{"id":2361,"date":"2009-08-04T03:59:04","date_gmt":"2009-08-04T07:59:04","guid":{"rendered":"https:\/\/smarttan.com\/blog\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/"},"modified":"2011-10-31T16:23:50","modified_gmt":"2011-10-31T16:23:50","slug":"the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3","status":"publish","type":"post","link":"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/","title":{"rendered":"The math showing that indoor tanning is a great source of vitamin D is indisputable"},"content":{"rendered":"<p> AUGUST 1, 2009 \u2014 Tanning beds may be even more effective as a vitamin D producer than was previously believed. That\u2019s the consensus of new research published by Dr. Michael Holick\u2019s group at Boston University. Holick\u2019s group studied 15 people aged 20-53, tracking their vitamin D blood levels as they tanned in tanning equipment three times a week. How\u2019d they do?<\/p>\n<ul>\n<li><!--more--> <a href=\"https:\/\/smarttan.com\/blog\/wp-content\/uploads\/2009\/07\/2009-07-31-vitamin-d-math-tanningnews-copy.jpg\" title=\"2009-07-31-vitamin-d-math-tanningnews-copy.jpg\"><img decoding=\"async\" src=\"https:\/\/smarttan.com\/blog\/wp-content\/uploads\/2009\/07\/2009-07-31-vitamin-d-math-tanningnews-copy.thumbnail.jpg\" style=\"margin: 5px 0px 5px 10px\" alt=\"2009-07-31-vitamin-d-math-tanningnews-copy.jpg\" vspace=\"5\" align=\"right\" hspace=\"10\" \/><\/a><strong>50 percent higher vitamin D blood levels after one week of tanning.<\/strong><\/li>\n<\/ul>\n<ul>\n<li><strong>150 percent higher vitamin D blood levels after 5 weeks of tanning.<\/strong><\/li>\n<\/ul>\n<p><strong>Bottom line: Un-natural supplements can&#8217;t do that! <\/strong>Not at over-the-counter levels. Consider: Three tanning sessions a week will deliver the equivalent of 30,000-75,000 international units of vitamin D (depending on skin type and other factors) \u2013 levels that cannot possibly be obtained through any other source. Even fresh salmon from the stream has a maximum of only 1,000 IU of vitamin D \u2013 not enough to move vitamin D blood levels nearly as much as tanning.<\/p>\n<p><strong>VITAMIN D SCIENTISTS <\/strong>now target vitamin D blood levels of 40-60 ng\/ml (nanograms per milliliter). Smart Tan is starting to call these levels <em><strong>\u201cNatural Vitamin D levels\u201d<\/strong><\/em> \u2013 amounts that are consistent only with natural outdoor living in sunny climates.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>AUGUST 1, 2009 \u2014 Tanning beds may be even more effective as a vitamin D producer than was previously believed. That\u2019s the consensus of new research published by Dr. Michael Holick\u2019s group at Boston University. Holick\u2019s group studied 15 people aged 20-53, tracking their vitamin D blood levels as they tanned in tanning equipment three [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2361","post","type-post","status-publish","format-standard","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>The math showing that indoor tanning is a great source of vitamin D is indisputable - Smart Tan News<\/title>\n<meta name=\"description\" content=\"AUGUST 1, 2009 \u2014 Tanning beds may be even more effective as a vitamin D producer than was previously believed. That\u2019s the consensus of new research published by Dr. Michael Holick\u2019s group at Boston University. Holick\u2019s group studied 15 people aged 20-53, tracking their vitamin D blood levels as they tanned in tanning equipment three times a week. How\u2019d they do?  50 percent higher vitamin D blood levels after one week of tanning.  150 percent higher vitamin D blood levels after 5 weeks of tanning. Bottom line: Un-natural supplements can&#039;t do that! Not at over-the-counter levels. Consider: Three tanning sessions a week will deliver the equivalent of 30,000-75,000 international units of vitamin D (depending on skin type and other factors) \u2013 levels that cannot possibly be obtained through any other source. Even fresh salmon from the stream has a maximum of only 1,000 IU of vitamin D \u2013 not enough to move vitamin D blood levels nearly as much as tanning. VITAMIN D SCIENTISTS now target vitamin D blood levels of 40-60 ng\/ml (nanograms per milliliter). Smart Tan is starting to call these levels \u201cNatural Vitamin D levels\u201d \u2013 amounts that are consistent only with natural outdoor living in sunny climates.