{"id":6057,"date":"2025-05-17T15:54:09","date_gmt":"2025-05-17T12:54:09","guid":{"rendered":"https:\/\/qubtiva.com\/?p=6057"},"modified":"2025-08-14T14:35:20","modified_gmt":"2025-08-14T11:35:20","slug":"how-vitamin-d-changes-your-body","status":"publish","type":"post","link":"https:\/\/qubtiva.com\/en\/how-vitamin-d-changes-your-body\/","title":{"rendered":"How Vitamin D Changes Your Body"},"content":{"rendered":"
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Vitamin D is the best example of the benefits offered to the human body by nature. From the health of the body's bone tissue to the immune system, from cellular regeneration to mood stabilization, it plays a critical role for a sustainable healthy life by maximizing the quality of life.<\/strong><\/p>\n

Vitamin D3 (Cholecalciferol) Definition<\/strong><\/h6>\n

Vitamin D3, chemically known as cholecalciferol, is a fat-soluble vitamin with molecular formula C27H44O and molecular weight 384.64. It is available in the form of white crystals or crystallized powder, odorless and tasteless. It has a melting point between 83-86\u00b0C and is practically insoluble in water; it is easily soluble in ethanol and oils. Vitamin D3 is sensitive to air, moisture and light.<\/p>\n

The main source of vitamin D3 is sunlight. It is produced by the interaction of 7-dehydrocholesterol in human skin with ultraviolet B (UVB) rays. In this process, cholecalciferol is first formed; then it is converted in the liver to its intermediate form (25(OH)D3), which is found in human circulation, and then to its active form called calcitriol (1,25(OH)\u2082D3) in the kidneys.<\/p>\n

Health Effects of Vitamin D3<\/strong><\/h6>\n

Vitamin D3 has numerous biological functions in the human body:<\/p>\n

Bone Health<\/strong><\/p>\n

The best known function of vitamin D3 is on bone health. It promotes bone mineralization by increasing intestinal absorption of calcium, magnesium, phosphorus and silicon. Deficiency can lead to diseases such as rickets in children, osteomalacia and osteoporosis in adults.<\/p>\n

Immune System<\/strong><\/p>\n

Qubtiva Vitamin D3 plays an important role in strengthening the immune system. It has been shown to reduce the risk of acute respiratory infections. Its potential to prevent hospitalizations for viral infections was discovered in clinical trials during the pandemic, leading to a significant increase in its use by healthcare professionals.<\/p>\n

Cardiovascular Health<\/strong><\/p>\n

Low Vitamin D levels have been associated with risks of hypertension, heart failure and stroke. However, studies on the effectiveness of Vitamin D supplements in preventing cardiovascular diseases have yielded different results. In the light of this information, personalized supplementation programs that aim to correct other possible deficiencies, taking into account the effects of vitamin D deficiency on mineral levels in the body, stand out.<\/p>\n

Diabetes Risk<\/strong><\/p>\n

Baz\u0131 \u00e7al\u0131\u015fmalar yeterli vitamin D d\u00fczeylerinin tip 2 diyabet geli\u015fimini yakla\u015f\u0131k %10 oran\u0131nda azaltabilece\u011fini g\u00f6stermi\u015ftir. Bu D vitamininin tek ba\u015f\u0131na \u00f6nemini ve ya\u015flanma kar\u015f\u0131t\u0131 etkilerini vurgulayan bir \u00f6zelli\u011fidir.<\/p>\n

Cancer Risk<\/strong><\/p>\n

Vitamin D supplementation may reduce the risk of dying from cancer, but there is no clear evidence on whether it has an effect on reducing the likelihood of developing cancer.<\/p>\n

Mental Health<\/strong><\/p>\n

Insufficient vitamin D levels have been shown to increase the risk of depression. Supplementation with this vitamin is thought to reduce symptoms of depression.<\/p>\n

Vitamin D3 Which Uses<\/strong><\/h6>\n

Vitamin D3 is used in the following cases:<\/strong><\/p>\n

    \n
  • Prevention and treatment of bone diseases such as rickets and osteomalacia.<\/li>\n
  • Use in combination with calcium for the prevention or treatment of osteoporosis.<\/li>\n
  • Treatment of disorders of calcium metabolism such as hypoparathyroidism.<\/li>\n
  • Immune system support.<\/li>\n
  • It is used in infants to compensate for low levels of vitamin D in breast milk.<\/li>\n
  • It is used as a supplement for the prevention of respiratory tract infections.<\/li>\n<\/ul>\n
    Things to Consider During Use<\/strong><\/h6>\n

