{
  "verifiedOn": "2026-11-06",
  "compound": "KLOW peptide",
  "slug": "klow",
  "products": [
    {
      "id": "vial",
      "title": "KLOW 80 mg vial",
      "shortName": "80 mg vial",
      "format": "Freeze-dried blend powder",
      "totalMg": 80,
      "amountLabel": "50 mg GHK-Cu + 10 mg BPC-157 + 10 mg TB-500 + 10 mg KPV · 80 mg total",
      "ingredientAmountsMg": {
        "GHK-Cu": 50,
        "BPC-157": 10,
        "TB-500 (full-length thymosin beta-4)": 10,
        "KPV": 10
      },
      "ratioByMass": "5:1:1:1",
      "ratioOrder": [
        "GHK-Cu",
        "BPC-157",
        "TB-500",
        "KPV"
      ],
      "concentrationMgMl": null,
      "fillVolumeMl": null,
      "unitCount": 1,
      "unitName": "vial",
      "perUnitMcg": 80000,
      "preparation": "Freeze-dried powder. Final mixed volume determines the liquid concentration.",
      "mixingRequired": true,
      "preparationDiluent": null,
      "preparationDiluentVolumeMl": null,
      "preparationHandling": "Add the method-specified diluent slowly against the vial wall; do not shake.",
      "storage": "Sealed powder: −20°C (−4°F), desiccated and protected from light.",
      "storageTemperatureC": -20,
      "storageTemperatureF": -4,
      "afterPreparationStorage": "2–8°C (36–46°F), protected from light.",
      "afterPreparationUseLimit": null,
      "lot": "PL-2609-057",
      "coaId": "blend",
      "coaCoverage": "Two sampled units of the named freeze-dried powder lot",
      "coaLinkLabel": "Open redacted vial COA",
      "displayCoaLabel": "Redacted vial COA",
      "coaScopeNote": "Certificate for two sampled powder vials from lot PL-2609-057.",
      "photoFile": null,
      "price": null,
      "checkoutUrl": null,
      "availability": null,
      "keyDifference": "80 mg of powder. Liquid concentration depends on final volume; the 5:1:1:1 ingredient ratio stays fixed.",
      "measurement": "4 mg total blend contains 2.5 mg GHK-Cu and 0.5 mg each of BPC-157, TB-500 and KPV by label composition.",
      "ingredients": [
        "GHK-Cu (Gly-His-Lys copper(II) complex)",
        "BPC-157",
        "N-acetyl thymosin beta-4, full-length 43-residue peptide",
        "KPV (Lys-Pro-Val)"
      ],
      "excipients": null,
      "counterIon": null,
      "appearance": "Blue freeze-dried cake",
      "packageContents": [
        "One sealed glass vial with rubber stopper and aluminium crimp cap"
      ],
      "additionalAccessories": null,
      "specificationBasis": "Product specifications, safety data sheet PL-SDS-095, and supplied redacted certificate PL-26-00057.",
      "labelAmountVsAssay": "80 mg is the label claim. The report gives identity and HPLC area purity, without a separate quantitative fill-content assay.",
      "intendedUse": "Laboratory research material; not a medicine for human use.",
      "coaFile": "klow-blend-lot-pl-2609-057-coa-redacted.pdf"
    },
    {
      "id": "pen",
      "title": "KLOW 240 mg prefilled pen",
      "shortName": "240 mg pen",
      "format": "Prefilled 3 mL cartridge and pen",
      "totalMg": 240,
      "totalAmountBasis": "Nominal label total: 3 mL × 80 mg/mL",
      "amountLabel": "240 mg total · 3 mL · 80 mg/mL",
      "ingredientAmountsMg": {
        "GHK-Cu": 150,
        "BPC-157": 30,
        "TB-500 (full-length thymosin beta-4)": 30,
        "KPV": 30
      },
      "ingredientConcentrationsMgMl": {
        "GHK-Cu": 50,
        "BPC-157": 10,
        "TB-500 (full-length thymosin beta-4)": 10,
        "KPV": 10
      },
      "ratioByMass": "5:1:1:1",
      "ratioOrder": [
        "GHK-Cu",
        "BPC-157",
        "TB-500",
        "KPV"
      ],
      "concentrationMgMl": 80,
      "concentrationBasis": "Label concentration",
      "fillVolumeMl": 3,
      "unitCount": 1,
      "unitName": "pen",
      "perUnitMcg": 240000,
      "perClickMcg": null,
      "perClickMl": null,
      "deviceScale": {
        "provenance": "Device scale supplied by the site owner; not independently confirmed from a manufacturer instruction sheet.",
        "markedUnitsPerCartridge": 300,
        "markedUnitVolumeMl": 0.01,
        "totalBlendMgPerMarkedUnit": 0.8,
        "ingredientMgPerMarkedUnit": {
          "GHK-Cu": 0.5,
          "BPC-157": 0.1,
          "TB-500": 0.1,
          "KPV": 0.1
        },
        "mechanicalClicksPerMarkedUnit": null,
        "note": "A marked unit is a volume increment for this specified scale. It is not a potency IU. No one-click-to-one-unit equivalence is assumed."
