{"id":724,"date":"2026-09-01T15:21:54","date_gmt":"2026-09-01T15:21:54","guid":{"rendered":"https:\/\/nhdbio.com\/case-studies\/cjc-1295-dac-randomized-human-pharmacology\/"},"modified":"2026-10-11T08:32:05","modified_gmt":"2026-10-11T08:32:05","slug":"cjc-1295-dac-%d8%af%d8%b1%d8%a7%d8%b3%d8%a9-%d8%b9%d8%b4%d9%88%d8%a7%d8%a6%d9%8a%d8%a9-%d9%81%d9%8a-%d8%b9%d9%84%d9%85-%d8%a7%d9%84%d8%a3%d8%af%d9%88%d9%8a%d8%a9-%d8%a7%d9%84%d8%a8%d8%b4","status":"publish","type":"case_study","link":"https:\/\/nhdbio.com\/ar\/case-studies\/cjc-1295-dac-randomized-human-pharmacology\/","title":{"rendered":"CJC-1295 \u0645\u0639 DAC: \u0645\u0627\u0630\u0627 \u064a\u062e\u0628\u0631\u0646\u0627 \u0639\u0645\u0631 \u0627\u0644\u0646\u0635\u0641 \u0627\u0644\u0637\u0648\u064a\u0644\u061f"},"content":{"rendered":"

Why does DAC belong in the name?<\/h2>\n

The studied CJC-1295 was designed to bind albumin, a protein in blood. This design helps explain why the researchers expected a longer time course. DAC identifies that albumin-binding feature. A material described as \u201cwithout DAC\u201d cannot inherit the same half-life merely because the first part of the name looks similar.<\/p>\n

What did the researchers measure?<\/h2>\n

Two randomized studies lasted 28 and 49 days in healthy adults. They measured CJC-1295 in the body and changes in growth hormone, or GH, and IGF-I. These blood measurements show a biological response. They are not measurements of stronger muscles, faster injury recovery or longer life. [1]<\/p>\n

\n
    \n
  1. 01<\/b>DAC identity<\/span><\/li>\n
  2. 02<\/b>Blood concentration<\/span><\/li>\n
  3. 03<\/b>GH \/ IGF-I response<\/span><\/li>\n<\/ol>
    Reading guide: separates the study questions; not raw data or a prediction of product performance.<\/figcaption><\/figure>\n

    What changes were reported?<\/h2>\n

    After a single study administration, average GH concentrations rose two- to tenfold for at least six days; IGF-I rose 1.5- to threefold for nine to eleven days. Estimated CJC-1295 half-life was 5.8\u20138.1 days. These ranges summarize study observations rather than a timetable for using catalog material. [1]<\/p>\n

    Half-life is not \u201chow long it works\u201d<\/h2>\n

    Half-life describes how long a measured amount or concentration takes to fall by half under the relevant model. Imagine a simplified amount falling from 100 units to 50: that is one half-life, not complete disappearance. A compound\u2019s concentration and a downstream hormone response are different measurements and need not share one clock.<\/p>\n

    What did the companion study add?<\/h2>\n

    A companion publication examined the pattern of GH release during prolonged stimulation. GH can be released in pulses rather than at a constant rate. That is a question about the timing of hormone secretion. It does not turn the original blood results into proof of a physical-performance benefit. [2]<\/p>\n

    What should a material inquiry say?<\/h2>\n

    Use the full name \u201cCJC-1295 with DAC\u201d and describe the experimental requirement. The product page below helps avoid selecting a differently named form. Ask which identity information and analytical records can be provided. Short volunteer studies cannot supply long-term safety evidence for a separate research batch.<\/p>\n

    \n

    Related research products<\/h2>\n
    \n
    \n

    CJC-1295 with DAC<\/h3>\n

    The DAC identity discussed in this study.<\/p>\n

    View product and variants \u2192<\/a><\/article>\n<\/div>\n

    For a material inquiry, specify the name, quantity, laboratory purpose and records needed. The team will confirm the available scope.<\/p>\n

    Discuss material requirements \u2192<\/a><\/section>\n

    \n

    Original research and reading notes<\/h2>\n
      \n
    1. CJC-1295 human pharmacology \u00b7 JCEM 2006<\/a><\/li>\n
    2. CJC-1295 and pulsatile GH \u00b7 JCEM 2006<\/a><\/li>\n<\/ol>\n

