SANATATE

Efectele adverse ale vitaminei C

<p>Cunoscuta in toata lumea pentru beneficiile sale in tratarea racelilor&comma; vitamina C prezinta insa si efecte adverse&comma; de care trebuie sa tinem cont atunci cand o folosim&period;<&sol;p>&NewLine;<&excl;-- WP QUADS Content Ad Plugin v&period; 2&period;0&period;92 -->&NewLine;<div class&equals;"quads-location quads-ad68336 " id&equals;"quads-ad68336" style&equals;"float&colon;none&semi;text-align&colon;center&semi;padding&colon;0px 0 0px 0&semi;" data-lazydelay&equals;"3000">&NewLine;<div class&equals;"quads-ad-label quads-ad-label-new">Advertisement<&sol;div><&excl;-- responsive 1 -->&NewLine;<script async src&equals;"https&colon;&sol;&sol;securepubads&period;g&period;doubleclick&period;net&sol;tag&sol;js&sol;gpt&period;js"><&sol;script>&NewLine;<div id&equals;"andreilaslau&period;ro&lowbar;responsive&lowbar;1">&NewLine; <script>&NewLine; window&period;googletag &equals; window&period;googletag &vert;&vert; &lbrace; cmd&colon; &lbrack;&rsqb; &rcub;&semi;&NewLine; googletag&period;cmd&period;push&lpar;function&lpar;&rpar; &lbrace;&NewLine; var slot &equals; googletag&period;defineSlot&lpar;'&sol;23293390090&sol;andreilaslau&period;ro&sol;andreilaslau&period;ro&lowbar;responsive&lowbar;1'&comma; &lbrack;&lbrack;300&comma; 250&rsqb;&comma; &lbrack;320&comma; 50&rsqb;&comma; &lbrack;728&comma; 90&rsqb;&comma; &lbrack;468&comma; 60&rsqb;&comma; &lbrack;336&comma; 280&rsqb;&comma; 'fluid'&rsqb;&comma; 'andreilaslau&period;ro&lowbar;responsive&lowbar;1'&rpar;&semi;&NewLine;&NewLine; var mapping1 &equals; googletag&period;sizeMapping&lpar;&rpar;&NewLine; &period;addSize&lpar;&lbrack;980&comma; 0&rsqb;&comma; &lbrack;&lbrack;728&comma; 90&rsqb;&comma; &lbrack;468&comma; 60&rsqb;&comma; &lbrack;336&comma; 280&rsqb;&comma; &lbrack;300&comma; 250&rsqb;&comma; 'fluid'&rsqb;&rpar;&NewLine; &period;addSize&lpar;&lbrack;750&comma; 0&rsqb;&comma; &lbrack;&lbrack;728&comma; 90&rsqb;&comma; &lbrack;468&comma; 60&rsqb;&comma; &lbrack;336&comma; 280&rsqb;&comma; &lbrack;300&comma; 250&rsqb;&comma; 'fluid'&rsqb;&rpar;&NewLine; &period;addSize&lpar;&lbrack;320&comma; 0&rsqb;&comma; &lbrack;&lbrack;336&comma; 280&rsqb;&comma; &lbrack;320&comma; 50&rsqb;&comma; &lbrack;300&comma; 250&rsqb;&comma; 'fluid'&rsqb;&rpar;&NewLine; &period;build&lpar;&rpar;&semi;&NewLine;&NewLine; slot&period;defineSizeMapping&lpar;mapping1&rpar;&semi;&NewLine; slot&period;addService&lpar;googletag&period;pubads&lpar;&rpar;&rpar;&semi;&NewLine; googletag&period;enableServices&lpar;&rpar;&semi;&NewLine; googletag&period;display&lpar;'andreilaslau&period;ro&lowbar;responsive&lowbar;1'&rpar;&semi;&NewLine; &rcub;&rpar;&semi;&NewLine; <&sol;script>&NewLine;<&sol;div>&NewLine;&NewLine;<&sol;div>&NewLine;&NewLine;<p>Una dintre cele mai importante functii ale vitaminei C este aceea de a ajuta la cresterea productiei de colagen&comma; o proteina ce este raspunzatoare pentru sanatatea tesuturilor&comma; tendoanelor&comma; ligamentelor&period;<&sol;p>&NewLine;<&excl;-- WP QUADS Content Ad Plugin v&period; 2&period;0&period;92 -->&NewLine;<div class&equals;"quads-location quads-ad68337 " id&equals;"quads-ad68337" style&equals;"float&colon;none&semi;text-align&colon;center&semi;padding&colon;0px 0 0px 0&semi;" data-lazydelay&equals;"3000">&NewLine;<div class&equals;"quads-ad-label