{"id":27333,"date":"2025-10-29T11:39:45","date_gmt":"2025-10-29T15:39:45","guid":{"rendered":"https:\/\/news.smarttan.com\/?p=27333"},"modified":"2025-10-29T11:39:45","modified_gmt":"2025-10-29T15:39:45","slug":"november-means-no-vitamin-d-from-sunshine-heres-your-action-plan","status":"publish","type":"post","link":"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/","title":{"rendered":"November Means No Vitamin D from Sunshine\u2014Here&#8217;s Your Action Plan"},"content":{"rendered":"<p class=\"x_MsoNormal\"><b>TORONTO, ON (October 29, 2025)<\/b>\u00a0\u2013\u00a0Vitamin D winter has begun. The sun\u2019s UVB rays reaching earth in northern latitudes is now too weak to initiate vitamin D production in your skin. The Vitamin D Society through the 17<sup>th<\/sup> annual November Vitamin D Awareness Month and World Vitamin D Day on November 2<sup>nd<\/sup> is urging everyone to TAKE ACTION to prevent vitamin D deficiency this winter.<\/p>\n<p class=\"x_MsoNormal\">Historically, 90% of our vitamin D came from sunshine exposure. Sunshine contains UVB and this is what initiates vitamin D production through your skin. UVB rays are a short ray and need to be directly overhead to penetrate the earth\u2019s atmosphere. The best time to produce vitamin D is in the summer from 10am to 2pm when the sun is directly overhead. Your shadow needs to be shorter than your height and the UV index needs to be above 3.<\/p>\n<p class=\"x_MsoNormal\">In November, the northern hemisphere tilts away from the sun and the suns path is much lower in the sky. Shadows become longer. Research studies have shown that at latitudes above 37\u00b0N sunlight is insufficient to make vitamin D in your skin during the winter months.<\/p>\n<p class=\"x_MsoNormal\">Take action to make sure you are not vitamin D deficient this winter:<\/p>\n<p class=\"x_gmail-MsoListParagraphCxSpFirst\">1.\u00a0\u00a0\u00a0\u00a0 Adults need a daily vitamin D intake of 4,000 IU\/day (100 mcg) from all sources, according to levels recommended by vitamin D experts.<\/p>\n<p class=\"x_gmail-MsoListParagraphCxSpMiddle\">2.\u00a0\u00a0\u00a0\u00a0 Get out in the natural sunlight when the UV Index is above 3 and your shadow is shorter than your height. Remember to never sunburn.<\/p>\n<p class=\"x_gmail-MsoListParagraphCxSpMiddle\">3.\u00a0\u00a0\u00a0\u00a0 Consider <a title=\"https:\/\/www.youtube.com\/watch?v=C7Jz5X18OnA\" href=\"https:\/\/www.youtube.com\/watch?v=C7Jz5X18OnA\" data-outlook-id=\"6d08bad8-636b-49a7-92fd-f8022d5b486b\">artificial UVB exposure<\/a> when natural sunlight is weak or not available and your skin type can receive UV exposure without burning.<\/p>\n<p class=\"x_gmail-MsoListParagraphCxSpMiddle\">4.\u00a0\u00a0\u00a0\u00a0 Increase your food intake of fatty fish such as salmon.<\/p>\n<p class=\"x_gmail-MsoListParagraphCxSpMiddle\">5.\u00a0\u00a0\u00a0\u00a0 Take a vitamin D3 supplement to make up the balance when sun exposure is not available or a viable option. UVB from sunlight or a sunlamp is what makes vitamin D naturally in your skin. Remember vitamin D supplements don\u2019t replace all the benefits you get from sunlight. There are so many more photoproducts that sunlight creates in your skin, like nitric oxide for cardiovascular health.<\/p>\n<p class=\"x_gmail-MsoListParagraphCxSpLast\"><span class=\"x_gmail-MsoHyperlink\">6.\u00a0\u00a0\u00a0\u00a0 <\/span>Test and make sure your 25(OH)D blood level is between 100-150 nmol\/L (Canada) or 40-60 ng\/ml (USA). (<a title=\"https:\/\/www.grassrootshealth.net\/project\/daction\/\" href=\"https:\/\/www.grassrootshealth.net\/project\/daction\/\" data-outlook-id=\"3ea729da-041a-499c-a996-8e3e88c9d87c\">home-based test<\/a><span class=\"x_gmail-MsoHyperlink\">)<\/span><\/p>\n<p class=\"x_MsoNormal\">\u00a0Perry Holman, Executive Director of the Vitamin D Society states: \u201cResearchers are finding new benefits of sunlight that play a major role in reducing disease and supporting a longer, healthier life. The benefits of not getting enough sunlight far outweigh the risks. Make sure you do not sunburn.\u201d<\/p>\n<p class=\"x_MsoNormal\">Dr. Prue Hart an expert researcher studying immunology reports: &#8220;There is more multiple sclerosis in populations living further from the equator. Evidence suggests that lack of sun exposure, and particularly low levels of vitamin D and other molecules made in skin upon sun exposure, are responsible.