Y\u00fcksek dozda D vitamini al\u0131m\u0131n\u0131n daha fazla fayda sa\u011flamad\u0131\u011f\u0131 aksine v\u00fccuda zarar\u0131 olabilece\u011fi ifade ediliyor. Dr. \u00d6\u011fr. \u00dcyesi Murat Do\u011fan, \u201c\u00c7o\u011fu insanda y\u00fcksek dozlar gereksizdir ve potansiyel olarak zararl\u0131d\u0131r. Yeterli olup olmad\u0131\u011f\u0131ndan endi\u015fe ediyorsan\u0131z, g\u00fcnde 1000 IU gibi k\u00fc\u00e7\u00fck veya orta miktarda D vitamini almak mant\u0131kl\u0131d\u0131r\u201d dedi.<\/p>\n
D vitaminin kemik sa\u011fl\u0131\u011f\u0131 haricinde ba\u015fka hastal\u0131klar\u0131n tedavisinde kullan\u0131m\u0131 ile ilgili ara\u015ft\u0131rmalar 2000 y\u0131l\u0131ndan itibaren h\u0131zla artmaya ba\u015flad\u0131. Bu noktada Amerikan Tabipler Birli\u011fi Dergisi\u2019nde (JAMA) yay\u0131nlanan bir ara\u015ft\u0131rmaya g\u00f6re, potansiyel olarak g\u00fcvenli olmayan miktarlarda D vitamini alan insan say\u0131s\u0131nda y\u00fczde 2,8\u2019lik bir art\u0131\u015f ya\u015fand\u0131\u011f\u0131 ortaya konuldu. Ayr\u0131ca g\u00fcnl\u00fck 1000 IU veya daha fazla D vitamini alan ki\u015filerin say\u0131s\u0131 da y\u00fczde 18 y\u00fckseli\u015f g\u00f6sterdi.<\/p>\n
Son y\u0131llarda kalp hastal\u0131\u011f\u0131ndan kansere kadar her t\u00fcrl\u00fc hastal\u0131\u011f\u0131 \u00f6nlemek umuduyla D vitamini takviyeleri al\u0131nmaya ba\u015flayanlar i\u00e7in uzmanlardan uyar\u0131 geldi. D vitamini ve kalsiyumun kemik sa\u011fl\u0131\u011f\u0131 i\u00e7in gerekli oldu\u011fu konusunda hem fikir olan uzmanlar, \u00e7ok y\u00fcksek dozda al\u0131nmas\u0131n\u0131n ise daha fazla fayda sa\u011flamad\u0131\u011f\u0131n\u0131 dile getirdiler.<\/p>\n
Konuya ili\u015fkin de\u011ferlendirmede bulunan Ni\u015fanta\u015f\u0131 \u00dcniversitesi\u2019nden Dr. \u00d6\u011fr. \u00dcyesi Murat Do\u011fan, \u201cD vitamininin g\u00fc\u00e7l\u00fc kemikler olu\u015fturmaya yard\u0131mc\u0131 oldu\u011fu tart\u0131\u015f\u0131lmaz bir ger\u00e7ek ama ne kadar al\u0131nmas\u0131 gerekti\u011fi konusu hep tart\u0131\u015fmaya a\u00e7\u0131k oldu. Ancak son y\u0131llarda yap\u0131lan ara\u015ft\u0131rmalar g\u00f6steriyor ki bilinenin tam tersi olarak asl\u0131nda y\u00fcksek doz D vitaminin zararl\u0131 bir etkisi olabilece\u011fi belirtiliyor\u201d dedi.<\/p>\n
T\u00fcrkiye\u2019de de art\u0131\u015f var<\/p>\n
T\u00fcrkiye\u2019de de son zamanlarda y\u00fcksek ve gereksiz D vitamini kullan\u0131m\u0131n\u0131n artt\u0131\u011f\u0131n\u0131 kaydeden Dr. \u00d6\u011fr. \u00dcyesi Murat Do\u011fan \u015fu uyar\u0131larda bulundu:<\/p>\n
\u201c\u00c7ok y\u00fcksek dozlarda yani g\u00fcnde 25 bin IU D vitamini takviyesi al\u0131nd\u0131\u011f\u0131nda, kalsiyum bozukluklar\u0131, b\u00f6brek fonksiyon bozukluklar\u0131 ve yumu\u015fak doku kalsifikasyonu g\u00f6r\u00fclebilir. Baz\u0131 kaynaklarda 4 bin IU dozun tolere edilebilir \u00fcst limit oldu\u011fu ifade ediliyor. Ba\u011f\u0131rsaklarda g\u00f6r\u00fclen Crohn hastal\u0131\u011f\u0131, \u00fclseratif kolit gibi besinleri d\u00fczg\u00fcn bir \u015fekilde emmesini \u00f6nleyen rahats\u0131zl\u0131klar\u0131 olan ki\u015filer ile gastrik bypass ameliyat\u0131 ge\u00e7irenler y\u00fcksek dozda D vitamini al\u0131m\u0131na ihtiya\u00e7 duyabilirler. Ancak \u00e7o\u011fu insanda y\u00fcksek dozlar gereksizdir ve potansiyel olarak zararl\u0131d\u0131r. Yeterli olup olmad\u0131\u011f\u0131ndan endi\u015fe ediyorsan\u0131z, g\u00fcnde 1000 IU gibi k\u00fc\u00e7\u00fck veya orta miktarda D vitamini almak mant\u0131kl\u0131d\u0131r.\u201d<\/p>\n
