{"id":2888,"date":"2026-09-02T12:51:32","date_gmt":"2026-09-02T10:51:32","guid":{"rendered":"https:\/\/peptelia.com\/zyklen-2\/"},"modified":"2026-10-08T19:31:40","modified_gmt":"2026-10-08T17:31:40","slug":"peptide-cycles","status":"publish","type":"page","link":"https:\/\/peptelia.com\/en\/peptide-cycles\/","title":{"rendered":"Cycles"},"content":{"rendered":"\n<style>\n.snx-g__cols{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin:1.6em 0}\n.snx-g__col{border:1px solid var(--line);border-radius:3px;background:#FFFDFA;padding:1.4em 1.4em 1.2em}\n.snx-g__col h3{margin:0 0 .3em;font-size:1.05em}\n.snx-g__col .snx-g__span{display:inline-block;font-size:.8em;font-weight:700;letter-spacing:.6px;text-transform:uppercase;color:var(--accent);margin-bottom:.9em}\n.snx-g__col ul{margin:.4em 0 0}\n.snx-g__col li{display:flex;justify-content:space-between;gap:12px;padding-left:0!important;border-bottom:1px solid var(--line);padding:.45em 0!important;margin:0!important}\n.snx-g__col li::before{display:none}\n.snx-g__col li span:last-child{color:var(--muted);white-space:nowrap;font-weight:600}\n<\/style>\n<div class=\"snx-g\">\n<div class=\"snx-g__hero\"><span class=\"snx-g__eyebrow\">Guide<\/span><h2 style=\"font-size:clamp(27px,3.6vw,40px);line-height:1.15;margin:0 0 12px;font-weight:800;letter-spacing:.3px;color:#fff\">Cycles<\/h2><p>How long are peptides typically used in research? An overview of short, medium and long time windows.<\/p><\/div>\n  <p class=\"snx-g__lead\">Cycle lengths describe the period over which a compound is typically used in studies and research protocols. They are reference values from the literature \u2013 not a recommendation for use.<\/p>\n\n  <h2>How long are peptides used?<\/h2>\n  <p>The duration depends on the mechanism of action: compounds with a rapid-onset, short-lived effect are usually examined in research over a few weeks; compounds whose effects build up slowly (for example in metabolism or at the cellular level) over several months. Breaks between cycles are common, in order to assess effects and re-evaluate the baseline.<\/p>\n\n  <div class=\"snx-g__cols\">\n    <div class=\"snx-g__col\">\n      <span class=\"snx-g__span\">Short cycles<\/span>\n      <h3>A few weeks<\/h3>\n      <ul>\n        <li><span>Semax<\/span><span>10\u201330 days<\/span><\/li>\n        <li><span>Epitalon<\/span><span>10\u201320 days<\/span><\/li>\n        <li><span>MOTS-C<\/span><span>2\u20134 weeks<\/span><\/li>\n        <li><span>SLU-PP-332<\/span><span>2\u20134 weeks<\/span><\/li>\n        <li><span>BPC-157<\/span><span>4\u20138 weeks<\/span><\/li>\n        <li><span>TB-500<\/span><span>4\u20136 weeks<\/span><\/li>\n        <li><span>DSIP<\/span><span>2\u20134 weeks<\/span><\/li>\n      <\/ul>\n    <\/div>\n    <div class=\"snx-g__col\">\n      <span class=\"snx-g__span\">Medium cycles<\/span>\n      <h3>Two to six months<\/h3>\n      <ul>\n        <li><span>Ipamorelin<\/span><span>8\u201316 weeks<\/span><\/li>\n        <li><span>CJC-1295<\/span><span>8\u201316 weeks<\/span><\/li>\n        <li><span>Semaglutide<\/span><span>12\u201324 weeks<\/span><\/li>\n        <li><span>Tirzepatide<\/span><span>12\u201324 weeks<\/span><\/li>\n        <li><span>Retatrutide GLP3<\/span><span>12\u201324 weeks<\/span><\/li>\n        <li><span>Tesamorelin<\/span><span>6\u201312 months<\/span><\/li>\n      <\/ul>\n    <\/div>\n    <div class=\"snx-g__col\">\n      <span class=\"snx-g__span\">Long cycles<\/span>\n      <h3>Six months and longer<\/h3>\n      <ul>\n        <li><span>GHK-Cu<\/span><span>24+ months<\/span><\/li>\n        <li><span>NAD+<\/span><span>24+ months<\/span><\/li>\n        <li><span>KPV<\/span><span>6\u201312 months<\/span><\/li>\n      <\/ul>\n    <\/div>\n  <\/div>\n\n  <div class=\"snx-g__band\">\n    <h2>Plan the cycle, don&#8217;t guess<\/h2>\n    <p>A cycle is only as meaningful as its documentation: start date, batch, concentration and observations belong in a protocol. The <a href=\"https:\/\/peptelia.com\/en\/peptide-calculator\/\">peptide calculator<\/a> helps with preparation, the <a href=\"https:\/\/peptelia.com\/en\/protocols-routines\/\">Protocols &#038; Routines<\/a> guide with structuring, and <a href=\"https:\/\/peptelia.com\/en\/storage-stability\/\">Storage &#038; Stability<\/a> shows how long a prepared solution remains stable over the course of a cycle.<\/p>\n    <a class=\"snx-g__cta\" href=\"https:\/\/peptelia.com\/en\/shop\/\">Browse the range<\/a>\n  <\/div>\n<p class=\"snx-g__note\">All information is provided solely for general, scientific and research-related information purposes. The products offered by Pept\u00e9lia are not intended for human or animal consumption. This page does not constitute instructions for use, a dosing recommendation or medical advice. For health-related questions, please consult a physician or pharmacist.<\/p>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>How long are peptides typically used in research? An overview of short, medium and long time windows.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","footnotes":""},"class_list":["post-2888","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Peptide Cycles: Typical Study Periods | Pept\u00e9lia<\/title>\n<meta name=\"description\" content=\"Peptide cycles explained: the time windows over which research compounds are typically examined in the literature, organised by field of study.\" \/>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Peptide Cycles: Typical Study Periods | Pept\u00e9lia\" \/>\n<meta property=\"og:description\" content=\"Peptide cycles explained: the time windows over which research compounds are typically examined in the literature, organised by field of study.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/peptelia.com\/en\/peptide-cycles\/\" \/>\n<meta property=\"og:site_name\" content=\"Pept\u00e9lia\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-08T17:31:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/peptelia.com\/wp-content\/uploads\/2026\/07\/peptelia-hero-vial.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/peptelia.com\\\/en\\\/peptide-cycles\\\/\",\"url\":\"https:\\\/\\\/peptelia.com\\\/en\\\/peptide-cycles\\\/\",\"name\":\"Peptide Cycles: Typical Study Periods | Pept\u00e9lia\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/peptelia.com\\\/en\\\/#website\"},\"datePublished\":\"2026-09-02T10:51:32+00:00\",\"dateModified\":\"2026-10-08T17:31:40+00:00\",\"description\":\"Peptide cycles explained: the time windows over which research compounds are typically examined in the literature, organised by field of study.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/peptelia.com\\\/en\\\/peptide-cycles\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/peptelia.com\\\/en\\\/peptide-cycles\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/peptelia.com\\\/en\\\/peptide-cycles\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Start\",\"item\":\"https:\\\/\\\/peptelia.com\\\/en\\\/peptelia\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cycles\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/peptelia.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/peptelia.com\\\/en\\\/\",\"name\":\"Pept\u00e9lia\",\"description\":\"Peptide GLP-1, GLP-2 &amp; 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