&#8221;<\/p>\n<p class=\"x_MsoNormal\">\u00a0Our good friends at <a title=\"https:\/\/www.grassrootshealth.net\/\" href=\"https:\/\/www.grassrootshealth.net\/\" data-outlook-id=\"d2e0580f-ee90-4921-abd0-225859d8a125\">GrassrootsHealth<\/a> have some exciting news to share. This Vitamin D Day, on November 2nd, GrassrootsHealth will be announcing their new Vitamin D Scientists&#8217; Award Fund and annual award event, along with weekly &#8220;Vitamin D Study Hour&#8221; webinars featuring the world&#8217;s leading vitamin D researchers and experts. Be sure to sign up for their free weekly <a title=\"https:\/\/www.grassrootshealth.net\/project\/newsletter-sign-up\/\" href=\"https:\/\/www.grassrootshealth.net\/project\/newsletter-sign-up\/\" data-outlook-id=\"9d70e218-3e7e-4241-9969-26707d8f06fb\">newsletters<\/a> to keep on top of all the latest vitamin D research and upcoming webinars.<\/p>\n<p class=\"x_MsoNormal\">For more information on World Vitamin D Day on November 2<sup>nd<\/sup>, please visit our\u00a0<a title=\"https:\/\/worldvitamindday.net\/\" href=\"https:\/\/worldvitamindday.net\/\" data-outlook-id=\"b4a5bdbe-ef6a-4f3e-a811-b723a91c0adc\">website<\/a> and help take action to STOP vitamin D deficiency. To help us inform Canadians, please consider sharing one of our graphics from the <a title=\"https:\/\/worldvitamindday.net\/tools.php\" href=\"https:\/\/worldvitamindday.net\/tools.php\" data-outlook-id=\"95b16522-53ab-40a3-9a13-d74cfd8dc49d\">Tools section<\/a> on social media on November 2<sup>nd<\/sup> and throughout November. Thank you!<\/p>\n<p class=\"x_MsoNormal\">Please help STOP Vitamin D Deficiency!<\/p>\n<p class=\"x_MsoNormal\"><b>About the Vitamin D Society:<\/b><\/p>\n<p class=\"x_MsoNormal\">The Vitamin D Society is a Canadian non-profit group organized to increase awareness of the many health conditions strongly linked to vitamin D deficiency; encourage people to be proactive in protecting their health and have their vitamin D levels tested annually; and help fund valuable vitamin D research. The Vitamin D Society recommends people achieve and maintain optimal 25(OH)D blood levels between 100 \u2013 150 nmol\/L (Can) or 40-60 ng\/ml (USA).<\/p>\n<p class=\"x_MsoNormal\">To learn more about vitamin D, please visit\u00a0<a title=\"http:\/\/www.vitamindsociety.org\/\" href=\"http:\/\/www.vitamindsociety.org\/\" data-outlook-id=\"d178d259-8afb-43ca-a5ae-826d07bd3aa0\">www.vitamindsociety.org<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #666699;\"><em>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&#8217;t say in your tanning salon business.<\/em><\/span><\/p>\n<p><span style=\"color: #666699;\"><em>\u00a9 2025 International Smart Tan Network. All rights reserved.<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>TORONTO, ON (October 29, 2025)\u00a0\u2013\u00a0Vitamin D winter has begun. The sun\u2019s UVB rays reaching earth in northern latitudes is now too weak to initiate vitamin D production in your skin. The Vitamin D Society through the 17th annual November Vitamin D Awareness Month and World Vitamin D Day on November 2nd is urging everyone to [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":27334,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-27333","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>November Means No Vitamin D from Sunshine\u2014Here&#039;s Your Action Plan - Smart Tan News<\/title>\n<meta name=\"description\" content=\"TORONTO, ON (October 29, 2025)\u00a0\u2013\u00a0Vitamin D winter has begun. The sun\u2019s UVB rays reaching earth in northern latitudes is now too weak to initiate vitamin D production in your skin. The Vitamin D Society through the 17th annual November Vitamin D Awareness Month and World Vitamin D Day on November 2nd is urging everyone to TAKE ACTION to prevent vitamin D deficiency this winter. Historically, 90% of our vitamin D came from sunshine exposure. Sunshine contains UVB and this is what initiates vitamin D production through your skin. UVB rays are a short ray and need to be directly overhead to penetrate the earth\u2019s atmosphere. The best time to produce vitamin D is in the summer from 10am to 2pm when the sun is directly overhead. Your shadow needs to be shorter than your height and the UV index needs to be above 3. In November, the northern hemisphere tilts away from the sun and the suns path is much lower in the sky. Shadows become longer. Research studies have shown that at latitudes above 37\u00b0N sunlight is insufficient to make vitamin D in your skin during the winter months. Take action to make sure you are not vitamin D deficient this winter: 1.\u00a0\u00a0\u00a0\u00a0 Adults need a daily vitamin D intake of 4,000 IU\/day (100 mcg) from all sources, according to levels recommended by vitamin D experts. 2.\u00a0\u00a0\u00a0\u00a0 Get out in the natural sunlight when the UV Index is above 3 and your shadow is shorter than your height. Remember to never sunburn. 3.\u00a0\u00a0\u00a0\u00a0 Consider artificial UVB exposure when natural sunlight is weak or not available and your skin type can receive UV exposure without burning. 4.\u00a0\u00a0\u00a0\u00a0 Increase your food intake of fatty fish such as salmon. 