). Whether claims are honoured is something only buyers’ experience can show.

Frequently asked

Who operates USA Peptide Depot?

USAPD LLC, according to the site’s policies and contact page. A November 2026 press release says Peptides Costa Rica opened it as a US supply operation.

Which labs test USA Peptide Depot’s products?

Its COA database attributes reports to Janoshik Analytical and Freedom Diagnostics Testing. We did not verify individual reports with the labs.

Where does USA Peptide Depot ship?

Within the United States only, according to its shipping policy.

Is USA Peptide Depot new?

Its domain was registered on 11 September 2026, and its launch was announced on 4 November 2026.

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USA Peptide Depot (usapeptidedepot.com): New US Research Peptide Supplier (Launched November 2026)