Peptide Warehouse
A·84US-manufactured catalog with broad non-GLP coverage and free domestic shipping.
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- Testing methods
- HPLC purity (≥99%)
- Testing lab
- Not publicly disclosed.
- Most recent COA
- Not publicly posted.
- OpenAssay score ↗
- — pending integration with openassay.org.
- Testing transparency27/40
Public 7-category testing rubric grade plus disclosed testing methods plus a named third-party lab. The full range is gated on the vendor publicly naming the tests they run; a high rubric grade without disclosure caps at 18 of 40.
- Operational & regulatory standing22/25
Reflects FDA actions, payment-processor issues, ownership uncertainty, closures, and editorial audit notes the vendor-risk monitor has surfaced. A recent published COA earns a small bonus on top of the operational base.
- Operational stability15/15
Vendor age. 5+ years of operation earns full points; 1 year or less earns minimal credit. Absent foundedYear earns a neutral default; absence of data is not proof of risk.
- Verification tier10/10
Editorial tier assignment based on documentation completeness, response to corrections, and presence of verifiable business address. Tier 1 vendors meet the highest bar.
- Price discipline10/10
Heuristic check on aggressive discounting. Reasonable codes (<=25%) earn full points; 25-40% earns half; >40% off list often signals inventory clearance or churn and earns zero.
Editorial read of how this vendor lands today
Phase-1 community-sentiment write-up — Pepticker editorial's read of forum activity (r/Peptides, our Discord, prior incidents) at the date below. Not a user-submitted review. The 7-category rubric scoring and trust score are computed separately.
Peptide Warehouse ships free domestically, maintains ≥99% HPLC purity documentation, and specializes in non-GLP peptides — making it the quiet value leader for classic research staples in the tier-1 US market.
Why we recommend Peptide Warehouse
Peptide Warehouse (founded 2020) offers free domestic shipping on a US-manufactured catalog with ≥99% HPLC purity documentation — a combination that makes it structurally difficult to beat on per-unit economics for classic peptide staples. Free shipping eliminates the $8-13 freight cost that most tier-1 peers add to every order, and the ≥99% threshold exceeds the informal 98% floor most vendors silently use. Testing score: 6.0 out of 7. Discount code PW10 adds another 10%. We assess Peptide Warehouse using Pepticker's 7-criterion methodology (https://pepticker.com/methodology), and its combination of free shipping, US manufacturing, and documented purity earns a clear recommended verdict.
Testing & COA practices
HPLC purity at ≥99% is the documented testing standard. The ≥99% commitment is the same threshold used by Peptide Partners (via Finnrick Analytics) — a meaningful quality signal even without a named external lab. US-manufactured provenance adds a supply-chain transparency dimension that import-reliant vendors cannot match. COAs were confirmed active on product pages as of our April 2026 verification round.
Shipping, quality, and customer service
Free domestic shipping is the standout logistics advantage — Peptide Warehouse is one of a small handful of tier-1 US vendors that charges no freight. For BPC-157, TB-500, and similar classic research staples, this meaningfully lowers the effective cost compared to vendors charging $8.95-12.99. Customer service signals in our monitoring are positive: no pattern of fulfillment delays or unresolved disputes has emerged for this vendor. US manufacturing means shorter domestic supply chains and reduced international shipping risk on raw materials.
Product range and pricing
The catalog focuses on non-GLP classic research peptides: BPC-157, TB-500, Thymosin Alpha-1, growth hormone secretagogues, and the longevity tier. The US-manufacturing emphasis means the GLP-1 catalog may be narrower than import-reliant competitors. Free domestic shipping with code PW10 at 10% off represents one of the strongest landed-price positions we can point to for tier-1 HPLC-documented peptides.
Where they fall short
No mass-spec identity, sterility, or endotoxin testing documented — single-panel HPLC is the ceiling. GLP-1 coverage is not the catalog's strength. No international warehousing. Founded 2020, so the community track record is four years versus Core Peptides' nine. No named external testing lab means COA claims are vendor-stated rather than third-party attributed.
Bottom line
Peptide Warehouse is the best value proposition for US researchers buying classic non-GLP peptides: ≥99% HPLC documentation plus free shipping plus a discount code creates a hard-to-beat landed price. For GLP-1 compounds or four-panel testing depth, look elsewhere. For BPC-157, TB-500, and the recovery/longevity staples, start here. See our full scoring methodology at https://pepticker.com/methodology. Use code PW10.
- ✓Identity verified
- ✓Net content confirmed
- ✓Net purity ≥ 97%
- ✓Endotoxin tested
- ✓Sterility tested
- ✓Heavy metals screened
- ·Conformity documented
Our vendor-risk monitor tracks closures, payment-processor issues, FDA actions, and community sentiment. No active issues detected.
PW1010% offTracked SKUs
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More on Peptide Warehouse & similar vendors
- BioLongevity Labs— Tier 1 · score 6.0/7
- Core Peptides— Tier 1 · score 6.5/7
- Ascension Peptides— Tier 1 · score 5.5/7