5.\u00a0\u00a0\u00a0\u00a0 Take a vitamin D3 supplement to make up the balance when sun exposure is not available or a viable option. UVB from sunlight or a sunlamp is what makes vitamin D naturally in your skin. Remember vitamin D supplements don\u2019t replace all the benefits you get from sunlight. There are so many more photoproducts that sunlight creates in your skin, like nitric oxide for cardiovascular health. 6.\u00a0\u00a0\u00a0\u00a0 Test and make sure your 25(OH)D blood level is between 100-150 nmol\/L (Canada) or 40-60 ng\/ml (USA). (home-based test) \u00a0Perry Holman, Executive Director of the Vitamin D Society states: \u201cResearchers are finding new benefits of sunlight that play a major role in reducing disease and supporting a longer, healthier life. The benefits of not getting enough sunlight far outweigh the risks. Make sure you do not sunburn.\u201d Dr. Prue Hart an expert researcher studying immunology reports: &quot;There is more multiple sclerosis in populations living further from the equator. Evidence suggests that lack of sun exposure, and particularly low levels of vitamin D and other molecules made in skin upon sun exposure, are responsible.&quot; \u00a0Our good friends at GrassrootsHealth have some exciting news to share. This Vitamin D Day, on November 2nd, GrassrootsHealth will be announcing their new Vitamin D Scientists&#039; Award Fund and annual award event, along with weekly &quot;Vitamin D Study Hour&quot; webinars featuring the world&#039;s leading vitamin D researchers and experts. Be sure to sign up for their free weekly newsletters to keep on top of all the latest vitamin D research and upcoming webinars. For more information on World Vitamin D Day on November 2nd, please visit our\u00a0website and help take action to STOP vitamin D deficiency. To help us inform Canadians, please consider sharing one of our graphics from the Tools section on social media on November 2nd and throughout November. Thank you! Please help STOP Vitamin D Deficiency! About the Vitamin D Society: The Vitamin D Society is a Canadian non-profit group organized to increase awareness of the many health conditions strongly linked to vitamin D deficiency; encourage people to be proactive in protecting their health and have their vitamin D levels tested annually; and help fund valuable vitamin D research. The Vitamin D Society recommends people achieve and maintain optimal 25(OH)D blood levels between 100 \u2013 150 nmol\/L (Can) or 40-60 ng\/ml (USA). To learn more about vitamin D, please visit\u00a0www.vitamindsociety.org &nbsp;  &nbsp;  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&#039;t 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\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"November Means No Vitamin D from Sunshine\u2014Here&#039;s Your Action Plan - Smart Tan News\" \/>\n<meta property=\"og:description\" content=\"TORONTO, ON (October 29, 2025)\u00a0\u2013\u00a0Vitamin D winter has begun. The sun\u2019s UVB rays reaching earth in northern latitudes is now too weak to initiate vitamin D production in your skin. The Vitamin D Society through the 17th annual November Vitamin D Awareness Month and World Vitamin D Day on November 2nd is urging everyone to TAKE ACTION to prevent vitamin D deficiency this winter. Historically, 90% of our vitamin D came from sunshine exposure. Sunshine contains UVB and this is what initiates vitamin D production through your skin. UVB rays are a short ray and need to be directly overhead to penetrate the earth\u2019s atmosphere. The best time to produce vitamin D is in the summer from 10am to 2pm when the sun is directly overhead. Your shadow needs to be shorter than your height and the UV index needs to be above 3. In November, the northern hemisphere tilts away from the sun and the suns path is much lower in the sky. Shadows become longer. Research studies have shown that at latitudes above 37\u00b0N sunlight is insufficient to make vitamin D in your skin during the winter months. Take action to make sure you are not vitamin D deficient this winter: 1.\u00a0\u00a0\u00a0\u00a0 Adults need a daily vitamin D intake of 4,000 IU\/day (100 mcg) from all sources, according to levels recommended by vitamin D experts. 2.\u00a0\u00a0\u00a0\u00a0 Get out in the natural sunlight when the UV Index is above 3 and your shadow is shorter than your height. Remember to never sunburn. 3.\u00a0\u00a0\u00a0\u00a0 Consider artificial UVB exposure when natural sunlight is weak or not available and your skin type can receive UV exposure without burning. 4.\u00a0\u00a0\u00a0\u00a0 Increase your food intake of fatty fish such as salmon. 5.