The same checks for everyone
Affiliate status does not change the information we show or how suppliers are ordered.
Research peptide supplier directory
Compare 150 peptide suppliers in one place
Search prices, products, COA access and supplier documents. Affiliate and non-affiliate suppliers are checked by the same standards.
View recent supplier changes →Supplier discovery paths
Move from the indexed directory into specific supplier and comparison pages
These links connect the main supplier hub to deeper research-supplier comparison pages and documentation-led supplier records.
Comparison pages with active supplier coverage
More supplier comparisons
Know how much we reviewed
A full review shows the documents we found. A directory record is only a basic listing.
Not a best-supplier list
Being included does not prove product identity, purity, sterility or suitability.
Research and procurement filters
Filters reflect PDD's dated records, not a supplier's entire current catalog. “In stock” applies to exact tracked listings only.
Master directory
150 suppliers
Alphabetical by default
Adapt Peptides
United States
ReviewedPublic COA noted
Best for: public COA access and documentation-first review.
Blend-focused catalog with component-testing claims that require formula-level verification.
Checked September 12, 2026 · Supplier record and public documentation
Aero Peptides
United States
ReviewedPublic COA notedPrice tracked
Best for: price comparisons plus documented public COA access.
Compact catalog with API-readable product records and exact-strength price tracking.
Checked September 12, 2026 · Supplier record and public documentation
Affiliate link: PDD may earn a commission from qualifying purchases. This does not affect review status or placement.
Allied Research Labs
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Research-compound storefront with peptide and adjacent laboratory-use materials queued for documentation review.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Alpha Star Labs
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Peptide and performance-research storefront requiring identity, purity, and lot-traceability review.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Ameano Peptides
United States
ReviewedPublic COA notedPrice tracked
Best for: price comparisons plus documented public COA access.
Peptide-focused catalog; public-documentation depth remains under review.
Checked September 12, 2026 · Supplier record and public documentation
American Peptides
United States
ReviewedPublic COA noted
Best for: public COA access and documentation-first review.
Public lot-matched COA library with HPLC and mass-spectrometry testing; not an affiliate because its exclusivity requirement does not fit PDD's multi-supplier model.
Checked September 12, 2026 · Supplier record and public documentation
Amino Club
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Active research-peptide catalog with volume-pricing and stock-availability positioning.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Amino Research Co
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Amino and peptide-focused storefront added for broader domestic RUO market coverage.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Amino Science Labs
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
RUO-focused catalog with public product records and batch-analysis claims.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Aminos Research
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Research-use catalog with peptide, amino, and blend positioning.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Apex Amino
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Broad peptide catalog with in-house analytical-testing claims requiring independent review.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Arizen BioLabs
United States
ReviewedPublic COA notedPrice trackedDiscount
Best for: price comparisons plus documented public COA access.
Public COA gallery plus peptide and blend catalog coverage.
Checked September 12, 2026 · Supplier record and public documentation
Reader code: PDD10 · 10% off
Affiliate link: PDD may earn a commission from qualifying purchases. This does not affect review status or placement.
Ascend Science
United States
ReviewedPublic COA notedPrice trackedDiscount
Best for: price comparisons plus documented public COA access.
Large searchable report archive with lot-level multi-panel results on sampled records.
Checked September 12, 2026 · Supplier record and public documentation
Reader code: PDD · 15% off
Affiliate link: PDD may earn a commission from qualifying purchases. This does not affect review status or placement.
Ascension Peptides
United States
ReviewedPublic COA notedPrice tracked
Best for: price comparisons plus documented public COA access.
Product-level referral generator and broad exact-product deep-link coverage.
Checked September 12, 2026 · Supplier record and public documentation
Affiliate link: PDD may earn a commission from qualifying purchases. This does not affect review status or placement.
Avelqor Labs
Switzerland / Europe
ReviewedPublic COA noted
Best for: public COA access and documentation-first review.
Swiss-dispatched storefront with unusually explicit evidence-status labels separating supplier documentation, independent reports, pending lot linkage, and Avelqor-specific testing that has not yet been completed.
Checked September 30, 2026 · Storefront, research catalogue, trust center, batch documentation, testing policy, legal-status disclosure, and RUO compliance
Behemoth Labz
United States
ReviewedCOA review pending
Best for: a completed PDD review with a supplier profile available.
Research peptides sit within a wider performance-research compound catalog.
Checked September 12, 2026 · Supplier record and public documentation
BioCollex Research
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Public COA access and supplier-reported purity, identity, sterility, and batch-traceability coverage.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
BioGenix Peptides
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Peptide-specialist storefront presenting high-purity laboratory and analytical materials.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Biolongevity Labs
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Research peptide and bioregulator catalog with domestic-manufacturing and testing claims.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Biopeptek Pharmaceuticals
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Peptide synthesis and catalog supplier included as a bridge between catalog peptides and custom peptide services.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Biosynergen
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Research-materials storefront with peptide-relevant catalog positioning and pending public-record review.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Biotech Peptides
United States
ReviewedCOA review pending
Best for: a completed PDD review with a supplier profile available.
Peptide-centered catalog with multiple strength options across common research molecules.