D vitamini takviyesini kimler almal\u0131d\u0131r?<\/p>\n
D vitamini takviyelerine kimlerin ihtiyac\u0131 oldu\u011fu konusuna da a\u00e7\u0131kl\u0131k getiren Dr. \u00d6\u011fr. \u00dcyesi Do\u011fan, \u201cK\u0131\u015f aylar\u0131nda D vitamini al\u0131m dozu yaz aylar\u0131na oranla daha y\u00fcksek al\u0131nmal\u0131d\u0131r. Yap\u0131lan bir \u00e7al\u0131\u015fmaya g\u00f6re okul \u00e7ocuklar\u0131nda al\u0131nmas\u0131 gereken dozun en fazla 2 bin IU\u2019ya kadar oldu\u011fu belirtilmi\u015ftir. D\u0131\u015far\u0131da az zaman ge\u00e7iren, g\u00fcne\u015f \u0131\u015f\u0131nlar\u0131ndan \u00e7ok az faydalanan insanlar da yeterli dozda takviye almal\u0131d\u0131rlar. D vitamini \u2018g\u00fcne\u015f vitamini\u2019 olarak adland\u0131r\u0131l\u0131r. V\u00fccut, g\u00fcne\u015fe maruz kald\u0131ktan sonra D vitaminini \u00fcretir ve ya\u015fland\u0131k\u00e7a bu \u00fcretim azal\u0131r. 65 ya\u015f\u0131n \u00fczerindeki ki\u015filer 20\u2019li ya\u015flar\u0131nda olanlara g\u00f6re d\u00f6rtte bir daha az D vitamini \u00fcretir. Bu durumda da yine bir uzman kontrol\u00fcnde D vitamini takviyesi al\u0131nmal\u0131d\u0131r\u201d \u015feklinde a\u00e7\u0131klamada bulundu.<\/p>\n","protected":false},"excerpt":{"rendered":"
Y\u00dcKSEK DOZDA D V\u0130TAM\u0130N\u0130 ALIMININ DAHA FAZLA FAYDA SA\u011eLAMADI\u011eI AKS\u0130NE V\u00dcCUDA ZARARI OLAB\u0130LECE\u011e\u0130 \u0130FADE ED\u0130L\u0130YOR. DR. \u00d6\u011eR. \u00dcYES\u0130 MURAT DO\u011eAN, \u201c\u00c7O\u011eU \u0130NSANDA Y\u00dcKSEK DOZLAR GEREKS\u0130ZD\u0130R VE POTANS\u0130YEL OLARAK ZARARLIDIR. YETERL\u0130 OLUP OLMADI\u011eINDAN END\u0130\u015eE ED\u0130YORSANIZ, G\u00dcNDE 1000 IU G\u0130B\u0130 K\u00dc\u00c7\u00dcK VEYA ORTA M\u0130KTARDA D V\u0130TAM\u0130N\u0130 ALMAK MANTIKLIDIR\u201d DED\u0130.<\/p>\n","protected":false},"author":1,"featured_media":252547,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[42605,27542,2110,62505,4084,17751,30189,900],"class_list":["post-252546","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel","tag-azi","tag-cogu","tag-karar","tag-takviyesinin","tag-uyari","tag-uzmanlardan","tag-vitamini","tag-zarar"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.tvturk.com\/wp-content\/uploads\/2020\/01\/uzmanlardan-uyari-d-vitamini-takviyesinin-azi-karar-cogu-zarar_cc5d906.jpg?fit=1000%2C687","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paKIfm-13Hk","_links":{"self":[{"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/posts\/252546","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/comments?post=252546"}],"version-history":[{"count":0,"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/posts\/252546\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/media\/252547"}],"wp:attachment":[{"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/media?parent=252546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/categories?post=252546"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.tvturk.com\/index.php\/wp-json\/wp\/v2\/tags?post=252546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}