quads-ad-label-new">Advertisement<&sol;div><&excl;-- responsive 2 -->&NewLine;<script async src&equals;"https&colon;&sol;&sol;securepubads&period;g&period;doubleclick&period;net&sol;tag&sol;js&sol;gpt&period;js"><&sol;script>&NewLine;<div id&equals;"andreilaslau&period;ro&lowbar;responsive&lowbar;2">&NewLine; <script>&NewLine; window&period;googletag &equals; window&period;googletag &vert;&vert; &lbrace; cmd&colon; &lbrack;&rsqb; &rcub;&semi;&NewLine; googletag&period;cmd&period;push&lpar;function&lpar;&rpar; &lbrace;&NewLine; var slot &equals; googletag&period;defineSlot&lpar;'&sol;23293390090&sol;andreilaslau&period;ro&sol;andreilaslau&period;ro&lowbar;responsive&lowbar;2'&comma; &lbrack;&lbrack;300&comma; 250&rsqb;&comma; &lbrack;320&comma; 50&rsqb;&comma; &lbrack;468&comma; 60&rsqb;&comma; &lbrack;336&comma; 280&rsqb;&comma; 'fluid'&rsqb;&comma; 'andreilaslau&period;ro&lowbar;responsive&lowbar;2'&rpar;&semi;&NewLine;&NewLine; var mapping2 &equals; googletag&period;sizeMapping&lpar;&rpar;&NewLine; &period;addSize&lpar;&lbrack;980&comma; 0&rsqb;&comma; &lbrack;&lbrack;468&comma; 60&rsqb;&comma; &lbrack;336&comma; 280&rsqb;&comma; &lbrack;300&comma; 250&rsqb;&comma; 'fluid'&rsqb;&rpar;&NewLine; &period;addSize&lpar;&lbrack;750&comma; 0&rsqb;&comma; &lbrack;&lbrack;468&comma; 60&rsqb;&comma; &lbrack;336&comma; 280&rsqb;&comma; &lbrack;300&comma; 250&rsqb;&comma; 'fluid'&rsqb;&rpar;&NewLine; &period;addSize&lpar;&lbrack;320&comma; 0&rsqb;&comma; &lbrack;&lbrack;336&comma; 280&rsqb;&comma; &lbrack;320&comma; 50&rsqb;&comma; &lbrack;300&comma; 250&rsqb;&comma; 'fluid'&rsqb;&rpar;&NewLine; &period;build&lpar;&rpar;&semi;&NewLine;&NewLine; slot&period;defineSizeMapping&lpar;mapping2&rpar;&semi;&NewLine; slot&period;addService&lpar;googletag&period;pubads&lpar;&rpar;&rpar;&semi;&NewLine; googletag&period;enableServices&lpar;&rpar;&semi;&NewLine; googletag&period;display&lpar;'andreilaslau&period;ro&lowbar;responsive&lowbar;2'&rpar;&semi;&NewLine; &rcub;&rpar;&semi;&NewLine; <&sol;script>&NewLine;<&sol;div>&NewLine;&NewLine;<&sol;div>&NewLine;&NewLine;<p>Mai exista si alte proprietati ale vitaminei C descoperite in urma studiilor&comma; si anume&colon; intarirea sistemului imunitar&comma; prevenirea cataractei si a altor boli specifice inaintarii in varsta&period;<&sol;p>&NewLine;<p>Cea mai la indemana sursa de vitamina C o gasim in fructe si legume&comma; desi exista voci care sustin ca suplimentele ar oferi mai multe beneficii&period;<&sol;p>&NewLine;<&excl;-- WP QUADS Content Ad Plugin v&period; 2&period;0&period;92 -->&NewLine;<div class&equals;"quads-location quads-ad68338 " id&equals;"quads-ad68338" style&equals;"float&colon;none&semi;text-align&colon;center&semi;padding&colon;0px 0 0px 0&semi;" data-lazydelay&equals;"3000">&NewLine;<div class&equals;"quads-ad-label quads-ad-label-new">Advertisement<&sol;div><&excl;-- responsive 3 -->&NewLine;<script async src&equals;"https&colon;&sol;&sol;securepubads&period;g&period;doubleclick&period;net&sol;tag&sol;js&sol;gpt&period;js"><&sol;script>&NewLine;<div id&equals;"andreilaslau&period;ro&lowbar;responsive&lowbar;3">&NewLine; <script>&NewLine; window&period;googletag &equals; window&period;googletag &vert;&vert; &lbrace; cmd&colon; &lbrack;&rsqb; &rcub;&semi;&NewLine; googletag&period;cmd&period;push&lpar;function&lpar;&rpar; &lbrace;&NewLine; var