Checked September 12, 2026 · Supplier record and public documentation
Blue Ridge Peptides
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Regional research-peptide storefront added for domestic directory completeness.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Blue Sky Peptide
United States
ReviewedPublic COA noted
Best for: public COA access and documentation-first review.
Long-running consumer peptide brand with a substantial public customer-review footprint.
Checked September 12, 2026 · Supplier record and public documentation
Bulk Peptide Supply
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Wholesale-oriented research peptide catalog with bulk-pricing emphasis.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
CanLab Research
Canada
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Canadian research-compound supplier useful for regional sourcing and availability comparisons.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Certa Peptides
United Kingdom
ReviewedPublic COA noted
Best for: public COA access and documentation-first review.
UK-facing catalog that broadens geographic price and fulfillment comparisons.
Checked September 12, 2026 · Supplier record and public documentation
Chameleon Peptides
United States
Availability concernPublic COA noted
Best for: public COA access and documentation-first review.
Historical supplier record retained for transparency. The storefront is no longer usable and the supplier is reported closed; PDD did not redirect this profile to a different company.
Checked September 30, 2026 · Storefront availability and correction request
Storefront inactivePDD review
Coastal Bio Labs
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
In-vitro catalog with current-inventory status and batch records where available.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Coastal Peptides
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Public COA section and supplier-reported independent batch testing.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Core Peptides
United States
ReviewedCOA review pending
Best for: a completed PDD review with a supplier profile available.
Broad catalog and strong visibility among consumer-facing RUO suppliers.
Checked September 12, 2026 · Supplier record and public documentation
Cyan Research
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Research-chemical storefront with peptide-adjacent catalog coverage and pending documentation review.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Direct Peptides
United Kingdom / international
ReviewedCOA review pending
Best for: a completed PDD review with a supplier profile available.
International storefront with region-specific catalog and fulfillment coverage.
Checked September 12, 2026 · Supplier record and public documentation
Direct Sarms
United Kingdom
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
UK-facing research-compound supplier included where peptide listings overlap with the broader RUO wellness market.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Elite Research Labs
United States
ReviewedPublic COA notedPrice tracked
Best for: price comparisons plus documented public COA access.
Veteran-owned research-materials supplier with a public current-batch COA directory, QR-linked vial records, and Freedom Diagnostics reports showing lot identifiers, HPLC-UV purity, LC-MS identity, and measured quantity on the sampled record.
Checked October 4, 2026 · Storefront, exact product pages, RUO restrictions, current-batch COA directory, affiliate disclosure, Freedom Diagnostics lookup path, and sampled Ipamorelin report
Affiliate link: PDD may earn a commission from qualifying purchases. This does not affect review status or placement.
Enhanced Peptides
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Peptide-focused domestic storefront queued for COA, lot-matching, and analytical-panel review.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Eppix Labs
United States
ReviewedPublic COA notedPrice tracked
Best for: price comparisons plus documented public COA access.
Affiliate program offers a choice between cash and higher store-credit commission.
Checked September 12, 2026 · Supplier record and public documentation
Eros Peptides
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Large peptide and bioregulator catalog presented for laboratory research.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Eternal Peptides
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Research catalog claiming multi-panel third-party testing, including contamination assays.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Evolve Peptides
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Broad research-peptide catalog with third-party testing claims.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Excalibur Peptides
United States
ReviewedPublic COA noted
Best for: public COA access and documentation-first review.
Niche RUO catalog; full public-record differentiation review is queued.
Checked September 12, 2026 · Supplier record and public documentation
GeoPeptides
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Research-peptide storefront added for broader price and documentation comparisons.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Glacier Aminos
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Account-gated catalog claiming multi-panel identity, purity, sterility, endotoxin, and metals testing.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Glow Aminos
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Account-gated RUO storefront with independent-testing claims.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Great Northern Peptides
Canada
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Canadian research supplier with public documentation and regional fulfillment relevance.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Helion Research
United States
ReviewedPublic COA notedPrice trackedDiscount
Best for: price comparisons plus documented public COA access.
U.S.-only research supplier with a public lot-level COA portal that clearly marks both published and pending reports.
Checked October 13, 2026 · Storefront, exact product pages, COA portal, sampled report status, RUO restrictions, pricing, availability, and affiliate disclosure
Reader code: PDD10 · 10% off
Affiliate link: PDD may earn a commission from qualifying purchases. This does not affect review status or placement.
Helix Research
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Research-materials storefront with peptide-relevant catalog coverage requiring source verification.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Honest Peptide
United States
ReviewedPublic COA noted
Best for: public COA access and documentation-first review.
Transparency-led brand positioning that will be tested against accessible records.
Checked September 12, 2026 · Supplier record and public documentation
Innovagen
Sweden
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Peptide and antibody-service company included for international catalog context, not consumer-style ranking.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
LabSource Peptides
United States
Directory recordDirectory only
Best for: quick directory discovery before deeper documentation review.
Peptide-oriented storefront added for public documentation and catalog-depth review.
Checked September 12, 2026 · Storefront identity, domain, region, and RUO relevance
Scope: This directory covers consumer-facing suppliers marketing materials for qualified laboratory and in-vitro research. It excludes clinical providers, pharmacies, CDMOs, and institutional peptide manufacturers. A listing is not a recommendation, safety finding, or “PDD vetted” designation.