      Study amounts and preparations identify experimental conditions, not recommended use. AI-assisted research explanation; sources checked 11 October 2026. NHD catalog materials are for research, development and manufacturing, not human or veterinary use.<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"

      \u0627\u0641\u0647\u0645 \u0642\u064a\u0627\u0633\u0627\u062a \u0627\u0644\u0647\u0631\u0645\u0648\u0646\u0627\u062a \u0642\u0628\u0644 \u062a\u0642\u062f\u064a\u0645 \u0623\u064a \u0627\u062f\u0639\u0627\u0621\u0627\u062a \u062d\u0648\u0644 \u0627\u0644\u0639\u0636\u0644\u0627\u062a \u0623\u0648 \u0627\u0644\u062a\u0639\u0627\u0641\u064a.<\/p>","protected":false},"author":0,"featured_media":4034,"template":"","class_list":["post-724","case_study","type-case_study","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nCJC-1295 With DAC: What Does a Long Half-Life Tell Us? | NHD<\/title>\n<meta name=\"description\" content=\"Understand the hormone measurements before making claims about muscle or recovery.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nhdbio.com\/ar\/\u062f\u0631\u0627\u0633\u0627\u062a-\u0627\u0644\u062d\u0627\u0644\u0629\/cjc-1295-dac-\u062f\u0631\u0627\u0633\u0629-\u0639\u0634\u0648\u0627\u0626\u064a\u0629-\u0641\u064a-\u0639\u0644\u0645-\u0627\u0644\u0623\u062f\u0648\u064a\u0629-\u0627\u0644\u0628\u0634\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CJC-1295 With DAC: What Does a Long Half-Life Tell Us?\" \/>\n<meta property=\"og:description\" content=\"Understand the hormone measurements before making claims about muscle or recovery.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nhdbio.com\/ar\/\u062f\u0631\u0627\u0633\u0627\u062a-\u0627\u0644\u062d\u0627\u0644\u0629\/cjc-1295-dac-\u062f\u0631\u0627\u0633\u0629-\u0639\u0634\u0648\u0627\u0626\u064a\u0629-\u0641\u064a-\u0639\u0644\u0645-\u0627\u0644\u0623\u062f\u0648\u064a\u0629-\u0627\u0644\u0628\u0634\/\" \/>\n<meta property=\"og:site_name\" content=\"NHD\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-11T08:32:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/10\/nhd-comic-724.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" content=\"Peptide Raw Materials and Custom Peptide Synthesis\" \/>\n<meta name=\"twitter:label1\" content=\"\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u062f\u0642\u064a\u0642\u062a\u0627\u0646\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/case-studies\\\/cjc-1295-dac-randomized-human-pharmacology\\\/\",\"url\":\"https:\\\/\\\/nhdbio.com\\\/case-studies\\\/cjc-1295-dac-randomized-human-pharmacology\\\/\",\"name\":\"CJC-1295 With DAC: What Does a Long Half-Life Tell Us? | NHD\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/case-studies\\\/cjc-1295-dac-randomized-human-pharmacology\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/case-studies\\\/cjc-1295-dac-randomized-human-pharmacology\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/nhdbio.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/nhd-comic-724.jpg\",\"datePublished\":\"2026-09-01T15:21:54+00:00\",\"dateModified\":\"2026-10-11T08:32:05+00:00\",\"description\":\"Understand the hormone measurements before making claims about muscle or recovery.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/case-studies\\\/cjc-1295-dac-randomized-human-pharmacology\\\/#breadcrumb\"},\"inLanguage\":\"ar\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/nhdbio.com\\\/case-studies\\\/cjc-1295-dac-randomized-human-pharmacology\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/case-studies\\\/cjc-1295-dac-randomized-human-pharmacology\\\/#primaryimage\",\"url\":\"https:\\\/\\\/nhdbio.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/nhd-comic-724.jpg\",\"contentUrl\":\"https:\\\/\\\/nhdbio.