\" \/>\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\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The math showing that indoor tanning is a great source of vitamin D is indisputable - Smart Tan News\" \/>\n<meta property=\"og:description\" content=\"AUGUST 1, 2009 \u2014 Tanning beds may be even more effective as a vitamin D producer than was previously believed. That\u2019s the consensus of new research published by Dr. Michael Holick\u2019s group at Boston University. Holick\u2019s group studied 15 people aged 20-53, tracking their vitamin D blood levels as they tanned in tanning equipment three times a week. How\u2019d they do?  50 percent higher vitamin D blood levels after one week of tanning.  150 percent higher vitamin D blood levels after 5 weeks of tanning. Bottom line: Un-natural supplements can&#039;t do that! Not at over-the-counter levels. Consider: Three tanning sessions a week will deliver the equivalent of 30,000-75,000 international units of vitamin D (depending on skin type and other factors) \u2013 levels that cannot possibly be obtained through any other source. Even fresh salmon from the stream has a maximum of only 1,000 IU of vitamin D \u2013 not enough to move vitamin D blood levels nearly as much as tanning. VITAMIN D SCIENTISTS now target vitamin D blood levels of 40-60 ng\/ml (nanograms per milliliter). Smart Tan is starting to call these levels \u201cNatural Vitamin D levels\u201d \u2013 amounts that are consistent only with natural outdoor living in sunny climates.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/\" \/>\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=\"2009-08-04T07:59:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2011-10-31T16:23:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/smarttan.com\/blog\/wp-content\/uploads\/2009\/07\/2009-07-31-vitamin-d-math-tanningnews-copy.thumbnail.jpg\" \/>\n<meta name=\"author\" content=\"smarttan\" \/>\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=\"smarttan\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/\"},\"author\":{\"name\":\"smarttan\",\"@id\":\"https:\/\/news.smarttan.com\/#\/schema\/person\/4191f4b1131c0a37b4fd39f876771e7b\"},\"headline\":\"The math showing that indoor tanning is a great source of vitamin D is indisputable\",\"datePublished\":\"2009-08-04T07:59:04+00:00\",\"dateModified\":\"2011-10-31T16:23:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/\"},\"wordCount\":210,\"publisher\":{\"@id\":\"https:\/\/news.smarttan.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/smarttan.com\/blog\/wp-content\/uploads\/2009\/07\/2009-07-31-vitamin-d-math-tanningnews-copy.thumbnail.jpg\",\"articleSection\":[\"News\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/\",\"url\":\"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/\",\"name\":\"The math showing that indoor tanning is a great source of vitamin D is indisputable - Smart Tan News\",\"isPartOf\":{\"@id\":\"https:\/\/news.smarttan.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/smarttan.com\/blog\/wp-content\/uploads\/2009\/07\/2009-07-31-vitamin-d-math-tanningnews-copy.thumbnail.jpg\",\"datePublished\":\"2009-08-04T07:59:04+00:00\",\"dateModified\":\"2011-10-31T16:23:50+00:00\",\"description\":\"AUGUST 1, 2009 \u2014 Tanning beds may be even more effective as a vitamin D producer than was previously believed. That\u2019s the consensus of new research published by Dr. Michael Holick\u2019s group at Boston University. Holick\u2019s group studied 15 people aged 20-53, tracking their vitamin D blood levels as they tanned in tanning equipment three times a week. How\u2019d they do? 50 percent higher vitamin D blood levels after one week of tanning. 