Four-panel-tested catalog with the strongest testing transparency in the tracked set.
- Sterility tested
- Endotoxin tested
- Sentiment current
- Testing
- HPLC purity · Mass spec identity +2
- Lab
- Not disclosed
- Latest
- Not disclosed
- — pending
Sorted by testing score. Each vendor is measured on a public 7-category rubric covering identity, purity, sterility, and batch-conformity documentation.
Trust evidence, COA freshness, lab disclosure, OpenAssay status. Same 7-category rubric we publish on every vendor page.
Four-panel-tested catalog with the strongest testing transparency in the tracked set.
Australia's only GMP-accredited peptide manufacturer; primarily a B2B supplier.
Long-running US retailer with a strong community reputation for quality.
Independently audited catalog with verified ≥99% purity on flagship SKUs.
Eight-country domestic warehousing with COAs published per batch.
ISO 17025-accredited testing through a Scottsdale, Arizona laboratory.
EU retailer publishing per-batch COAs and pharma-grade testing claims.
Broad catalog covering 5-Amino-1MQ, GLP-1s, and classic research peptides.
Broad-catalog research-chemical retailer with multi-category coverage.
US retailer with active customer reviews and a broad mid-tier catalog.
GLP-1 specialist with deep Semaglutide, Tirzepatide, and Retatrutide coverage.
US-manufactured catalog with broad non-GLP coverage and free domestic shipping.
US retailer with sister-brand storefronts and a mid-tier testing reputation.
US retailer with a mid-tier testing reputation.
Originally a SARMs vendor; now expanding into peptides under the same compliance posture.
EU-based retailer with strong intra-EU shipping economics.
Established UK retailer serving universities and labs since 2012, with domestic shipping.
Molecular Solutions Peptides — publishes per-product COAs across the catalog.
Advertises seven-panel batch testing with QR-traceable per-batch COAs.
Same-day shipping from San Diego with ISO 17025 third-party batch COAs.
B2B-friendly supplier serving research labs and academic institutions.
Canada-domestic retailer publishing HPLC and mass-spec testing.
Markets ≥99.9% purity with third-party testing and per-product COAs.
Advertises ≥99% third-party batch testing across the catalog.
US-based retailer advertising third-party lab testing.
These vendors do not currently publish specific testing methods or third-party COAs on their public storefronts. They remain listed for price transparency, but our rubric does not yet have evidence to score them on identity, purity, or sterility.
Storefront went offline in early 2026; the slot is preserved so older outbound links resolve cleanly.
Longevity-focused US retailer with broad NAD+ and senolytic coverage.
US retailer with a broad research-peptide catalog and fast domestic shipping.
GLP-1-forward catalog with newer compounds like Tesofensine alongside the staples.
US retailer; .com storefront unreachable as of May 2026 (DNS resolves, TCP timeout). The .net mirror remains operational and is tracked separately.
Storefront went offline in spring 2026 (NXDOMAIN); the slot is preserved so older outbound links resolve cleanly.
One of the longest-operating US peptide retailers, with 90+ compounds across 13 categories.
Budget-leaning catalog with one of the lowest entry-tier BPC-157 prices we track.
Cyprus-based EU retailer; storefront went offline in spring 2026 (NXDOMAIN). Slot preserved so older outbound links resolve cleanly.
Budget-tier US retailer; among the lowest BPC-157 prices we currently track.
US retailer with a broad classic-and-modern catalog including Thymosin Alpha-1.
Sister storefront to Glow Aminos with an account-gated catalog.
Hybrid supplement and research-peptide retailer aimed at a performance audience.
Pre-mixed blends, stacked products, and frequent-buyer pricing.
Storefront went dark in spring 2026; the slot is preserved so older outbound links resolve cleanly.
Newer US-based brand with a focused starter catalog.
European retailer with a multi-language storefront.
Australian-domestic supplier; subject to TGA restrictions.
UK-friendly retailer that bridges EU and UK shipping.
US retailer with broad bulk-pack and multipack offerings.
US retailer with a blend-heavy catalog and stacked-vial products.
US retailer with a focused starter catalog.
US retailer with a focused starter catalog.
US retailer with a focused starter catalog.
US retailer with a focused starter catalog.
US retailer with a focused starter catalog.
US retailer with a focused catalog.
Young US retailer claiming ≥99% purity with third-party COAs.
A .net storefront unrelated to the closed Renova Peptides .com domain; ownership relationship unconfirmed.
GLP-1-forward catalog with a focused Tirzepatide / Tesamorelin / IGF-1 LR3 lineup.
Australian retailer with a small domestic catalog.
Carrying an active FDA warning letter regarding 2024 GLP-1 marketing claims; listings retained for transparency.
US retailer that emphasizes purity claims and quick domestic shipping.
US retailer that also publishes its own vendor-comparison content.
UK retailer with an in-house editorial blog.
Canada-based retailer; storefront went offline in spring 2026 (NXDOMAIN). Slot preserved so older outbound links resolve cleanly.
Canadian retailer; storefront unreachable as of May 2026 (DNS resolves, TCP timeout). Slot preserved so older outbound links resolve cleanly.
Retatrutide-focused branding with a small US catalog.
US retailer with a small budget-tier catalog.
US retailer with a starter catalog.
Largest combo-pack catalog in the budget tier we track.
Budget-tier retailer with a deep storefront; testing claims still being verified.
A separate .net storefront from Modern Research Peptides; ownership relationship unconfirmed.
Account-gated US storefront with a mixed in-house and external catalog.
Ships domestically from a US warehouse despite a non-US TLD.
Newer US retailer with an account-gated storefront.
Accessory-heavy catalog including bacteriostatic-water variants.
Hardware-only — reusable peptide injection pens and reconstitution accessories.
Cosmetic-peptide brand: GHK-Cu serums, scalp formulas, and topical products.
Newer hybrid retailer-and-comparison surface; positioning still being verified.
Hybrid retailer-and-guide site; positioning still being confirmed.
Marketing-forward US retailer with a content-funnel posture.
Catalog skews to large-vial cosmetic raws; positioning still under review.
Hardware-only — 3D-printed vial cases and reconstitution stations.
Hardware-only — reusable injection pens and replacement cartridges.
Ancillary services — at-home blood-panel testing for self-monitoring; not a peptide retailer.