{
  "title": "US Research Peptide Price Change Log",
  "version": "2026-07-21",
  "boundary": "A dated comparison of Peptide Local's previous published seller-page observation with the current public seller page. The current release contains one seller and date cluster, so its rows are not independent evidence of a market-wide trend. It is not a complete market history, transaction price, product-quality finding, or medical-product claim.",
  "methodology": {
    "previousSnapshotDate": "2026-07-17",
    "firstDetectedDate": "2026-07-20",
    "publicationDate": "2026-07-21",
    "rule": "Publish only after the same exact product, size, vendor, currency, and list-price change survives repeated source checks and editorial review.",
    "previousValueLimit": "The previous value is Peptide Local's dated observation. A seller's current page generally cannot reproduce its superseded price."
  },
  "stats": {
    "records": 14,
    "products": 14,
    "vendors": 1,
    "increases": 14,
    "decreases": 0,
    "basketBeforeUsd": 755.66,
    "basketAfterUsd": 831.24,
    "basketChangeUsd": 75.58,
    "medianChangePercent": 10,
    "largestDollarChange": {
      "recordId": "2026-07-21:nad-plus:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "nad-plus",
      "productName": "NAD+",
      "nominalSizeMg": 1000,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 117.99,
      "currentPriceUsd": 129.79,
      "changeUsd": 11.8,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 3,
      "currentAvailableLowUsd": 69.99,
      "currentAvailableMedianUsd": 125,
      "currentAvailableHighUsd": 129.79,
      "sourceUrl": "https://peptalabs.com/peptides/nad-plus-1000mg"
    },
    "sellerDateClusters": 1
  },
  "dictionary": {
    "previousPriceUsd": "Peptide Local's published seller-page list-price observation in the previous dated snapshot.",
    "currentPriceUsd": "The public single-unit list price accepted after repeated current-page checks.",
    "changeUsd": "Current list price minus the previous list price, in US dollars.",
    "changePercent": "Dollar change divided by the previous list price, rounded to two decimals.",
    "confirmationChecks": "Consecutive monitor runs that returned the same candidate price before editorial publication.",
    "availabilityAtPublication": "The exact listing's public stock signal when the new price was published. It is not inferred from a neighboring size or page-wide control.",
    "currentBoardRank": "Displayed list-price position on the current exact-size comparison board. Availability remains separate, and unavailable rows cannot set the current in-stock low. Shipping and coupons are excluded.",
    "sellerDateClusterId": "Groups accepted row changes that share one seller, previous snapshot date, and publication date so they are not misread as independent market trends."
  },
  "records": [
    {
      "recordId": "2026-07-21:nad-plus:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "nad-plus",
      "productName": "NAD+",
      "nominalSizeMg": 1000,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 117.99,
      "currentPriceUsd": 129.79,
      "changeUsd": 11.8,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 3,
      "currentAvailableLowUsd": 69.99,
      "currentAvailableMedianUsd": 125,
      "currentAvailableHighUsd": 129.79,
      "sourceUrl": "https://peptalabs.com/peptides/nad-plus-1000mg"
    },
    {
      "recordId": "2026-07-21:tesamorelin:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "tesamorelin",
      "productName": "Tesamorelin",
      "nominalSizeMg": 10,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 71.99,
      "currentPriceUsd": 79.19,
      "changeUsd": 7.2,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 4,
      "currentAvailableLowUsd": 60,
      "currentAvailableMedianUsd": 73,
      "currentAvailableHighUsd": 79.19,
      "sourceUrl": "https://peptalabs.com/peptides/tesamorelin"
    },
    {
      "recordId": "2026-07-21:cjc-1295-no-dac:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "cjc-1295-no-dac",
      "productName": "CJC-1295 no DAC",
      "nominalSizeMg": 5,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 67.99,
      "currentPriceUsd": 74.79,
      "changeUsd": 6.8,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 2,
      "currentAvailableLowUsd": 46,
      "currentAvailableMedianUsd": 60.4,
      "currentAvailableHighUsd": 74.79,
      "sourceUrl": "https://peptalabs.com/peptides/cjc-1295-no-dac"
    },
    {
      "recordId": "2026-07-21:ghk-cu:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "ghk-cu",
      "productName": "GHK-Cu",
      "nominalSizeMg": 100,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 60.99,
      "currentPriceUsd": 67.09,
      "changeUsd": 6.1,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "Out of stock",
      "currentBoardRank": 5,
      "currentAvailableLowUsd": 44.99,
      "currentAvailableMedianUsd": 49,
      "currentAvailableHighUsd": 65,
      "sourceUrl": "https://peptalabs.com/peptides/ghk-cu"
    },
    {
      "recordId": "2026-07-21:tb-500:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "tb-500",
      "productName": "TB-500",
      "nominalSizeMg": 10,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 56.99,
      "currentPriceUsd": 62.69,