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/nhd-comic-724.jpg\",\"width\":1200,\"height\":800,\"caption\":\"Editorial comic illustration: CJC-1295 Human Research. Conceptual cover, not experimental imagery.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/case-studies\\\/cjc-1295-dac-randomized-human-pharmacology\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/nhdbio.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u6848\u4f8b\",\"item\":\"https:\\\/\\\/nhdbio.com\\\/fr\\\/etudes-de-cas\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"CJC-1295 With DAC: What Does a Long Half-Life Tell Us?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#website\",\"url\":\"https:\\\/\\\/nhdbio.com\\\/\",\"name\":\"NHD\",\"description\":\"Peptide Raw Materials and Custom Peptide Synthesis\",\"publisher\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/nhdbio.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ar\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#organization\",\"name\":\"NHD\",\"url\":\"https:\\\/\\\/nhdbio.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/nhdbio.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/codex-clipboard-354c928e-4b5b-482d-9261-02023d4c9680.png\",\"contentUrl\":\"https:\\\/\\\/nhdbio.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/codex-clipboard-354c928e-4b5b-482d-9261-02023d4c9680.png\",\"width\":2172,\"height\":724,\"caption\":\"NHD\"},\"image\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"CJC-1295 \u0645\u0639 DAC: \u0645\u0627\u0630\u0627 \u064a\u062e\u0628\u0631\u0646\u0627 \u0639\u0645\u0631 \u0627\u0644\u0646\u0635\u0641 \u0627\u0644\u0637\u0648\u064a\u0644\u061f | NHD","description":"\u0627\u0641\u0647\u0645 \u0642\u064a\u0627\u0633\u0627\u062a \u0627\u0644\u0647\u0631\u0645\u0648\u0646\u0627\u062a \u0642\u0628\u0644 \u062a\u0642\u062f\u064a\u0645 \u0623\u064a \u0627\u062f\u0639\u0627\u0621\u0627\u062a \u062d\u0648\u0644 \u0627\u0644\u0639\u0636\u0644\u0627\u062a \u0623\u0648 \u0627\u0644\u062a\u0639\u0627\u0641\u064a.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/nhdbio.com\/ar\/\u062f\u0631\u0627\u0633\u0627\u062a-\u0627\u0644\u062d\u0627\u0644\u0629\/cjc-1295-dac-\u062f\u0631\u0627\u0633\u0629-\u0639\u0634\u0648\u0627\u0626\u064a\u0629-\u0641\u064a-\u0639\u0644\u0645-\u0627\u0644\u0623\u062f\u0648\u064a\u0629-\u0627\u0644\u0628\u0634\/","og_locale":"ar_AR","og_type":"article","og_title":"CJC-1295 With DAC: What Does a Long Half-Life Tell Us?","og_description":"Understand the hormone measurements before making claims about muscle or recovery.","og_url":"https:\/\/nhdbio.com\/ar\/\u062f\u0631\u0627\u0633\u0627\u062a-\u0627\u0644\u062d\u0627\u0644\u0629\/cjc-1295-dac-\u062f\u0631\u0627\u0633\u0629-\u0639\u0634\u0648\u0627\u0626\u064a\u0629-\u0641\u064a-\u0639\u0644\u0645-\u0627\u0644\u0623\u062f\u0648\u064a\u0629-\u0627\u0644\u0628\u0634\/","og_site_name":"NHD","article_modified_time":"2026-10-11T08:32:05+00:00","og_image":[{"width":1200,"height":800,"url":"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/10\/nhd-comic-724.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_description":"Peptide Raw Materials and Custom Peptide Synthesis","twitter_misc":{"\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631":"\u062f\u0642\u064a\u0642\u062a\u0627\u0646"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/nhdbio.com\/case-studies\/cjc-1295-dac-randomized-human-pharmacology\/","url":"https:\/\/nhdbio.com\/case-studies\/cjc-1295-dac-randomized-human-pharmacology\/","name":"CJC-1295 \u0645\u0639 DAC: \u0645\u0627\u0630\u0627 \u064a\u062e\u0628\u0631\u0646\u0627 \u0639\u0645\u0631 \u0627\u0644\u0646\u0635\u0641 \u0627\u0644\u0637\u0648\u064a\u0644\u061f | NHD","isPartOf":{"@id":"https:\/\/nhdbio.