54 studies on Semax curated from PubMed, ClinicalTrials.gov, and EuropePMC. Updated daily.
Bottom line: TitrateLab indexes 1,733 published Semax COA source records from third-party laboratories, covering 694 publicly attributable vendor identities. Across 1,570 records with positive numeric purity, the arithmetic mean is 99.44%. 0 records report zero purity; these remain in the record count and are excluded from the positive-purity mean. 0 positive purity results are below 90%; 29 records report measured amount more than 10% below the label. The latest recorded test date is 2026-10-14. TitrateLab did not perform these laboratory tests. Source records are not unique batches, and vendor identity does not establish manufacturing role, product safety or overall quality.
As of 2026-10-18, vendor-blind retail asking-price averages for the US delivery market, calculated from the same in-stock exact-strength cells as the Peptide Price Index. Shipping is excluded.
| Strength | Average / vial | Observed range / vial | Average / mg | Coverage |
|---|---|---|---|---|
| 5 mg | $6.00 | $5.00–$6.50 | $1.20 | 3 sources · 3 offers |
| 10 mg | $10.12 | $9.00–$12.00 | $1.01 | 4 sources · 4 offers |
| 30 mg | $16.00 | $16.00–$16.00 | $0.53 | 1 source · 1 offer |
Asking prices are not manufacturing cost and do not establish product equivalence, quality, safety, or legality. View full price methodology →
All published source records, including absent and zero purity. Matching uses a case-insensitive exact peptide token. No deduplication in the headline; vendor rankings deduplicate eligible certificates separately. The COA archive can use normalized compound names and a different measurement or duplicate policy; totals from these populations need not match.
Latest recorded test: 2026-10-14. Aggregate calculated: 2026-10-18T16:34:42.181101+00:00. Calculation time is not a laboratory observation date.
Within that total, 544 source records have unresolved vendor identity. They remain in corpus-level lab evidence and are excluded from named-vendor rankings.
Eligible vendors have at least 2 deduplicated certificates and 2 classifiable identity observations. Rank uses the 95% lower confidence bound on clean identity results; mean positive purity and certificate count break ties. Missing measurements are not passes. Exact-zero/not-detected and explicit wrong-compound markers count once per adverse certificate. This describes submitted-sample evidence, not every product or shipment, and is not an endorsement.
| Rank | Vendor | Deduplicated certificates | Avg positive purity | Identity adverse results | |
|---|---|---|---|---|---|
| #1 | 30 | 99.31% | 0 of 23 (0.0%) 0 0% / not detected · 0 wrong compound · 7 unclassified | Reveal with Pro → | |
| #2 | 16 | 99.32% | 0 of 16 (0.0%) 0 0% / not detected · 0 wrong compound | Reveal with Pro → | |
| #3 | 14 | 99.51% | 0 of 14 (0.0%) 0 0% / not detected · 0 wrong compound | Reveal with Pro → |
Vendor identities are included with Pro. Record counts and lab measurements remain visible.
Recent source records: #120432 (99.36%) · #119431 (99.6%) · #120548 (99.25%) · #119233 (99.88%) · #120534 (99.39%) · #120490 (99.9%)
This research highlights the potential of Selank as a therapeutic agent for managing non-motor symptoms, specifically anxiety, in Parkinson's disease, even in the presence of significant neurodegeneration. The fact th…
The presence of unapproved research peptides like Selank and Semax in seized products highlights a significant regulatory blind spot and potential public health risk. For peptide users and biohackers, this serves as a…
This research provides crucial insights into the neurobiological mechanisms underlying the known anxiolytic and nootropic effects of Selank and Semax. Understanding how these peptides modulate specific brain networks …
These compelling results indicate that Semax possesses significant neuroprotective and cognitive-enhancing properties in a relevant animal model of ischemic stroke. The observed reductions in infarct volume and improv…
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