      "changeUsd": 5.7,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 3,
      "currentAvailableLowUsd": 49,
      "currentAvailableMedianUsd": 62.69,
      "currentAvailableHighUsd": 124,
      "sourceUrl": "https://peptalabs.com/peptides/tb-500-10mg"
    },
    {
      "recordId": "2026-07-21:ipamorelin:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "ipamorelin",
      "productName": "Ipamorelin",
      "nominalSizeMg": 10,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 54.99,
      "currentPriceUsd": 60.49,
      "changeUsd": 5.5,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 3,
      "currentAvailableLowUsd": 54.99,
      "currentAvailableMedianUsd": 55,
      "currentAvailableHighUsd": 60.49,
      "sourceUrl": "https://peptalabs.com/peptides/ipamorelin-10mg"
    },
    {
      "recordId": "2026-07-21:thymosin-alpha-1:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "thymosin-alpha-1",
      "productName": "Thymosin Alpha-1",
      "nominalSizeMg": 5,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 54.99,
      "currentPriceUsd": 60.49,
      "changeUsd": 5.5,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 2,
      "currentAvailableLowUsd": 41,
      "currentAvailableMedianUsd": 50.75,
      "currentAvailableHighUsd": 60.49,
      "sourceUrl": "https://peptalabs.com/peptides/thymosin-alpha-1"
    },
    {
      "recordId": "2026-07-21:bpc-157:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "bpc-157",
      "productName": "BPC-157",
      "nominalSizeMg": 10,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 47.99,
      "currentPriceUsd": 52.79,
      "changeUsd": 4.8,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 3,
      "currentAvailableLowUsd": 40,
      "currentAvailableMedianUsd": 52.79,
      "currentAvailableHighUsd": 92,
      "sourceUrl": "https://peptalabs.com/peptides/bpc-157"
    },
    {
      "recordId": "2026-07-21:mots-c:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "mots-c",
      "productName": "MOTS-c",
      "nominalSizeMg": 10,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 44.99,
      "currentPriceUsd": 49.49,
      "changeUsd": 4.5,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 2,
      "currentAvailableLowUsd": 37,
      "currentAvailableMedianUsd": 49.99,
      "currentAvailableHighUsd": 99,
      "sourceUrl": "https://peptalabs.com/peptides/mots-c"
    },
    {
      "recordId": "2026-07-21:sermorelin:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "sermorelin",
      "productName": "Sermorelin",
      "nominalSizeMg": 5,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 44.99,
      "currentPriceUsd": 49.49,
      "changeUsd": 4.5,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 2,
      "currentAvailableLowUsd": 43,
      "currentAvailableMedianUsd": 46.25,
      "currentAvailableHighUsd": 49.49,
      "sourceUrl": "https://peptalabs.com/peptides/sermorelin"
    },
    {
      "recordId": "2026-07-21:pt-141:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "pt-141",
      "productName": "PT-141 (Bremelanotide)",
      "nominalSizeMg": 10,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 42.99,
      "currentPriceUsd": 47.29,
      "changeUsd": 4.3,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 2,
      "currentAvailableLowUsd": 45,
      "currentAvailableMedianUsd": 46.14,
      "currentAvailableHighUsd": 47.29,
      "sourceUrl": "https://peptalabs.com/peptides/pt-141"
    },
    {
      "recordId": "2026-07-21:selank:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "selank",
      "productName": "Selank",
      "nominalSizeMg": 10,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 33.79,
      "currentPriceUsd": 37.17,
      "changeUsd": 3.38,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 2,
      "currentAvailableLowUsd": 34.99,
      "currentAvailableMedianUsd": 36.08,
      "currentAvailableHighUsd": 37.17,
      "sourceUrl": "https://peptalabs.com/peptides/selank"
    },
    {
      "recordId": "2026-07-21:semax:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "semax",
      "productName": "Semax",
      "nominalSizeMg": 10,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 29.99,
      "currentPriceUsd": 32.99,
      "changeUsd": 3,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 1,
      "currentAvailableLowUsd": 32.99,
      "currentAvailableMedianUsd": 34.99,
      "currentAvailableHighUsd": 50,
      "sourceUrl": "https://peptalabs.com/peptides/semax"
    },
    {
      "recordId": "2026-07-21:dsip:pepta-labs",
      "sellerDateClusterId": "2026-07-17:2026-07-21:pepta-labs",
      "productSlug": "dsip",
      "productName": "DSIP",
      "nominalSizeMg": 5,
      "vendor": "Pepta Labs",
      "previousPriceUsd": 24.99,
      "currentPriceUsd": 27.49,
      "changeUsd": 2.5,
      "changePercent": 10,
      "direction": "Increase",
      "previousSnapshotDate": "2026-07-17",
      "firstDetectedDate": "2026-07-20",
      "publishedDate": "2026-07-21",
      "confirmationChecks": 4,
      "availabilityAtPublication": "In stock",
      "currentBoardRank": 1,
      "currentAvailableLowUsd": 27.49,
      "currentAvailableMedianUsd": 35.74,
      "currentAvailableHighUsd": 44,
      "sourceUrl": "https://peptalabs.com/peptides/dsip"
    }
  ]
}