slot &equals; googletag&period;defineSlot&lpar;'&sol;23293390090&sol;andreilaslau&period;ro&sol;andreilaslau&period;ro&lowbar;responsive&lowbar;3'&comma; &lbrack;&lbrack;300&comma; 250&rsqb;&comma; &lbrack;320&comma; 50&rsqb;&comma; &lbrack;468&comma; 60&rsqb;&comma; &lbrack;336&comma; 280&rsqb;&comma; 'fluid'&rsqb;&comma; 'andreilaslau&period;ro&lowbar;responsive&lowbar;3'&rpar;&semi;&NewLine;&NewLine; var mapping3 &equals; googletag&period;sizeMapping&lpar;&rpar;&NewLine; &period;addSize&lpar;&lbrack;980&comma; 0&rsqb;&comma; &lbrack;&lbrack;468&comma; 60&rsqb;&comma; &lbrack;336&comma; 280&rsqb;&comma; &lbrack;300&comma; 250&rsqb;&comma; 'fluid'&rsqb;&rpar;&NewLine; &period;addSize&lpar;&lbrack;750&comma; 0&rsqb;&comma; &lbrack;&lbrack;468&comma; 60&rsqb;&comma; &lbrack;336&comma; 280&rsqb;&comma; &lbrack;300&comma; 250&rsqb;&comma; 'fluid'&rsqb;&rpar;&NewLine; &period;addSize&lpar;&lbrack;320&comma; 0&rsqb;&comma; &lbrack;&lbrack;336&comma; 280&rsqb;&comma; &lbrack;320&comma; 50&rsqb;&comma; &lbrack;300&comma; 250&rsqb;&comma; 'fluid'&rsqb;&rpar;&NewLine; &period;build&lpar;&rpar;&semi;&NewLine;&NewLine; slot&period;defineSizeMapping&lpar;mapping3&rpar;&semi;&NewLine; slot&period;addService&lpar;googletag&period;pubads&lpar;&rpar;&rpar;&semi;&NewLine; googletag&period;enableServices&lpar;&rpar;&semi;&NewLine; googletag&period;display&lpar;'andreilaslau&period;ro&lowbar;responsive&lowbar;3'&rpar;&semi;&NewLine; &rcub;&rpar;&semi;&NewLine; <&sol;script>&NewLine;<&sol;div>&NewLine;&NewLine;<&sol;div>&NewLine;&NewLine;<p>Unul dintre motivele cele mai frecvente pentru care oamenii iau suplimente de vitamina C este ca acestea ajuta la prevenirea racelilor in anotimpul rece&period; Cu toate acestea&comma; multe suplimente contin cantitati extrem de mari de vitamina&comma; ceea ce poate provoca reactii adverse nedorite&comma; in unele cazuri&period;<&sol;p><div class&equals;"amp-ad-wrapper amp&lowbar;ad&lowbar;1 ampforwp-incontent-custom-banner ampforwp-incontent-ad3"><amp-ad width&equals;"336" height&equals;"280" type&equals;"sulvo" data-ad&equals;"andreilaslau&period;ro&lowbar;amp&lowbar;display&lowbar;336x280" class&equals;"demand-supply"><&sol;amp-ad><&sol;div>&NewLine;<p>Recomandarea noastra si a medicinei de specialitate este sa evitati consumul excesiv de vitamina C&comma; pentru a evita totodata si efectele adverse&period; Vitamina C este o vitamina solubila in apa&comma; ceea ce inseamna ca nu se retine in organism&comma; ea este transportata prin tesuturi corpului si orice exces se elimina prin urina&period;<&sol;p>&NewLine;<p>Deoarece organismul nu stocheaza sau produce vitamina C&comma; este important sa consumati alimente bogate in vitamina C zilnic&period;<&sol;p>&NewLine;<p>Cu toate acestea&comma; suplimentarea cu cantitati mari de vitamina C poate duce la efecte adverse&comma; cum ar fi probleme digestive si pietre la rinichi&period;<&sol;p>&NewLine;<p>Acest lucru se intampla deoarece&comma; daca va supraincarcati corpul cu doze mai mari decat cele normale&comma; aceasta va incepe sa se acumuleze&comma; conducand la simptome de supradozaj&period;<&sol;p>&NewLine;<p>Este important sa retineti ca&comma; pentru majoritatea oamenilor este inutila folosirea de suplimente cu vitamina C&comma; deoarece puteti obtine cu usurinta dozajul