Independent research supplier data
This peptide supplier comparison brings current catalog pricing, customer-review signals, listing breadth, and verification evidence into one research-focused view. Use the supplier table to compare the median validated price per milligram across each seller's in-stock catalog, combined on-site and Trustpilot review counts, active listing totals, platform verification, and published certificate of analysis availability. Below it, the peptide price table shows lowest and median offers for frequently researched compounds, with links to product-level comparisons where package size, stock, testing, and price freshness can be inspected in context. No supplier can pay to change its measured fields or ranking. Prices are snapshots rather than quotes, and verification is an evidence signal rather than a guarantee of product quality. Check the linked supplier profile and batch-specific documentation before making a research purchasing decision. Peptides.SO covers laboratory research products only; listings are not for human consumption, and this information is not medical advice.
Peptides.SO provides a comparison table of 10 research suppliers, ranked by verification, combined on-site and Trustpilot review count, and listing diversity. Average price is represented by the median validated price per milligram across each supplier's in-stock catalog so unusual package sizes do not skew the result.
| Supplier | Avg price ($/mg) | Reviews | Listings | Verification status |
|---|---|---|---|---|
| PureRawz | Not available | 4 | 352 | Verified supplier |
| Hydro Research | $9.00/mg | 3 | 81 | Not verified |
| Trusted Peptides | $5.90/mg | 0 | 26 | Not verified |
| CPC Scientific | Not available | 4 | 1,197 | Not verified |
5 products in this category
We start with active public supplier profiles that have at least one catalog listing. The top-ten supplier table follows a deterministic ranking: verified profiles come first, followed by combined on-site and Trustpilot review count, listing diversity, and an alphabetical slug tie-breaker. A supplier cannot buy a higher position. This ordering rewards a documented operating history and a catalog broad enough to compare, while avoiding a subjective editorial score that would be hard for readers to reproduce.
The price column uses each supplier's median validated price per milligram across in-stock listings, rather than averaging sticker prices from different vial sizes. We only normalize rows whose unit and price relationship passes validation; kits and unlabelled packages display as unavailable instead of distorting the comparison. Review totals combine published Trustpilot counts with visible Peptides.SO reviews. Verification status and certificate of analysis availability are separate signals: platform verification identifies the supplier account, while a linked COA indicates published testing evidence. Neither signal guarantees every batch or substitutes for reviewing current documentation.
Catalog feeds are re-synced throughout the day where suppliers permit automated access. We review the comparison weekly for changes to prices, stock, and listing counts, and monthly for verification, review sources, COA links, and methodology. Product-level tables pool active listings under canonical peptide pages so dosage variants do not fragment the answer. All figures are snapshots of public data for laboratory research products only, not endorsements, medical guidance, or guarantees of availability.
We include active, public supplier profiles with current catalog listings. The table uses a deterministic order based on verification first, then combined on-site and Trustpilot review count, listing diversity, and supplier slug as a final tie-breaker. Suppliers cannot pay to change these comparison fields or their position.
A verified supplier has completed the platform verification process. We show COA availability separately because verification does not guarantee that every listing has batch-specific laboratory documentation. Readers should inspect the supplier profile and the evidence attached to the product they are comparing.
Catalog prices are re-synced throughout the day where suppliers permit automated access, and the comparison is reviewed weekly for price and listing changes. Supplier verification, review, and methodology fields receive a broader monthly review.
Compare active research suppliers by normalized $/mg, testing evidence, reviews, stock, and price freshness.
Every canonical price-comparison page we publish, A to Z. All listings are for research purposes only.
| Peptide Pros | Not available | 4 | 230 | Not verified |
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| Paramount Peptides | Not available | 4 | 172 | Not verified |
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| Top Peptides | $5.50/mg | 4 | 79 | Not verified |
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| Evolve Peptides | Not available | 4 | 78 | Not verified |
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| Elite Biogenix | $5.00/mg | 4 | 77 | Not verified |
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| Peptira | Not available | 4 | 76 | Not verified |
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“Avg price” is a catalog median, not a quote for a particular compound. Open a supplier profile or a peptide price page to compare current product-level offers. All products are for laboratory research purposes only and are not for human consumption.