\u00a0\u00a0\u00a0\u00a0 Take a vitamin D3 supplement to make up the balance when sun exposure is not available or a viable option. UVB from sunlight or a sunlamp is what makes vitamin D naturally in your skin. Remember vitamin D supplements don\u2019t replace all the benefits you get from sunlight. There are so many more photoproducts that sunlight creates in your skin, like nitric oxide for cardiovascular health. 6.\u00a0\u00a0\u00a0\u00a0 Test and make sure your 25(OH)D blood level is between 100-150 nmol\/L (Canada) or 40-60 ng\/ml (USA). (home-based test) \u00a0Perry Holman, Executive Director of the Vitamin D Society states: \u201cResearchers are finding new benefits of sunlight that play a major role in reducing disease and supporting a longer, healthier life. The benefits of not getting enough sunlight far outweigh the risks. Make sure you do not sunburn.\u201d Dr. Prue Hart an expert researcher studying immunology reports: &quot;There is more multiple sclerosis in populations living further from the equator. Evidence suggests that lack of sun exposure, and particularly low levels of vitamin D and other molecules made in skin upon sun exposure, are responsible.&quot; \u00a0Our good friends at GrassrootsHealth have some exciting news to share. This Vitamin D Day, on November 2nd, GrassrootsHealth will be announcing their new Vitamin D Scientists&#039; Award Fund and annual award event, along with weekly &quot;Vitamin D Study Hour&quot; webinars featuring the world&#039;s leading vitamin D researchers and experts. Be sure to sign up for their free weekly newsletters to keep on top of all the latest vitamin D research and upcoming webinars. For more information on World Vitamin D Day on November 2nd, please visit our\u00a0website and help take action to STOP vitamin D deficiency. To help us inform Canadians, please consider sharing one of our graphics from the Tools section on social media on November 2nd and throughout November. Thank you! Please help STOP Vitamin D Deficiency! About the Vitamin D Society: The Vitamin D Society is a Canadian non-profit group organized to increase awareness of the many health conditions strongly linked to vitamin D deficiency; encourage people to be proactive in protecting their health and have their vitamin D levels tested annually; and help fund valuable vitamin D research. The Vitamin D Society recommends people achieve and maintain optimal 25(OH)D blood levels between 100 \u2013 150 nmol\/L (Can) or 40-60 ng\/ml (USA). To learn more about vitamin D, please visit\u00a0www.vitamindsociety.org &nbsp;  &nbsp;  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&#039;t 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\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/\" \/>\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=\"2025-10-29T15:39:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/news.smarttan.com\/wp-content\/uploads\/2025\/10\/Vitamin-D-Dat-10-29-25.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1184\" \/>\n\t<meta property=\"og:image:height\" content=\"640\" \/>\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=\"4 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\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/\"},\"author\":{\"name\":\"smarttannews\",\"@id\":\"https:\/\/news.smarttan.com\/#\/schema\/person\/722dc7049af55e0ed743d67ce9ed4819\"},\"headline\":\"November Means No Vitamin D from Sunshine\u2014Here&#8217;s Your Action Plan\",\"datePublished\":\"2025-10-29T15:39:45+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/\"},\"wordCount\":791,\"publisher\":{\"@id\":\"https:\/\/news.smarttan.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/news.smarttan.com\/wp-content\/uploads\/2025\/10\/Vitamin-D-Dat-10-29-25.jpg\",\"articleSection\":[\"News\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/\",\"url\":\"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/\",\"name\":\"November Means No Vitamin D from Sunshine\u2014Here's Your Action Plan - Smart Tan News\",\"isPartOf\":{\"@id\":\"https:\/\/news.smarttan.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/news.smarttan.com\/wp-content\/uploads\/2025\/10\/Vitamin-D-Dat-10-29-25.jpg\",\"datePublished\":\"2025-10-29T15:39:45+00:00\",\"description\":\"TORONTO, ON (October 29, 2025)\u00a0\u2013\u00a0Vitamin D winter has begun. The sun\u2019s UVB rays reaching earth in northern latitudes is now too weak to initiate vitamin D production in your skin. The Vitamin D Society through the 17th annual November Vitamin D Awareness Month and World Vitamin D Day on November 2nd is urging everyone to TAKE ACTION to prevent vitamin D deficiency this winter. Historically, 90% of our vitamin D came from sunshine exposure. Sunshine contains UVB and this is what initiates vitamin D production through your skin. UVB rays are a short ray and need to be directly overhead to penetrate the earth\u2019s atmosphere. The best time to produce vitamin D is in the summer from 10am to 2pm when the sun is directly overhead. Your shadow needs to be shorter than your height and the UV index needs to be above 3. In November, the northern hemisphere tilts away from the sun and the suns path is much lower in the sky. Shadows become longer. Research studies have shown that at latitudes above 37\u00b0N sunlight is insufficient to make vitamin D in your skin during the winter months. Take action to make sure you are not vitamin D deficient this winter: 1.