{"id":27681,"date":"2026-04-03T07:55:57","date_gmt":"2026-04-03T11:55:57","guid":{"rendered":"https:\/\/news.smarttan.com\/?p=27681"},"modified":"2026-04-03T08:01:55","modified_gmt":"2026-04-03T12:01:55","slug":"high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat","status":"publish","type":"post","link":"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/","title":{"rendered":"High-Dose Vitamin D May Help Direct Calories Toward Muscle Instead of Fat, Study Suggests"},"content":{"rendered":"<p>A study published in The Journal of Physiology is shines light on another powerful benefit of the &#8220;sunshine vitamin&#8221; (<a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11100886\/\" target=\"_blank\" rel=\"noopener\">Zhang et al., 2025<\/a>). As reported by <em>Men\u2019s Health<\/em> (<a href=\"https:\/\/www.menshealth.com\/uk\/building-muscle\/a64284311\/vitamin-d-fat-loss\/\" target=\"_blank\" rel=\"noopener\">Tracey, 2025<\/a>), the research reveals vitamin D may also influence how your body uses and stores calories, specifically encouraging muscle growth over fat storage.<\/p>\n<p data-start=\"419\" data-end=\"921\">According to the findings published in 2025, high doses of vitamin D could help shift the body\u2019s calorie allocation process. Researchers propose a new model involving two key signaling molecules: leptin and myostatin. Leptin, which is produced by fat cells, signals fullness, while myostatin, made by muscle, restricts muscle growth. The study suggests that vitamin D may modulate these signals, potentially promoting lean muscle development instead of fat accumulation when excess calories are consumed.<\/p>\n<p data-start=\"923\" data-end=\"1111\" data-is-last-node=\"\" data-is-only-node=\"\">This discovery offers intriguing implications for fitness, metabolism, and body composition \u2014 and it\u2019s one more reason to embrace responsible sun exposure and vitamin D support year-round.<\/p>\n<p data-start=\"923\" data-end=\"1111\" data-is-last-node=\"\" data-is-only-node=\"\"><a href=\"https:\/\/www.menshealth.com\/uk\/building-muscle\/a64284311\/vitamin-d-fat-loss\/\" target=\"_blank\" rel=\"noopener\">Click here to read the article from <em>Men&#8217;s Health<\/em>.<\/a><\/p>\n<p data-start=\"923\" data-end=\"1111\" data-is-last-node=\"\" data-is-only-node=\"\">\n<p data-start=\"923\" data-end=\"1111\" data-is-last-node=\"\" data-is-only-node=\"\">\n<p data-start=\"923\" data-end=\"1111\" data-is-last-node=\"\" data-is-only-node=\"\">\n<p><i>SmartTan.com news articles regularly report medical and scientific information to keep you abreast of current events related to UV light. This information is not intended to be used by any party to make unwarranted health claims to promote sunbed usage. Indoor tanning businesses are obligated to communicate a fair and balanced message to all clients about your products and services including the potential risks associated with indoor tanning. Contact your Smart Tan representative to find out more about what you can and can\u2019t say in your tanning salon business.<\/i><\/p>\n<p><i>\u00a9 2025 International Smart Tan Network. All rights reserved.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A study published in The Journal of Physiology is shines light on another powerful benefit of the &#8220;sunshine vitamin&#8221; (Zhang et al., 2025). As reported by Men\u2019s Health (Tracey, 2025), the research reveals vitamin D may also influence how your body uses and stores calories, specifically encouraging muscle growth over fat storage. According to the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":26813,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-27681","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>High-Dose Vitamin D May Help Direct Calories Toward Muscle Instead of Fat, Study Suggests - Smart Tan News<\/title>\n<meta name=\"description\" content=\"A study published in The Journal of Physiology is shines light on another powerful benefit of the &quot;sunshine vitamin&quot; (Zhang et al., 2025). As reported by Men\u2019s Health (Tracey, 2025), the research reveals vitamin D may also influence how your body uses and stores calories, specifically encouraging muscle growth over fat storage. According to the findings published in 2025, high doses of vitamin D could help shift the body\u2019s calorie allocation process. Researchers propose a new model involving two key signaling molecules: leptin and myostatin. Leptin, which is produced by fat cells, signals fullness, while myostatin, made by muscle, restricts muscle growth. The study suggests that vitamin D may modulate these signals, potentially promoting lean muscle development instead of fat accumulation when excess calories are consumed. This discovery offers intriguing implications for fitness, metabolism, and body composition \u2014 and it\u2019s one more reason to embrace responsible sun exposure and vitamin D support year-round. Click here to read the article from Men&#039;s Health.    