      },
      "preparation": "Already in solution; no powder mixing or added water.",
      "mixingRequired": false,
      "storage": "2–8°C (36–46°F), in the original carton and protected from light. Do not freeze.",
      "storageTemperatureC": [
        2,
        8
      ],
      "storageTemperatureF": [
        35.6,
        46.4
      ],
      "inUseStorage": "Keep capped and refrigerated at 2–8°C (36–46°F), protected from light.",
      "inUseLimit": null,
      "discardConditions": "Discard if frozen, cloudy, or changed in colour from the normal clear blue to blue-violet solution.",
      "lot": null,
      "coaId": "blend",
      "coaCoverage": "Supplied powder-lot report displayed for reference; no finished-cartridge test supplied",
      "coaLinkLabel": "Open redacted blend-lot COA",
      "displayCoaLabel": "Redacted blend-lot COA",
      "coaScopeNote": "Same powder-lot report as the vial. Finished-pen content, sterility and stability are not tested in this document.",
      "coaLotLinkageConfirmed": false,
      "photoFile": null,
      "price": null,
      "checkoutUrl": null,
      "availability": null,
      "keyDifference": "Three times the vial’s label content, already dissolved in a 3 mL cartridge at 80 mg/mL.",
      "measurement": "The supplied device scale is 0.01 mL per marked unit: 0.8 mg total blend at 80 mg/mL. Mechanical click calibration is not confirmed.",
      "ingredients": [
        "GHK-Cu (Gly-His-Lys copper(II) complex)",
        "BPC-157",
        "N-acetyl thymosin beta-4, full-length 43-residue peptide",
        "KPV (Lys-Pro-Val)",
        "Water",
        "Benzyl alcohol 0.9% w/v"
      ],
      "excipients": [
        {
          "ingredient": "Water",
          "amount": "Balance of solution"
        },
        {
          "ingredient": "Benzyl alcohol",
          "percentWeightVolume": 0.9
        }
      ],
      "counterIon": null,
      "appearance": "Clear blue to blue-violet solution",
      "packageContents": [
        "One prefilled 3 mL glass cartridge in an autoinjector pen with a fitted needle"
      ],
      "additionalAccessories": null,
      "extraNeedleCount": null,
      "specificationBasis": "Product specifications and safety data sheet PL-SDS-096, revision 1.0 dated 3 October 2026. Marked-unit scale supplied separately by the site owner.",
      "labelAmountVsAssay": "240 mg is the label total; no finished-pen quantitative content assay is supplied.",
      "intendedUse": "Laboratory research material; not a medicine for human use.",
      "coaFile": "klow-blend-lot-pl-2609-057-coa-redacted.pdf"
    }
  ],
  "coas": [
    {
      "id": "blend",
      "productId": "vial",
      "displayForProductIds": [
        "vial",
        "pen"
      ],
      "title": "KLOW blend — powder lot PL-2609-057",
      "file": "klow-blend-lot-pl-2609-057-coa-redacted.pdf",
      "preview": "klow-blend-lot-pl-2609-057-coa-redacted-page-1.png",
      "pageCount": 2,
      "lot": "PL-2609-057",
      "certificateNumber": "PL-26-00057",
      "labelClaim": "50 mg GHK-Cu + 10 mg BPC-157 + 10 mg TB-500 + 10 mg KPV (80 mg total per vial)",