\u00a0\u00a0\u00a0\u00a0 Adults need a daily vitamin D intake of 4,000 IU\/day (100 mcg) from all sources, according to levels recommended by vitamin D experts. 2.\u00a0\u00a0\u00a0\u00a0 Get out in the natural sunlight when the UV Index is above 3 and your shadow is shorter than your height. Remember to never sunburn. 3.\u00a0\u00a0\u00a0\u00a0 Consider artificial UVB exposure when natural sunlight is weak or not available and your skin type can receive UV exposure without burning. 4.\u00a0\u00a0\u00a0\u00a0 Increase your food intake of fatty fish such as salmon. 5.\u00a0\u00a0\u00a0\u00a0 Take a vitamin D3 supplement to make up the balance when sun exposure is not available or a viable option. UVB from sunlight or a sunlamp is what makes vitamin D naturally in your skin. Remember vitamin D supplements don\u2019t replace all the benefits you get from sunlight. There are so many more photoproducts that sunlight creates in your skin, like nitric oxide for cardiovascular health. 6.\u00a0\u00a0\u00a0\u00a0 Test and make sure your 25(OH)D blood level is between 100-150 nmol\/L (Canada) or 40-60 ng\/ml (USA). (home-based test) \u00a0Perry Holman, Executive Director of the Vitamin D Society states: \u201cResearchers are finding new benefits of sunlight that play a major role in reducing disease and supporting a longer, healthier life. The benefits of not getting enough sunlight far outweigh the risks. Make sure you do not sunburn.\u201d Dr. Prue Hart an expert researcher studying immunology reports: \\\"There is more multiple sclerosis in populations living further from the equator. Evidence suggests that lack of sun exposure, and particularly low levels of vitamin D and other molecules made in skin upon sun exposure, are responsible.\\\" \u00a0Our good friends at GrassrootsHealth have some exciting news to share. This Vitamin D Day, on November 2nd, GrassrootsHealth will be announcing their new Vitamin D Scientists' Award Fund and annual award event, along with weekly \\\"Vitamin D Study Hour\\\" webinars featuring the world's leading vitamin D researchers and experts. Be sure to sign up for their free weekly newsletters to keep on top of all the latest vitamin D research and upcoming webinars. For more information on World Vitamin D Day on November 2nd, please visit our\u00a0website and help take action to STOP vitamin D deficiency. To help us inform Canadians, please consider sharing one of our graphics from the Tools section on social media on November 2nd and throughout November. Thank you! Please help STOP Vitamin D Deficiency! About the Vitamin D Society: The Vitamin D Society is a Canadian non-profit group organized to increase awareness of the many health conditions strongly linked to vitamin D deficiency; encourage people to be proactive in protecting their health and have their vitamin D levels tested annually; and help fund valuable vitamin D research. The Vitamin D Society recommends people achieve and maintain optimal 25(OH)D blood levels between 100 \u2013 150 nmol\/L (Can) or 40-60 ng\/ml (USA). To learn more about vitamin D, please visit\u00a0www.vitamindsociety.org &nbsp; &nbsp; 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't say in your tanning salon business. \u00a9 2025 International Smart Tan Network. 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The sun\u2019s UVB rays reaching earth in northern latitudes is now too weak to initiate vitamin D production in your skin. The Vitamin D Society through the 17th annual November Vitamin D Awareness Month and World Vitamin D Day on November 2nd is urging everyone to TAKE ACTION to prevent vitamin D deficiency this winter. Historically, 90% of our vitamin D came from sunshine exposure. Sunshine contains UVB and this is what initiates vitamin D production through your skin. UVB rays are a short ray and need to be directly overhead to penetrate the earth\u2019s atmosphere. The best time to produce vitamin D is in the summer from 10am to 2pm when the sun is directly overhead. Your shadow needs to be shorter than your height and the UV index needs to be above 3. In November, the northern hemisphere tilts away from the sun and the suns path is much lower in the sky. Shadows become longer. Research studies have shown that at latitudes above 37\u00b0N sunlight is insufficient to make vitamin D in your skin during the winter months. Take action to make sure you are not vitamin D deficient this winter: 1.