    The following points should be considered when using vitamin D3:<\/strong><\/p>\n

      \n
    • The maximum daily dose for adults is usually 4000 IU. Long-term use at high doses may lead to hypercalcemia.<\/li>\n
    • It should be used with caution in renal disease, hypercalcemia or hyperparathyroidism.<\/li>\n
    • Use below 4000 IU daily during pregnancy and lactation is considered safe; higher doses should be taken under the supervision of a physician.<\/li>\n
    • When used with other supplements containing calcium, there may be a risk of kidney stones.<\/li>\n
    • It may interact with some medicines (such as corticosteroids); therefore, it should be used under the supervision of a doctor.<\/li>\n<\/ul>\n
      Scientific Statistics on the Use of Vitamin D3<\/strong><\/h6>\n

      The findings of scientific research on vitamin D3 are as follows:<\/strong><\/p>\n

      Clinical Research in the Current Literature:<\/strong><\/p>\n

      On Cancer Mortality:<\/strong> Meta analizlerde vitamin D3 takviyesi kanser kaynakl\u0131 \u00f6l\u00fcmleri yakla\u015f\u0131k %13 ila %16 oran\u0131nda azaltm\u0131\u015ft\u0131r.<\/p>\n

      On Acute Respiratory Tract Infections:\u00a0<\/strong>D\u00fczenli g\u00fcnl\u00fck veya haftal\u0131k vitamin D al\u0131m\u0131 akut solunum yolu enfeksiyonlar\u0131n\u0131 %12 oran\u0131nda azaltm\u0131\u015ft\u0131r.<\/span><\/p>\n

      On the Risk of Bone Fracture:\u00a0<\/strong>Tek ba\u015f\u0131na vitamin D kullan\u0131m\u0131 k\u0131r\u0131klar\u0131 \u00f6nlemede etkisiz bulunmu\u015ftur; ancak kalsiyumla birlikte kullan\u0131ld\u0131\u011f\u0131nda kal\u00e7a k\u0131r\u0131\u011f\u0131 riskini anlaml\u0131 derecede (%16 civar\u0131nda) azaltm\u0131\u015ft\u0131r.<\/span><\/p>\n

      On Cardiovascular Diseases:\u00a0<\/strong>In the large-scale VITAL study, a daily intake of 2000 IU vitamin D did not significantly alter the risk of cardiovascular disease.<\/span><\/p>\n

      On Diabetes Risk:\u00a0<\/strong>Vitamin D takviyesi tip 2 diyabete ilerleme riskini yakla\u015f\u0131k %10 oran\u0131nda azaltm\u0131\u015ft\u0131r ancak bu bulgu t\u00fcm \u00e7al\u0131\u015fmalarda tutarl\u0131 de\u011fildir.<\/span><\/p>\n

      Studies Investigating the Prevalence of Vitamin D Deficiency<\/strong><\/h6>\n

      D\u00fcnya genelinde yap\u0131lan ara\u015ft\u0131rmalara g\u00f6re D vitamini i\u00e7in belirlenmi\u015f bir referans de\u011fer olmasa da genel kabul g\u00f6ren akademik yay\u0131nlardaki uzman uzla\u015f\u0131 panellerinde alt s\u0131n\u0131r olarak belirlenen 75 nmol\/L de\u011feri dikkate al\u0131nd\u0131\u011f\u0131nda, d\u00fcnyada D seviyesi <30 nmol\/L olan bireylerin oran\u0131 k\u00fcresel olarak %15,7’dir; bu d\u00fcnyan\u0131n %15’inin alt limitin yar\u0131s\u0131n\u0131n alt\u0131ndaki bir D vitaminine bile sahip olmad\u0131\u011f\u0131n\u0131 g\u00f6stermektedir. Ek olarak D vitamini eksikli\u011fi oran\u0131 mevsimsel olarak de\u011fi\u015fmekte olup \u00f6zellikle k\u0131\u015f aylar\u0131nda artmaktad\u0131r.<\/p>\n

