How we rate
Documentation first
We weigh readable, lot-specific COAs, site clarity, research-use framing, and buyer risk such as hard-to-reverse payment methods. Read the full methodology.
Independent reviews + hands-on orders
Peptide Supplier Database: compare 20 suppliers
Search 20 research peptide suppliers by compound, published COAs, price, and shipping. Every listing has a review, and we place real orders to check what suppliers actually send.
20suppliers listed
17publish COAs
2orders we received
Browse by compound
Jump straight to suppliers that highlight a compound.
Highest-rated suppliers
Ranked by our review rating. Ratings reflect documentation, clarity, and buyer risk, not paid placement.
Mid-range · Published COAs
BioInfinity Lab ★★★★★
A broad-catalog supplier with visible purity language and shipping reassurance built into the shopping flow.
Mid-range · Published COAs
EVO Labs Research ★★★★★
A useful addition for visitors who specifically want visible testing posture paired with same-day fulfillment language.
Mid-range · Published COAs
Solira Lab ★★★★★
A strong directory addition for buyers who want testing cues surfaced directly alongside the catalog.
Mid-range · Published COAs
Vorix Labs ★★★★★
Brij Technologies LLC DBA Vorix Labs.
Budget · Published COAs
Amino Club ★★★★☆
One of the easiest suppliers to position for first-time researchers and price-sensitive shoppers.
Premium · Published COAs
Aeterion Peptides ★★★★☆
A premium-style listing for visitors who want a cleaner storefront and quality-first product presentation.
Hands-on checks
We order when we can
Suppliers marked "Ordered & received by us" were bought and delivered, and we reviewed the COA that came with them. Other listings are reviewed from public pages and say so.
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Suppliers can request a listing, or pay for a clearly labeled sponsored placement at the top of the database. Sponsorship never changes a rating. Contact us.
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PeptideSuppliers.org does not sell peptides, provide medical advice, or recommend human use. Some links are affiliate links; see our disclosure.