\u00a0\u00a0\u00a0\u00a0 Adults need a daily vitamin D intake of 4,000 IU\/day (100 mcg) from all sources, according to levels recommended by vitamin D experts. 2.\u00a0\u00a0\u00a0\u00a0 Get out in the natural sunlight when the UV Index is above 3 and your shadow is shorter than your height. Remember to never sunburn. 3.\u00a0\u00a0\u00a0\u00a0 Consider artificial UVB exposure when natural sunlight is weak or not available and your skin type can receive UV exposure without burning. 4.\u00a0\u00a0\u00a0\u00a0 Increase your food intake of fatty fish such as salmon. 5.\u00a0\u00a0\u00a0\u00a0 Take a vitamin D3 supplement to make up the balance when sun exposure is not available or a viable option. UVB from sunlight or a sunlamp is what makes vitamin D naturally in your skin. Remember vitamin D supplements don\u2019t replace all the benefits you get from sunlight. There are so many more photoproducts that sunlight creates in your skin, like nitric oxide for cardiovascular health. 6.\u00a0\u00a0\u00a0\u00a0 Test and make sure your 25(OH)D blood level is between 100-150 nmol\/L (Canada) or 40-60 ng\/ml (USA). (home-based test) \u00a0Perry Holman, Executive Director of the Vitamin D Society states: \u201cResearchers are finding new benefits of sunlight that play a major role in reducing disease and supporting a longer, healthier life. The benefits of not getting enough sunlight far outweigh the risks. Make sure you do not sunburn.\u201d Dr. Prue Hart an expert researcher studying immunology reports: \"There is more multiple sclerosis in populations living further from the equator. Evidence suggests that lack of sun exposure, and particularly low levels of vitamin D and other molecules made in skin upon sun exposure, are responsible.\" \u00a0Our good friends at GrassrootsHealth have some exciting news to share. This Vitamin D Day, on November 2nd, GrassrootsHealth will be announcing their new Vitamin D Scientists' Award Fund and annual award event, along with weekly \"Vitamin D Study Hour\" webinars featuring the world's leading vitamin D researchers and experts. Be sure to sign up for their free weekly newsletters to keep on top of all the latest vitamin D research and upcoming webinars. For more information on World Vitamin D Day on November 2nd, please visit our\u00a0website and help take action to STOP vitamin D deficiency. To help us inform Canadians, please consider sharing one of our graphics from the Tools section on social media on November 2nd and throughout November. Thank you! Please help STOP Vitamin D Deficiency! About the Vitamin D Society: The Vitamin D Society is a Canadian non-profit group organized to increase awareness of the many health conditions strongly linked to vitamin D deficiency; encourage people to be proactive in protecting their health and have their vitamin D levels tested annually; and help fund valuable vitamin D research. The Vitamin D Society recommends people achieve and maintain optimal 25(OH)D blood levels between 100 \u2013 150 nmol\/L (Can) or 40-60 ng\/ml (USA). To learn more about vitamin D, please visit\u00a0www.vitamindsociety.org &nbsp;  &nbsp;  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't 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\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/","og_locale":"en_US","og_type":"article","og_title":"November Means No Vitamin D from Sunshine\u2014Here's Your Action Plan - Smart Tan News","og_description":"TORONTO, ON (October 29, 2025)\u00a0\u2013\u00a0Vitamin D winter has begun. The sun\u2019s UVB rays reaching earth in northern latitudes is now too weak to initiate vitamin D production in your skin. The Vitamin D Society through the 17th annual November Vitamin D Awareness Month and World Vitamin D Day on November 2nd is urging everyone to TAKE ACTION to prevent vitamin D deficiency this winter. Historically, 90% of our vitamin D came from sunshine exposure. Sunshine contains UVB and this is what initiates vitamin D production through your skin. UVB rays are a short ray and need to be directly overhead to penetrate the earth\u2019s atmosphere. The best time to produce vitamin D is in the summer from 10am to 2pm when the sun is directly overhead. Your shadow needs to be shorter than your height and the UV index needs to be above 3. In November, the northern hemisphere tilts away from the sun and the suns path is much lower in the sky. Shadows become longer. Research studies have shown that at latitudes above 37\u00b0N sunlight is insufficient to make vitamin D in your skin during the winter months. Take action to make sure you are not vitamin D deficient this winter: 1.