{"id":173,"date":"2026-07-08T02:08:42","date_gmt":"2026-07-08T00:08:42","guid":{"rendered":"https:\/\/synerium.info\/product\/testagen-20mg\/"},"modified":"2026-07-09T00:26:59","modified_gmt":"2026-07-08T22:26:59","slug":"testagen-20mg","status":"publish","type":"product","link":"https:\/\/synerium.info\/it\/product\/testagen-20mg\/","title":{"rendered":"Testagen"},"content":{"rendered":"<p>Testagen is a bioregulatory tetrapeptide targeting testicular tissue and Leydig cell function through epigenetic modulation of steroidogenic gene expression. Research has explored its capacity to normalize testosterone synthesis signaling by modulating StAR protein expression, support LH receptor sensitivity and downstream cAMP signaling in Leydig cells, maintain Sertoli cell function and blood-testis barrier integrity, promote spermatogenic cell viability and germ cell maturation, and modulate testicular antioxidant enzyme expression to protect against oxidative damage. Studies in aging testicular tissue models have demonstrated restoration of testosterone production rates toward youthful levels and improvement in sperm quality parameters. Testagen&#8217;s bioregulatory mechanism addresses the epigenetic changes that contribute to age-related androgen decline (andropause), making it a unique tool for studying the molecular biology of testicular aging and the transcriptional programs governing male reproductive endocrine function.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Testagen is a bioregulatory tetrapeptide targeting testicular tissue and Leydig cell function through epigenetic modulation of steroidogenic gene expression. Research has explored its capacity to normalize testosterone synthesis signaling by modulating StAR protein expression, support LH receptor sensitivity and downstream cAMP signaling in Leydig cells, maintain Sertoli cell function and blood-testis barrier integrity, promote spermatogenic [&hellip;]<\/p>\n","protected":false},"featured_media":172,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[24],"product_tag":[],"class_list":["post-173","product","type-product","status-publish","has-post-thumbnail","product_cat-bioregulators","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Testagen - Synerium<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/synerium.info\/it\/product\/testagen-20mg\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Testagen - Synerium\" \/>\n<meta property=\"og:description\" content=\"Testagen is a bioregulatory tetrapeptide targeting testicular tissue and Leydig cell function through epigenetic modulation of steroidogenic gene expression. Research has explored its capacity to normalize testosterone synthesis signaling by modulating StAR protein expression, support LH receptor sensitivity and downstream cAMP signaling in Leydig cells, maintain Sertoli cell function and blood-testis barrier integrity, promote spermatogenic [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/synerium.info\/it\/product\/testagen-20mg\/\" \/>\n<meta property=\"og:site_name\" content=\"Synerium\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-08T22:26:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/synerium.info\/wp-content\/themes\/synerium-theme\/assets\/images\/hero-vial.png\" \/><meta property=\"og:image\" content=\"https:\/\/synerium.info\/wp-content\/uploads\/2026\/07\/testagen-20mg.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1229\" \/>\n\t<meta property=\"og:image:height\" content=\"567\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo di lettura stimato\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/synerium.info\\\/product\\\/testagen-20mg\\\/\",\"url\":\"https:\\\/\\\/synerium.info\\\/product\\\/testagen-20mg\\\/\",\"name\":\"Testagen - Synerium\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/synerium.info\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/synerium.info\\\/product\\\/testagen-20mg\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/synerium.info\\\/product\\\/testagen-20mg\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/synerium.info\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/testagen-20mg.jpg\",\"datePublished\":\"2026-07-08T00:08:42+00:00\",\"dateModified\":\"2026-07-08T22:26:59+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/synerium.info\\\/product\\\/testagen-20mg\\\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/synerium.info\\\/product\\\/testagen-20mg\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\\\/\\\/synerium.info\\\/product\\\/testagen-20mg\\\/#primaryimage\",\"url\":\"https:\\\/\\\/synerium.info\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/testagen-20mg.jpg\",\"contentUrl\":\"https:\\\/\\\/synerium.info\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/testagen-20mg.jpg\",\"width\":1229,\"height\":567},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/synerium.info\\\/product\\\/testagen-20mg\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/synerium.info\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/synerium.info\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Testagen\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/synerium.info\\\/#website\",\"url\":\"https:\\\/\\\/synerium.info\\\/\",\"name\":\"Synerium\",\"description\":\"Research Peptides\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/synerium.info\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"it-IT\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Testagen - Synerium","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:\/\/synerium.info\/it\/product\/testagen-20mg\/","og_locale":"it_IT","og_type":"article","og_title":"Testagen - Synerium","og_description":"Testagen is a bioregulatory tetrapeptide targeting testicular tissue and Leydig cell function through epigenetic modulation of steroidogenic gene expression. 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