150 percent higher vitamin D blood levels after 5 weeks of tanning. Bottom line: Un-natural supplements can't do that! Not at over-the-counter levels. Consider: Three tanning sessions a week will deliver the equivalent of 30,000-75,000 international units of vitamin D (depending on skin type and other factors) \u2013 levels that cannot possibly be obtained through any other source. Even fresh salmon from the stream has a maximum of only 1,000 IU of vitamin D \u2013 not enough to move vitamin D blood levels nearly as much as tanning. VITAMIN D SCIENTISTS now target vitamin D blood levels of 40-60 ng\/ml (nanograms per milliliter). Smart Tan is starting to call these levels \u201cNatural Vitamin D levels\u201d \u2013 amounts that are consistent only with natural outdoor living in sunny climates.\",\"breadcrumb\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#primaryimage\",\"url\":\"https:\/\/smarttan.com\/blog\/wp-content\/uploads\/2009\/07\/2009-07-31-vitamin-d-math-tanningnews-copy.thumbnail.jpg\",\"contentUrl\":\"https:\/\/smarttan.com\/blog\/wp-content\/uploads\/2009\/07\/2009-07-31-vitamin-d-math-tanningnews-copy.thumbnail.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/news.smarttan.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The math showing that indoor tanning is a great source of vitamin D is indisputable\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/news.smarttan.com\/#website\",\"url\":\"https:\/\/news.smarttan.com\/\",\"name\":\"Smart Tan News\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/news.smarttan.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/news.smarttan.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/news.smarttan.com\/#organization\",\"name\":\"Smart Tan\",\"url\":\"https:\/\/news.smarttan.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/news.smarttan.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/smarttan.com\/news\/wp-content\/uploads\/2022\/08\/Smart-Tan.png\",\"contentUrl\":\"https:\/\/smarttan.com\/news\/wp-content\/uploads\/2022\/08\/Smart-Tan.png\",\"width\":500,\"height\":164,\"caption\":\"Smart Tan\"},\"image\":{\"@id\":\"https:\/\/news.smarttan.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/SmartTan\",\"https:\/\/x.com\/SmartTan\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/news.smarttan.com\/#\/schema\/person\/4191f4b1131c0a37b4fd39f876771e7b\",\"name\":\"smarttan\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/secure.gravatar.com\/avatar\/60bebff64d4c62315967b9126de927b81d5a9d9511fd52f9dbe9e8b344149182?s=96&d=mm&r=g\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/60bebff64d4c62315967b9126de927b81d5a9d9511fd52f9dbe9e8b344149182?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/60bebff64d4c62315967b9126de927b81d5a9d9511fd52f9dbe9e8b344149182?s=96&d=mm&r=g\",\"caption\":\"smarttan\"},\"url\":\"https:\/\/news.smarttan.com\/index.php\/author\/smarttan\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"The math showing that indoor tanning is a great source of vitamin D is indisputable - Smart Tan News","description":"AUGUST 1, 2009 \u2014 Tanning beds may be even more effective as a vitamin D producer than was previously believed. That\u2019s the consensus of new research published by Dr. Michael Holick\u2019s group at Boston University. Holick\u2019s group studied 15 people aged 20-53, tracking their vitamin D blood levels as they tanned in tanning equipment three times a week. How\u2019d they do?  50 percent higher vitamin D blood levels after one week of tanning.  150 percent higher vitamin D blood levels after 5 weeks of tanning. Bottom line: Un-natural supplements can't do that! Not at over-the-counter levels. Consider: Three tanning sessions a week will deliver the equivalent of 30,000-75,000 international units of vitamin D (depending on skin type and other factors) \u2013 levels that cannot possibly be obtained through any other source. Even fresh salmon from the stream has a maximum of only 1,000 IU of vitamin D \u2013 not enough to move vitamin D blood levels nearly as much as tanning. VITAMIN D SCIENTISTS now target vitamin D blood levels of 40-60 ng\/ml (nanograms per milliliter). Smart Tan is starting to call