potrivit din alimente proaspete&comma; in special din fructe si legume&period;<&sol;p>&NewLine;<p>Prea multa vitamina C poate cauza probleme digestive<&sol;p>&NewLine;<p>Cel mai frecvent efect secundar al consumului ridicat de vitamina C este dezechilibrul sistemului digestiv&period; In general&comma; aceste reactii adverse nu apar din consumul de alimente care contin vitamina C&comma; ci mai degraba din suplimente&period;<&sol;p><div class&equals;"b03d97280e765d707d336f444dd9d428" data-index&equals;"5" style&equals;"float&colon; none&semi; margin&colon;0px 0 0px 0&semi; text-align&colon;center&semi;">&NewLine;<div data-type&equals;"&lowbar;mgwidget" data-widget-id&equals;"1671590"> &NewLine;<&sol;div> &NewLine;<script>&lpar;function&lpar;w&comma;q&rpar;&lbrace;w&lbrack;q&rsqb;&equals;w&lbrack;q&rsqb;&vert;&vert;&lbrack;&rsqb;&semi;w&lbrack;q&rsqb;&period;push&lpar;&lbrack;"&lowbar;mgc&period;load"&rsqb;&rpar;&rcub;&rpar;&lpar;window&comma;"&lowbar;mgq"&rpar;&semi; &NewLine;<&sol;script> &NewLine; &NewLine; &NewLine; <script id&equals;"&lowbar;vidverto-362eafc0ba2cb293c4d0e2c47c8d893c">&excl;function&lpar;v&comma;t&comma;o&rpar;&lbrace;var a&equals;t&period;createElement&lpar;"script"&rpar;&semi;a&period;src&equals;"https&colon;&sol;&sol;ad&period;vidverto&period;io&sol;vidverto&sol;js&sol;aries&sol;v1&sol;invocation&period;js"&comma;a&period;setAttribute&lpar;"fetchpriority"&comma;"high"&rpar;&semi;var r&equals;v&period;top&semi;r&period;document&period;head&period;appendChild&lpar;a&rpar;&comma;v&period;self&excl;&equals;&equals;v&period;top&&&lpar;v&period;frameElement&period;style&period;cssText&equals;"width&colon;0px&excl;important&semi;height&colon;0px&excl;important&semi;"&rpar;&comma;r&period;aries&equals;r&period;aries&vert;&vert;&lbrace;&rcub;&comma;r&period;aries&period;v1&equals;r&period;aries&period;v1&vert;&vert;&lbrace;commands&colon;&lbrack;&rsqb;&rcub;&semi;var c&equals;r&period;aries&period;v1&semi;c&period;commands&period;push&lpar;&lpar;function&lpar;&rpar;&lbrace;var d&equals;document&period;getElementById&lpar;"&lowbar;vidverto-362eafc0ba2cb293c4d0e2c47c8d893c"&rpar;&semi;d&period;setAttribute&lpar;"id"&comma;&lpar;d&period;getAttribute&lpar;"id"&rpar;&plus;&lpar;new Date&lpar;&rpar;&rpar;&period;getTime&lpar;&rpar;&rpar;&rpar;&semi;var t&equals;v&period;frameElement&vert;&vert;d&semi;c&period;mount&lpar;"10405"&comma;t&comma;&lbrace;width&colon;720&comma;height&colon;405&rcub;&rpar;&rcub;&rpar;&rpar;&rcub;&lpar;window&comma;document&rpar;&semi;<&sol;script>&NewLine;<&sol;div>&NewLine;&NewLine;<p>Probabil ca veti prezenta simptome la nivel digestiv daca consumati mai mult de 2&period;000 mg deodata&period; Astfel&comma; a fost stabilita o limita superioara tolerabila &lpar;TUL&rpar; de 2&period;000 mg pe zi&period;<&sol;p><div class&equals;"amp-ad-wrapper amp&lowbar;ad&lowbar;1 ampforwp-incontent-custom-banner ampforwp-incontent-ad1"><amp-ad width&equals;"336" height&equals;"280" type&equals;"sulvo" data-ad&equals;"andreilaslau&period;ro&lowbar;amp&lowbar;display&lowbar;336x280" class&equals;"demand-supply"><&sol;amp-ad><&sol;div>&NewLine;<p>Cele mai frecvente simptome digestive ale consumului excesiv de vitamina C sunt diareea si greata&period; Daca intampinati probleme digestive&comma; ca urmare a consumului prea mare de vitamina C&comma; pur