SmartTan.com news articles regularly report medical and scientific information to keep you abreast of current events related to UV light. This information is not intended to be used by any party to make unwarranted health claims to promote sunbed usage. Indoor tanning businesses are obligated to communicate a fair and balanced message to all clients about your products and services including the potential risks associated with indoor tanning. Contact your Smart Tan representative to find out more about what you can and can\u2019t say in your tanning salon business.  \u00a9 2025 International Smart Tan Network. All rights reserved.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"High-Dose Vitamin D May Help Direct Calories Toward Muscle Instead of Fat, Study Suggests - Smart Tan News\" \/>\n<meta property=\"og:description\" content=\"A study published in The Journal of Physiology is shines light on another powerful benefit of the &quot;sunshine vitamin&quot; (Zhang et al., 2025). As reported by Men\u2019s Health (Tracey, 2025), the research reveals vitamin D may also influence how your body uses and stores calories, specifically encouraging muscle growth over fat storage. According to the findings published in 2025, high doses of vitamin D could help shift the body\u2019s calorie allocation process. Researchers propose a new model involving two key signaling molecules: leptin and myostatin. Leptin, which is produced by fat cells, signals fullness, while myostatin, made by muscle, restricts muscle growth. The study suggests that vitamin D may modulate these signals, potentially promoting lean muscle development instead of fat accumulation when excess calories are consumed. This discovery offers intriguing implications for fitness, metabolism, and body composition \u2014 and it\u2019s one more reason to embrace responsible sun exposure and vitamin D support year-round. Click here to read the article from Men&#039;s Health.    SmartTan.com news articles regularly report medical and scientific information to keep you abreast of current events related to UV light. This information is not intended to be used by any party to make unwarranted health claims to promote sunbed usage. Indoor tanning businesses are obligated to communicate a fair and balanced message to all clients about your products and services including the potential risks associated with indoor tanning. Contact your Smart Tan representative to find out more about what you can and can\u2019t say in your tanning salon business.  \u00a9 2025 International Smart Tan Network. All rights reserved.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/\" \/>\n<meta property=\"og:site_name\" content=\"Smart Tan News\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SmartTan\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-03T11:55:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-03T12:01:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/news.smarttan.com\/wp-content\/uploads\/2025\/03\/Muscular-3-31-25.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1361\" \/>\n\t<meta property=\"og:image:height\" content=\"1180\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"smarttannews\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SmartTan\" \/>\n<meta name=\"twitter:site\" content=\"@SmartTan\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"smarttannews\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/\"},\"author\":{\"name\":\"smarttannews\",\"@id\":\"https:\/\/news.smarttan.com\/#\/schema\/person\/722dc7049af55e0ed743d67ce9ed4819\"},\"headline\":\"High-Dose Vitamin D May Help Direct Calories Toward Muscle Instead of Fat, Study Suggests\",\"datePublished\":\"2026-04-03T11:55:57+00:00\",\"dateModified\":\"2026-04-03T12:01:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/\"},\"wordCount\":273,\"publisher\":{\"@id\":\"https:\/\/news.smarttan.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/news.smarttan.com\/wp-content\/uploads\/2025\/03\/Muscular-3-31-25.jpg\",\"articleSection\":[\"News\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/\",\"url\":\"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/\",\"name\":\"High-Dose Vitamin D May Help Direct Calories Toward Muscle Instead of Fat, Study Suggests - Smart Tan News\",\"isPartOf\":{\"@id\":\"https:\/\/news.smarttan.