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/nhdbio.com\/case-studies\/cjc-1295-dac-randomized-human-pharmacology\/#primaryimage"},"image":{"@id":"https:\/\/nhdbio.com\/case-studies\/cjc-1295-dac-randomized-human-pharmacology\/#primaryimage"},"thumbnailUrl":"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/10\/nhd-comic-724.jpg","datePublished":"2026-09-01T15:21:54+00:00","dateModified":"2026-10-11T08:32:05+00:00","description":"\u0627\u0641\u0647\u0645 \u0642\u064a\u0627\u0633\u0627\u062a \u0627\u0644\u0647\u0631\u0645\u0648\u0646\u0627\u062a \u0642\u0628\u0644 \u062a\u0642\u062f\u064a\u0645 \u0623\u064a \u0627\u062f\u0639\u0627\u0621\u0627\u062a \u062d\u0648\u0644 \u0627\u0644\u0639\u0636\u0644\u0627\u062a \u0623\u0648 \u0627\u0644\u062a\u0639\u0627\u0641\u064a.","breadcrumb":{"@id":"https:\/\/nhdbio.com\/case-studies\/cjc-1295-dac-randomized-human-pharmacology\/#breadcrumb"},"inLanguage":"ar","potentialAction":[{"@type":"ReadAction","target":["https:\/\/nhdbio.com\/case-studies\/cjc-1295-dac-randomized-human-pharmacology\/"]}]},{"@type":"ImageObject","inLanguage":"ar","@id":"https:\/\/nhdbio.com\/case-studies\/cjc-1295-dac-randomized-human-pharmacology\/#primaryimage","url":"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/10\/nhd-comic-724.jpg","contentUrl":"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/10\/nhd-comic-724.jpg","width":1200,"height":800,"caption":"Editorial comic illustration: CJC-1295 Human Research. Conceptual cover, not experimental imagery."},{"@type":"BreadcrumbList","@id":"https:\/\/nhdbio.com\/case-studies\/cjc-1295-dac-randomized-human-pharmacology\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/nhdbio.com\/"},{"@type":"ListItem","position":2,"name":"\u6848\u4f8b","item":"https:\/\/nhdbio.com\/fr\/etudes-de-cas\/"},{"@type":"ListItem","position":3,"name":"CJC-1295 With DAC: What Does a Long Half-Life Tell Us?"}]},{"@type":"WebSite","@id":"https:\/\/nhdbio.com\/#website","url":"https:\/\/nhdbio.com\/","name":"NHD","description":"\u0645\u0648\u0627\u062f \u062e\u0627\u0645 \u0628\u0628\u062a\u064a\u062f\u064a\u0629 \u0648\u062a\u062e\u0644\u064a\u0642 \u0627\u0644\u0628\u0628\u062a\u064a\u062f\u0627\u062a \u062d\u0633\u0628 \u0627\u0644\u0637\u0644\u0628","publisher":{"@id":"https:\/\/nhdbio.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/nhdbio.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ar"},{"@type":"Organization","@id":"https:\/\/nhdbio.com\/#organization","name":"NHD","url":"https:\/\/nhdbio.com\/","logo":{"@type":"ImageObject","inLanguage":"ar","@id":"https:\/\/nhdbio.com\/#\/schema\/logo\/image\/","url":"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/codex-clipboard-354c928e-4b5b-482d-9261-02023d4c9680.png","contentUrl":"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/codex-clipboard-354c928e-4b5b-482d-9261-02023d4c9680.png","width":2172,"height":724,"caption":"NHD"},"image":{"@id":"https:\/\/nhdbio.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/nhdbio.com\/ar\/wp-json\/wp\/v2\/case_study\/724","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nhdbio.com\/ar\/wp-json\/wp\/v2\/case_study"}],"about":[{"href":"https:\/\/nhdbio.com\/ar\/wp-json\/wp\/v2\/types\/case_study"}],"version-history":[{"count":3,"href":"https:\/\/nhdbio.com\/ar\/wp-json\/wp\/v2\/case_study\/724\/revisions"}],"predecessor-version":[{"id":4186,"href":"https:\/\/nhdbio.com\/ar\/wp-json\/wp\/v2\/case_study\/724\/revisions\/4186"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nhdbio.com\/ar\/wp-json\/wp\/v2\/media\/4034"}],"wp:attachment":[{"href":"https:\/\/nhdbio.com\/ar\/wp-json\/wp\/v2\/media?parent=724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}