      "sampleDescription": "Lyophilized co-blend powder",
      "purityPercent": 99.66,
      "purityMethod": "RP-HPLC, UV 214 nm; sum of the four component peak-area percentages",
      "componentPeakAreasPercent": {
        "GHK-Cu": 62.38,
        "KPV": 12.23,
        "BPC-157": 12.37,
        "TB-500": 12.68
      },
      "componentPeakRetentionTimesMin": {
        "GHK-Cu": 2.2,
        "KPV": 3.31,
        "BPC-157": 4.68,
        "TB-500": 6.08
      },
      "largestImpurityPercent": 0.11,
      "largestImpurityRetentionTimeMin": 5.35,
      "identityMassDa": {
        "GHK-Cu": 402.1,
        "BPC-157": 1419.8,
        "TB-500": 4963.7,
        "KPV": 342.6
      },
      "identityMethod": "LC-MS, positive electrospray ionization; all four components within ±1.0 Da of theoretical mass",
      "theoreticalMassDa": {
        "GHK-Cu": 401.9,
        "BPC-157": 1419.6,
        "TB-500": 4963.5,
        "KPV": 342.4
      },
      "sequence": {
        "GHK-Cu": "H-GHK-OH · Cu(II), 1:1 copper complex",
        "BPC-157": "H-GEPPPGKPADDAGLV-OH",
        "TB-500": "Ac-SDKPDMAEIEKFDKSKLKKTETQEKNPLPSKETIEQEKQAGES-OH",
        "KPV": "H-KPV-OH"
      },
      "ghkCuIdentity": "Gly-His-Lys copper(II) complex; 1:1 GHK:copper. The labelled mass is the whole complex, not elemental copper alone.",
      "tb500Identity": "Full-length N-acetyl thymosin beta-4; 43 residues; free C-terminus",
      "waterPercent": 2.1,
      "waterMethod": "Karl Fischer",
      "endotoxinEUPerMg": 0.06,
      "endotoxinSpecificationEUPerMg": "≤5.0",
      "endotoxinMethod": "Kinetic LAL",
      "sterilityResult": "No growth; conforms",
      "sterilityMethod": "USP <71>, membrane filtration; no growth after 14 days",
      "contentAssay": null,
      "contentAssayNote": "No separate quantitative fill-content assay is listed. HPLC peak-area percentages are not ingredient mass percentages or proof of an 80 mg fill.",
      "analysisDate": "2026-09-16",
      "waterTestDate": "2026-09-17",
      "endotoxinTestDate": "2026-09-18",
      "sterilityTestDate": "2026-09-30",
      "manufacturedDate": "2026-09-15",
      "issueDate": "2026-10-03",
      "retestExpiry": "2028-09-15",
      "unitsInLot": 250,
      "unitsSampled": 2,
      "storage": "−20°C (−4°F), desiccated and protected from light.",
      "laboratoryType": "In-house",
      "outsideReportsAttached": "None",
      "conclusion": "PASS, for the listed tests",
      "scope": "Two sampled powder vials from lot PL-2609-057. Shown beside both formats; no finished-pen testing or exact pen-batch linkage is supplied.",
      "sha256": "327d50005ce4afa0acb992baa83867bd3cb592af0e04f3e8b81a3086d2b97a3e",
      "documentTreatment": "Redacted copy: supplier identifiers removed; analytical values, lot, dates and in-house status retained."
    }
  ],
  "unresolvedFacts": [
    "Current customer selling price and checkout destination",
    "Finished-pen lot number and linkage to powder lot PL-2609-057",
    "Finished-pen content, sterility and stability results",
    "Manufacturer mechanical-click calibration",
    "Validated in-use limit for the mixed vial or pen",
    "Additional accessory quantities"
  ]
}