\u00a0\u00a0\u00a0\u00a0 Adults need a daily vitamin D intake of 4,000 IU\/day (100 mcg) from all sources, according to levels recommended by vitamin D experts. 2.\u00a0\u00a0\u00a0\u00a0 Get out in the natural sunlight when the UV Index is above 3 and your shadow is shorter than your height. Remember to never sunburn. 3.\u00a0\u00a0\u00a0\u00a0 Consider artificial UVB exposure when natural sunlight is weak or not available and your skin type can receive UV exposure without burning. 4.\u00a0\u00a0\u00a0\u00a0 Increase your food intake of fatty fish such as salmon. 5.\u00a0\u00a0\u00a0\u00a0 Take a vitamin D3 supplement to make up the balance when sun exposure is not available or a viable option. UVB from sunlight or a sunlamp is what makes vitamin D naturally in your skin. Remember vitamin D supplements don\u2019t replace all the benefits you get from sunlight. There are so many more photoproducts that sunlight creates in your skin, like nitric oxide for cardiovascular health. 6.\u00a0\u00a0\u00a0\u00a0 Test and make sure your 25(OH)D blood level is between 100-150 nmol\/L (Canada) or 40-60 ng\/ml (USA). (home-based test) \u00a0Perry Holman, Executive Director of the Vitamin D Society states: \u201cResearchers are finding new benefits of sunlight that play a major role in reducing disease and supporting a longer, healthier life. The benefits of not getting enough sunlight far outweigh the risks. Make sure you do not sunburn.\u201d Dr. Prue Hart an expert researcher studying immunology reports: \"There is more multiple sclerosis in populations living further from the equator. Evidence suggests that lack of sun exposure, and particularly low levels of vitamin D and other molecules made in skin upon sun exposure, are responsible.\" \u00a0Our good friends at GrassrootsHealth have some exciting news to share. This Vitamin D Day, on November 2nd, GrassrootsHealth will be announcing their new Vitamin D Scientists' Award Fund and annual award event, along with weekly \"Vitamin D Study Hour\" webinars featuring the world's leading vitamin D researchers and experts. Be sure to sign up for their free weekly newsletters to keep on top of all the latest vitamin D research and upcoming webinars. For more information on World Vitamin D Day on November 2nd, please visit our\u00a0website and help take action to STOP vitamin D deficiency. To help us inform Canadians, please consider sharing one of our graphics from the Tools section on social media on November 2nd and throughout November. Thank you! Please help STOP Vitamin D Deficiency! About the Vitamin D Society: The Vitamin D Society is a Canadian non-profit group organized to increase awareness of the many health conditions strongly linked to vitamin D deficiency; encourage people to be proactive in protecting their health and have their vitamin D levels tested annually; and help fund valuable vitamin D research. The Vitamin D Society recommends people achieve and maintain optimal 25(OH)D blood levels between 100 \u2013 150 nmol\/L (Can) or 40-60 ng\/ml (USA). To learn more about vitamin D, please visit\u00a0www.vitamindsociety.org &nbsp;  &nbsp;  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't say in your tanning salon business.  \u00a9 2025 International Smart Tan Network. All rights reserved.","og_url":"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/","og_site_name":"Smart Tan News","article_publisher":"https:\/\/www.facebook.com\/SmartTan","article_published_time":"2025-10-29T15:39:45+00:00","og_image":[{"width":1184,"height":640,"url":"https:\/\/news.smarttan.com\/wp-content\/uploads\/2025\/10\/Vitamin-D-Dat-10-29-25.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":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/#article","isPartOf":{"@id":"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/"},"author":{"name":"smarttannews","@id":"https:\/\/news.smarttan.com\/#\/schema\/person\/722dc7049af55e0ed743d67ce9ed4819"},"headline":"November Means No Vitamin D from Sunshine\u2014Here&#8217;s Your Action Plan","datePublished":"2025-10-29T15:39:45+00:00","mainEntityOfPage":{"@id":"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/"},"wordCount":791,"publisher":{"@id":"https:\/\/news.smarttan.com\/#organization"},"image":{"@id":"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/#primaryimage"},"thumbnailUrl":"https:\/\/news.smarttan.com\/wp-content\/uploads\/2025\/10\/Vitamin-D-Dat-10-29-25.jpg","articleSection":["News"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/","url":"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/","name":"November Means No Vitamin D from Sunshine\u2014Here's Your Action Plan - Smart Tan News","isPartOf":{"@id":"https:\/\/news.smarttan.