      Bibliography:<\/strong><\/p>\n

        \n
      1. Bouillon R, Marcocci C, Carmeliet G, Bikle D, White JH, Dawson-Hughes B, Lips P, Munns CF, Lazaretti-Castro M, Giustina A, Bilezikian J. Skeletal and Extraskeletal Actions of Vitamin D: Current Evidence and Outstanding Questions. Endocr Rev. 2019 Aug 1;40(4):1109-1151. doi: 10.1210\/er.2018-00126. PMID: 30321335; PMCID: PMC6626501.<\/li>\n
      2. Bouillon R, LeBoff MS, Neale RE. Health Effects of Vitamin D Supplementation: Lessons Learned From Randomized Controlled Trials and Mendelian Randomization Studies. J Bone Miner Res. 2023 Oct;38(10):1391-1403. doi: 10.1002\/jbmr.4888. Epub 2023 Aug 10. PMID: 37483080; PMCID: PMC10592274.<\/li>\n
      3. Verstuyf A, Carmeliet G, Bouillon R, Mathieu C. Vitamin D: a pleiotropic hormone. Kidney Int. 2010 Jul;78(2):140-5. doi: 10.1038\/ki.2010.17. Epub 2010 Feb 24. PMID: 20182414.<\/li>\n
      4. Khammissa RAG, Fourie J, Motswaledi MH, Ballyram R, Lemmer J, Feller L. The Biological Activities of Vitamin D and Its Receptor in Relation to Calcium and Bone Homeostasis, Cancer, Immune and Cardiovascular Systems, Skin Biology, and Oral Health. Biomed Res Int. 2018 May 22;2018:9276380. doi: 10.1155\/2018\/9276380. PMID: 29951549; PMCID: PMC5987305.<\/li>\n
      5. Wimalawansa SJ. Non-musculoskeletal benefits of vitamin D. J Steroid Biochem Mol Biol. 2018 Jan;175:60-81. doi: 10.1016\/j.jsbmb.2016.09.016. Epub 2016 Sep 20. PMID: 27662817.<\/li>\n
      6. Malihi Z, Wu Z, Stewart AW, Lawes CM, Scragg R. Hypercalcemia, hypercalciuria, and kidney stones in long-term studies of vitamin D supplementation: a systematic review and meta-analysis. Am J Clin Nutr. 2016 Oct;104(4):1039-1051. doi: 10.3945\/ajcn.116.134981. Epub 2016 Sep 7. PMID: 27604776.<\/li>\n
      7. Zittermann A, Trummer C, Theiler-Schwetz V, Pilz S. Long-term supplementation with 3200 to 4000 IU of vitamin D daily and adverse events: a systematic review and meta-analysis of randomized controlled trials. Eur J Nutr. 2023 Jun;62(4):1833-1844. doi: 10.1007\/s00394-023-03124-w. Epub 2023 Feb 28. PMID: 36853379; PMCID: PMC10195747.<\/li>\n
      8. Malihi Z, Wu Z, Lawes CMM, Scragg R. Adverse events from large dose vitamin D supplementation taken for one year or longer. J Steroid Biochem Mol Biol. 2019 Apr;188:29-37. doi: 10.1016\/j.jsbmb.2018.12.002. Epub 2018 Dec 6. PMID: 30529281.<\/li>\n
      9. Billington EO, Burt LA, Rose MS, Davison EM, Gaudet S, Kan M, Boyd SK, Hanley DA. Safety of High-Dose Vitamin D Supplementation: Secondary Analysis of a Randomized Controlled Trial. J Clin Endocrinol Metab. 2020 Apr 1;105(4):dgz212. doi: 10.1210\/clinem\/dgz212. Erratum in: J Clin Endocrinol Metab. 2021 Mar 25;106(4):e1932. doi: 10.1210\/clinem\/dgaa886. PMID: 31746327.<\/li>\n<\/ol>\n

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        Vitamin D is the best example of the benefits offered to the human body from nature.<\/p>","protected":false},"author":1,"featured_media":6058,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[144],"tags":[132],"class_list":["post-6057","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-d-vitamini"],"_links":{"self":[{"href":"https:\/\/qubtiva.com\/en\/wp-json\/wp\/v2\/posts\/6057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qubtiva.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qubtiva.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qubtiva.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qubtiva.com\/en\/wp-json\/wp\/v2\/comments?post=6057"}],"version-history":[{"count":7,"href":"https:\/\/qubtiva.com\/en\/wp-json\/wp\/v2\/posts\/6057\/revisions"}],"predecessor-version":[{"id":6394,"href":"https:\/\/qubtiva.com\/en\/wp-json\/wp\/v2\/posts\/6057\/revisions\/6394"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qubtiva.com\/en\/wp-json\/wp\/v2\/media\/6058"}],"wp:attachment":[{"href":"https:\/\/qubtiva.com\/en\/wp-json\/wp\/v2\/media?parent=6057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qubtiva.com\/en\/wp-json\/wp\/v2\/categories?post=6057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qubtiva.com\/en\/wp-json\/wp\/v2\/tags?post=6057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}