these levels \u201cNatural Vitamin D levels\u201d \u2013 amounts that are consistent only with natural outdoor living in sunny climates.","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\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/","og_locale":"en_US","og_type":"article","og_title":"The math showing that indoor tanning is a great source of vitamin D is indisputable - Smart Tan News","og_description":"AUGUST 1, 2009 \u2014 Tanning beds may be even more effective as a vitamin D producer than was previously believed. That\u2019s the consensus of new research published by Dr. Michael Holick\u2019s group at Boston University. Holick\u2019s group studied 15 people aged 20-53, tracking their vitamin D blood levels as they tanned in tanning equipment three times a week. How\u2019d they do?  50 percent higher vitamin D blood levels after one week of tanning.  150 percent higher vitamin D blood levels after 5 weeks of tanning. Bottom line: Un-natural supplements can't do that! Not at over-the-counter levels. Consider: Three tanning sessions a week will deliver the equivalent of 30,000-75,000 international units of vitamin D (depending on skin type and other factors) \u2013 levels that cannot possibly be obtained through any other source. Even fresh salmon from the stream has a maximum of only 1,000 IU of vitamin D \u2013 not enough to move vitamin D blood levels nearly as much as tanning. VITAMIN D SCIENTISTS now target vitamin D blood levels of 40-60 ng\/ml (nanograms per milliliter). Smart Tan is starting to call these levels \u201cNatural Vitamin D levels\u201d \u2013 amounts that are consistent only with natural outdoor living in sunny climates.","og_url":"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/","og_site_name":"Smart Tan News","article_publisher":"https:\/\/www.facebook.com\/SmartTan","article_published_time":"2009-08-04T07:59:04+00:00","article_modified_time":"2011-10-31T16:23:50+00:00","og_image":[{"url":"https:\/\/smarttan.com\/blog\/wp-content\/uploads\/2009\/07\/2009-07-31-vitamin-d-math-tanningnews-copy.thumbnail.jpg","type":"","width":"","height":""}],"author":"smarttan","twitter_card":"summary_large_image","twitter_creator":"@SmartTan","twitter_site":"@SmartTan","twitter_misc":{"Written by":"smarttan","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#article","isPartOf":{"@id":"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/"},"author":{"name":"smarttan","@id":"https:\/\/news.smarttan.com\/#\/schema\/person\/4191f4b1131c0a37b4fd39f876771e7b"},"headline":"The math showing that indoor tanning is a great source of vitamin D is indisputable","datePublished":"2009-08-04T07:59:04+00:00","dateModified":"2011-10-31T16:23:50+00:00","mainEntityOfPage":{"@id":"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/"},"wordCount":210,"publisher":{"@id":"https:\/\/news.smarttan.com\/#organization"},"image":{"@id":"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#primaryimage"},"thumbnailUrl":"https:\/\/smarttan.com\/blog\/wp-content\/uploads\/2009\/07\/2009-07-31-vitamin-d-math-tanningnews-copy.thumbnail.jpg","articleSection":["News"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/","url":"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/","name":"The math showing that indoor tanning is a great source of vitamin D is indisputable - Smart Tan News","isPartOf":{"@id":"https:\/\/news.smarttan.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#primaryimage"},"image":{"@id":"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#primaryimage"},"thumbnailUrl":"https:\/\/smarttan.com\/blog\/wp-content\/uploads\/2009\/07\/2009-07-31-vitamin-d-math-tanningnews-copy.thumbnail.jpg","datePublished":"2009-08-04T07:59:04+00:00","dateModified":"2011-10-31T16:23:50+00:00","description":"AUGUST 1, 2009 \u2014 Tanning beds may be even more effective as a vitamin D producer than was previously believed. That\u2019s the consensus of new research published by Dr. Michael Holick\u2019s group at Boston University. Holick\u2019s group studied 15 people aged 20-53, tracking their vitamin D blood levels as they tanned in tanning equipment three times a week. How\u2019d they do? 50 percent higher vitamin D blood levels after one week of tanning. 