si simplu reduceti doza suplimentara sau evitati suplimentele&period;<&sol;p>&NewLine;<p>Vitamina C poate provoca supra-incarcarea cu fier<&sol;p>&NewLine;<p>Vitamina C este cunoscuta pentru absorbtia de fier&comma; care se gaseste in alimentele vegetale&comma; dar si in alimentele de origine animala&period; Un studiu efectuat la adulti a constatat ca absorbtia de fier a crescut cu 67&percnt; atunci cand au luat 100 mg de vitamina C la o masa&period;<&sol;p>&NewLine;<p>Cu toate acestea&comma; persoanele cu afectiuni care cresc riscul acumularii de fier in organism&comma; cum ar fi hemocromatoza&comma; ar trebui sa fie precauti cu suplimentele de vitamina C&period;<&sol;p>&NewLine;<p>In aceste conditii&comma; supradozarea poate duce la supra-incarcarea cu fier&comma; ceea ce poate provoca leziuni grave inimii&comma; ficatului&comma; pancreasului&comma; tiroidei si sistemului nervos central&period;<&sol;p>&NewLine;<p>Acestea fiind spuse&comma; supra-incarcarea cu fier este foarte putin probabila daca nu aveti o afectiune care creste absorbtia de fier&period; In plus&comma; supra-incarcarea cu fier este mai probabila atunci cand se folosesc suplimente de fier&period;<&sol;p>&NewLine;<p>Administrarea de suplimente in doze mari poate duce la formarea pietrelor la rinichi&period; Excesul de vitamina C este excretat din organism ca oxalat urinar&comma; un produs rezidual al organismului&period;<&sol;p>&NewLine;<p>Cu toate acestea&comma; in anumite circumstante&comma; oxalatul impreuna cu mineralele formeaza cristale care pot duce la aparitia pietrelor la rinichi&period;<&sol;p>&NewLine;<p>Consumul indelungat de vitamina C are capacitatea de a creste cantitatea de oxalat din urina&comma; marind astfel riscul de a dezvolta pietre la rinichi&period;<br &sol;>&NewLine;Intr-un studiu in care adultii au luat suplimente de vitamina C de 1&period;000 mg de doua ori pe zi&comma; timp de sase zile&comma; cantitatea de oxalat secretat a crescut cu 20&percnt;&period;<&sol;p>&NewLine;<p>Insuficienta renala a fost raportata la persoanele care au luat mai mult de 2000 mg pe zi&period; Cu toate acestea&comma; acest lucru este extrem de rar&comma; in special la persoanele sanatoase&period;<&sol;p>&NewLine;<p>Citeste continuarea pe <a href&equals;"http&colon;&sol;&sol;www&period;sfatulmedicului&period;ro&sol;Vitamine-si-minerale&sol;vitamina-c-poate-avea-efecte-adversei&lowbar;16614">www&period;sfatulmedicului&period;ro<&sol;a><&sol;p>&NewLine;<div class&equals;"b03d97280e765d707d336f444dd9d428" data-index&equals;"3" style&equals;"float&colon; none&semi; margin&colon;0px 0 0px 0&semi; text-align&colon;center&semi;">&NewLine;<div data-type&equals;"&lowbar;mgwidget" data-widget-id&equals;"1603935"> &NewLine;<&sol;div> &NewLine;<script>&lpar;function&lpar;w&comma;q&rpar;&lbrace;w&lbrack;q&rsqb;&equals;w&lbrack;q&rsqb;&vert;&vert;&lbrack;&rsqb;&semi;w&lbrack;q&rsqb;&period;push&lpar;&lbrack;"&lowbar;mgc&period;load"&rsqb;&rpar;&rcub;&rpar;&lpar;window&comma;"&lowbar;mgq"&rpar;&semi; &NewLine;<&sol;script> &NewLine;&NewLine;<&sol;div>&NewLine;&NewLine;<div style&equals;"font-size&colon; 0px&semi; height&colon; 0px&semi; line-height&colon; 0px&semi; margin&colon; 0&semi; padding&colon; 0&semi; clear&colon; both&semi;"><&sol;div><&sol;p>&NewLine;

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