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/news.smarttan.com\/wp-content\/uploads\/2025\/03\/Muscular-3-31-25.jpg\",\"datePublished\":\"2026-04-03T11:55:57+00:00\",\"dateModified\":\"2026-04-03T12:01:55+00:00\",\"description\":\"A study published in The Journal of Physiology is shines light on another powerful benefit of the \\\"sunshine vitamin\\\" (Zhang et al., 2025). As reported by Men\u2019s Health (Tracey, 2025), the research reveals vitamin D may also influence how your body uses and stores calories, specifically encouraging muscle growth over fat storage. According to the findings published in 2025, high doses of vitamin D could help shift the body\u2019s calorie allocation process. Researchers propose a new model involving two key signaling molecules: leptin and myostatin. Leptin, which is produced by fat cells, signals fullness, while myostatin, made by muscle, restricts muscle growth. The study suggests that vitamin D may modulate these signals, potentially promoting lean muscle development instead of fat accumulation when excess calories are consumed. This discovery offers intriguing implications for fitness, metabolism, and body composition \u2014 and it\u2019s one more reason to embrace responsible sun exposure and vitamin D support year-round. Click here to read the article from Men's Health. SmartTan.com news articles regularly report medical and scientific information to keep you abreast of current events related to UV light. This information is not intended to be used by any party to make unwarranted health claims to promote sunbed usage. Indoor tanning businesses are obligated to communicate a fair and balanced message to all clients about your products and services including the potential risks associated with indoor tanning. Contact your Smart Tan representative to find out more about what you can and can\u2019t say in your tanning salon business. \u00a9 2025 International Smart Tan Network. 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As reported by Men\u2019s Health (Tracey, 2025), the research reveals vitamin D may also influence how your body uses and stores calories, specifically encouraging muscle growth over fat storage. According to the findings published in 2025, high doses of vitamin D could help shift the body\u2019s calorie allocation process. Researchers propose a new model involving two key signaling molecules: leptin and myostatin. Leptin, which is produced by fat cells, signals fullness, while myostatin, made by muscle, restricts muscle growth. The study suggests that vitamin D may modulate these signals, potentially promoting lean muscle development instead of fat accumulation when excess calories are consumed. This discovery offers intriguing implications for fitness, metabolism, and body composition \u2014 and it\u2019s one more reason to embrace responsible sun exposure and vitamin D support year-round. Click here to read the article from Men's Health.    SmartTan.com news articles regularly report medical and scientific information to keep you abreast of current events related to UV light. This information is not intended to be used by any party to make unwarranted health claims to promote sunbed usage. Indoor tanning businesses are obligated to communicate a fair and balanced message to all clients about your products and services including the potential risks associated with indoor tanning. Contact your Smart Tan representative to find out more about what you can and can\u2019t say in your tanning salon business.  \u00a9 2025 International Smart Tan Network. All rights reserved.","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:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/","og_locale":"en_US","og_type":"article","og_title":"High-Dose Vitamin D May Help Direct Calories Toward Muscle Instead of Fat, Study Suggests - Smart Tan News","og_description":"A study published in The Journal of Physiology is shines light on another powerful benefit of the \"sunshine vitamin\" (Zhang et al., 2025). As reported by Men\u2019s Health (Tracey, 2025), the research reveals vitamin D may also influence how your body uses and stores calories, specifically encouraging muscle growth over fat storage. According to the findings published in 2025, high doses of vitamin D could help shift the body\u2019s calorie allocation process. Researchers propose a new model involving two key signaling molecules: leptin and myostatin. Leptin, which is produced by fat cells, signals fullness, while myostatin, made by muscle, restricts muscle growth. The study suggests that vitamin D may modulate these signals, potentially promoting lean muscle development instead of fat accumulation when excess calories are consumed. This discovery offers intriguing implications for fitness, metabolism, and body composition \u2014 and it\u2019s one more reason to embrace responsible sun exposure and vitamin D support year-round. Click here to read the article from Men's Health.    