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/#primaryimage"},"image":{"@id":"https:\/\/news.smarttan.com\/index.php\/november-means-no-vitamin-d-from-sunshine-heres-your-action-plan\/#primaryimage"},"thumbnailUrl":"https:\/\/news.smarttan.com\/wp-content\/uploads\/2025\/10\/Vitamin-D-Dat-10-29-25.jpg","datePublished":"2025-10-29T15:39:45+00:00","description":"TORONTO, ON (October 29, 2025)\u00a0\u2013\u00a0Vitamin D winter has begun. The sun\u2019s UVB rays reaching earth in northern latitudes is now too weak to initiate vitamin D production in your skin. The Vitamin D Society through the 17th annual November Vitamin D Awareness Month and World Vitamin D Day on November 2nd is urging everyone to TAKE ACTION to prevent vitamin D deficiency this winter. Historically, 90% of our vitamin D came from sunshine exposure. Sunshine contains UVB and this is what initiates vitamin D production through your skin. UVB rays are a short ray and need to be directly overhead to penetrate the earth\u2019s atmosphere. The best time to produce vitamin D is in the summer from 10am to 2pm when the sun is directly overhead. Your shadow needs to be shorter than your height and the UV index needs to be above 3. In November, the northern hemisphere tilts away from the sun and the suns path is much lower in the sky. Shadows become longer. Research studies have shown that at latitudes above 37\u00b0N sunlight is insufficient to make vitamin D in your skin during the winter months. Take action to make sure you are not vitamin D deficient this winter: 1.\u00a0\u00a0\u00a0\u00a0 Adults need a daily vitamin D intake of 4,000 IU\/day (100 mcg) from all sources, according to levels recommended by vitamin D experts. 2.\u00a0\u00a0\u00a0\u00a0 Get out in the natural sunlight when the UV Index is above 3 and your shadow is shorter than your height. Remember to never sunburn. 3.\u00a0\u00a0\u00a0\u00a0 Consider artificial UVB exposure when natural sunlight is weak or not available and your skin type can receive UV exposure without burning. 4.\u00a0\u00a0\u00a0\u00a0 Increase your food intake of fatty fish such as salmon. 5.\u00a0\u00a0\u00a0\u00a0 Take a vitamin D3 supplement to make up the balance when sun exposure is not available or a viable option. UVB from sunlight or a sunlamp is what makes vitamin D naturally in your skin. Remember vitamin D supplements don\u2019t replace all the benefits you get from sunlight. There are so many more photoproducts that sunlight creates in your skin, like nitric oxide for cardiovascular health. 6.\u00a0\u00a0\u00a0\u00a0 Test and make sure your 25(OH)D blood level is between 100-150 nmol\/L (Canada) or 40-60 ng\/ml (USA). (home-based test) \u00a0Perry Holman, Executive Director of the Vitamin D Society states: \u201cResearchers are finding new benefits of sunlight that play a major role in reducing disease and supporting a longer, healthier life. The benefits of not getting enough sunlight far outweigh the risks. Make sure you do not sunburn.\u201d Dr. Prue Hart an expert researcher studying immunology reports: \"There is more multiple sclerosis in populations living further from the equator. Evidence suggests that lack of sun exposure, and particularly low levels of vitamin D and other molecules made in skin upon sun exposure, are responsible.\" \u00a0Our good friends at GrassrootsHealth have some exciting news to share. This Vitamin D Day, on November 2nd, GrassrootsHealth will be announcing their new Vitamin D Scientists' Award Fund and annual award event, along with weekly \"Vitamin D Study Hour\" webinars featuring the world's leading vitamin D researchers and experts. Be sure to sign up for their free weekly newsletters to keep on top of all the latest vitamin D research and upcoming webinars. For more information on World Vitamin D Day on November 2nd, please visit our\u00a0website and help take action to STOP vitamin D deficiency. To help us inform Canadians, please consider sharing one of our graphics from the Tools section on social media on November 2nd and throughout November. Thank you! Please help STOP Vitamin D Deficiency! About the Vitamin D Society: The Vitamin D Society is a Canadian non-profit group organized to increase awareness of the many health conditions strongly linked to vitamin D deficiency; encourage people to be proactive in protecting their health and have their vitamin D levels tested annually; and help fund valuable vitamin D research. The Vitamin D Society recommends people achieve and maintain optimal 25(OH)D blood levels between 100 \u2013 150 nmol\/L (Can) or 40-60 ng\/ml (USA). To learn more about vitamin D, please visit\u00a0www.vitamindsociety.org &nbsp; &nbsp; 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't say in your tanning salon business. \u00a9 2025 International Smart Tan Network. 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