150 percent higher vitamin D blood levels after 5 weeks of tanning. Bottom line: Un-natural supplements can't do that! Not at over-the-counter levels. Consider: Three tanning sessions a week will deliver the equivalent of 30,000-75,000 international units of vitamin D (depending on skin type and other factors) \u2013 levels that cannot possibly be obtained through any other source. Even fresh salmon from the stream has a maximum of only 1,000 IU of vitamin D \u2013 not enough to move vitamin D blood levels nearly as much as tanning. VITAMIN D SCIENTISTS now target vitamin D blood levels of 40-60 ng\/ml (nanograms per milliliter). Smart Tan is starting to call these levels \u201cNatural Vitamin D levels\u201d \u2013 amounts that are consistent only with natural outdoor living in sunny climates.","breadcrumb":{"@id":"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#primaryimage","url":"https:\/\/smarttan.com\/blog\/wp-content\/uploads\/2009\/07\/2009-07-31-vitamin-d-math-tanningnews-copy.thumbnail.jpg","contentUrl":"https:\/\/smarttan.com\/blog\/wp-content\/uploads\/2009\/07\/2009-07-31-vitamin-d-math-tanningnews-copy.thumbnail.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/news.smarttan.com\/index.php\/the-math-showing-that-indoor-tanning-is-a-great-source-of-vitamin-d-is-indisputable-3\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/news.smarttan.com\/"},{"@type":"ListItem","position":2,"name":"The math showing that indoor tanning is a great source of vitamin D is indisputable"}]},{"@type":"WebSite","@id":"https:\/\/news.smarttan.com\/#website","url":"https:\/\/news.smarttan.com\/","name":"Smart Tan News","description":"","publisher":{"@id":"https:\/\/news.smarttan.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/news.smarttan.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/news.smarttan.com\/#organization","name":"Smart Tan","url":"https:\/\/news.smarttan.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/news.smarttan.com\/#\/schema\/logo\/image\/","url":"https:\/\/smarttan.com\/news\/wp-content\/uploads\/2022\/08\/Smart-Tan.png","contentUrl":"https:\/\/smarttan.com\/news\/wp-content\/uploads\/2022\/08\/Smart-Tan.png","width":500,"height":164,"caption":"Smart Tan"},"image":{"@id":"https:\/\/news.smarttan.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/SmartTan","https:\/\/x.com\/SmartTan"]},{"@type":"Person","@id":"https:\/\/news.smarttan.com\/#\/schema\/person\/4191f4b1131c0a37b4fd39f876771e7b","name":"smarttan","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/60bebff64d4c62315967b9126de927b81d5a9d9511fd52f9dbe9e8b344149182?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/60bebff64d4c62315967b9126de927b81d5a9d9511fd52f9dbe9e8b344149182?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/60bebff64d4c62315967b9126de927b81d5a9d9511fd52f9dbe9e8b344149182?s=96&d=mm&r=g","caption":"smarttan"},"url":"https:\/\/news.smarttan.com\/index.php\/author\/smarttan\/"}]}},"_links":{"self":[{"href":"https:\/\/news.smarttan.com\/index.php\/wp-json\/wp\/v2\/posts\/2361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/news.smarttan.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news.smarttan.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/news.smarttan.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/news.smarttan.com\/index.php\/wp-json\/wp\/v2\/comments?post=2361"}],"version-history":[{"count":1,"href":"https:\/\/news.smarttan.com\/index.php\/wp-json\/wp\/v2\/posts\/2361\/revisions"}],"predecessor-version":[{"id":6937,"href":"https:\/\/news.smarttan.com\/index.php\/wp-json\/wp\/v2\/posts\/2361\/revisions\/6937"}],"wp:attachment":[{"href":"https:\/\/news.smarttan.com\/index.php\/wp-json\/wp\/v2\/media?parent=2361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news.smarttan.com\/index.php\/wp-json\/wp\/v2\/categories?post=2361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news.smarttan.com\/index.php\/wp-json\/wp\/v2\/tags?post=2361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}