SmartTan.com news articles regularly report medical and scientific information to keep you abreast of current events related to UV light. This information is not intended to be used by any party to make unwarranted health claims to promote sunbed usage. Indoor tanning businesses are obligated to communicate a fair and balanced message to all clients about your products and services including the potential risks associated with indoor tanning. Contact your Smart Tan representative to find out more about what you can and can\u2019t say in your tanning salon business.  \u00a9 2025 International Smart Tan Network. All rights reserved.","og_url":"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/","og_site_name":"Smart Tan News","article_publisher":"https:\/\/www.facebook.com\/SmartTan","article_published_time":"2026-04-03T11:55:57+00:00","article_modified_time":"2026-04-03T12:01:55+00:00","og_image":[{"width":1361,"height":1180,"url":"https:\/\/news.smarttan.com\/wp-content\/uploads\/2025\/03\/Muscular-3-31-25.jpg","type":"image\/jpeg"}],"author":"smarttannews","twitter_card":"summary_large_image","twitter_creator":"@SmartTan","twitter_site":"@SmartTan","twitter_misc":{"Written by":"smarttannews","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/#article","isPartOf":{"@id":"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/"},"author":{"name":"smarttannews","@id":"https:\/\/news.smarttan.com\/#\/schema\/person\/722dc7049af55e0ed743d67ce9ed4819"},"headline":"High-Dose Vitamin D May Help Direct Calories Toward Muscle Instead of Fat, Study Suggests","datePublished":"2026-04-03T11:55:57+00:00","dateModified":"2026-04-03T12:01:55+00:00","mainEntityOfPage":{"@id":"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/"},"wordCount":273,"publisher":{"@id":"https:\/\/news.smarttan.com\/#organization"},"image":{"@id":"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/#primaryimage"},"thumbnailUrl":"https:\/\/news.smarttan.com\/wp-content\/uploads\/2025\/03\/Muscular-3-31-25.jpg","articleSection":["News"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/","url":"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/","name":"High-Dose Vitamin D May Help Direct Calories Toward Muscle Instead of Fat, Study Suggests - Smart Tan News","isPartOf":{"@id":"https:\/\/news.smarttan.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/#primaryimage"},"image":{"@id":"https:\/\/news.smarttan.com\/index.php\/high-dose-vitamin-d-may-help-direct-calories-toward-muscle-instead-of-fat\/#primaryimage"},"thumbnailUrl":"https:\/\/news.smarttan.com\/wp-content\/uploads\/2025\/03\/Muscular-3-31-25.jpg","datePublished":"2026-04-03T11:55:57+00:00","dateModified":"2026-04-03T12:01:55+00:00","description":"A study published in The Journal of Physiology is shines light on another powerful benefit of the \"sunshine vitamin\" (Zhang et al., 2025). As reported by Men\u2019s Health (Tracey, 2025), the research reveals vitamin D may also influence how your body uses and stores calories, specifically encouraging muscle growth over fat storage. According to the findings published in 2025, high doses of vitamin D could help shift the body\u2019s calorie allocation process. Researchers propose a new model involving two key signaling molecules: leptin and myostatin. Leptin, which is produced by fat cells, signals fullness, while myostatin, made by muscle, restricts muscle growth. The study suggests that vitamin D may modulate these signals, potentially promoting lean muscle development instead of fat accumulation when excess calories are consumed. This discovery offers intriguing implications for fitness, metabolism, and body composition \u2014 and it\u2019s one more reason to embrace responsible sun exposure and vitamin D support year-round. Click here to read the article from Men's Health. SmartTan.com news articles regularly report medical and scientific information to keep you abreast of current events related to UV light. This information is not intended to be used by any party to make unwarranted health claims to promote sunbed usage. Indoor tanning businesses are obligated to communicate a fair and balanced message to all clients about your products and services including the potential risks associated with indoor tanning. Contact your Smart Tan representative to find out more about what you can and can\u2019t say in your tanning salon business. \u00a9 2025 International Smart Tan Network. 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