Kodi Vitamini D Ndi Wochuluka Motani? Chowonadi Chodabwitsa

Zamkati

• Vitamini D Toxicity - Zimachitika Bwanji?
• Zowonjezera 101: Vitamini D.
• Magawo A Magazi A Vitamini D: Okhazikika vs. Okwanira
• Kodi Vitamini D Ndi Wochuluka Motani?
• Zizindikiro ndi Chithandizo cha Vitamini D Toxicity
• Mlingo Waukulu Ungakhale Wowopsa, Ngakhale Popanda Zizindikiro Zakuwopsa
• Kodi Kudya kwa Mavitamini Ena Osungunuka Ndi Mafuta Kumasintha Kulekerera kwa Vitamini D?
• Tengani Uthenga Wanyumba

Vitamini D kawopsedwe ndi osowa kwambiri, koma amapezeka ndi Mlingo wambiri.

Nthawi zambiri zimakula pakapita nthawi, chifukwa mavitamini D owonjezera amatha kukhala mthupi.

Pafupifupi mavitamini D ambiri amachokera ku kumwa mavitamini D ochuluka.

Ndizosatheka kupeza vitamini D wochuluka kuchokera ku dzuwa kapena chakudya.

Iyi ndi nkhani yatsatanetsatane yokhudza mavitamini D kawopsedwe komanso kuchuluka kwake kumawonedwa kuti ndi kowonjezera.

Vitamini D Toxicity - Zimachitika Bwanji?

Vitamini D poyizoni amatanthauza kuti mavitamini D mthupi amakhala okwera kwambiri kotero kuti amawononga.

Amatchedwanso hypervitaminosis D.

Vitamini D ndi mavitamini osungunuka mafuta. Mosiyana ndi mavitamini osungunuka m'madzi, thupi lilibe njira yophweka yochotsera mavitamini osungunuka mafuta.

Pachifukwa ichi, kuchuluka kwambiri kumatha kukula mkati mwa thupi.

Makina enieni omwe amachititsa vitamini D kawopsedwe ndi ovuta ndipo samamveka bwino pakadali pano.

Komabe, tikudziwa kuti mavitamini D omwe amagwira ntchito mofananamo ndi hormone ya steroid.

Imayenda mkati mwa ma cell, kumawauza kuti atsegule kapena atseke majini.

Kawirikawiri, mavitamini D ambiri m'thupi amasungidwa, amakhala ndi vitamini D zolandilira kapena mapuloteni onyamula. Vitamini D wochepa kwambiri "wopanda" amapezeka (,).

Komabe, pamene kudya kwa vitamini D kumakhala kovuta kwambiri, milingo imatha kukwera kwambiri kotero kuti palibe malo otsalira pa ma receptors kapena mapuloteni onyamula.

Izi zitha kupangitsa kuti mavitamini D azikhala okwera "m'thupi", omwe amatha kuyenda m'maselo ndikuchulukitsa njira zomwe zimakhudzidwa ndi vitamini D.

Chimodzi mwazinthu zazikulu zodziwikiratu chimakhudzana ndikuwonjezera kuyamwa kwa calcium m'thupi ().

Zotsatira zake, chizindikiro chachikulu cha vitamini D kawopsedwe ndi hypercalcemia - calcium yokwera m'magazi (,).

Kuchuluka kwa calcium kumatha kuyambitsa zizindikilo zosiyanasiyana, ndipo calcium imatha kumangiranso kumatenda ena ndi kuwononga. Izi zikuphatikizapo impso.

Vitamini D kawopsedwe amatchedwanso hypervitaminosis D. Amatanthauza kuti mavitamini D mthupi amakhala okwera kwambiri kotero kuti amawononga, zomwe zimayambitsa matenda a hypercalcemia ndi zina.

Zowonjezera 101: Vitamini D.

Magawo A Magazi A Vitamini D: Okhazikika vs. Okwanira

Vitamini D ndi vitamini wofunikira, ndipo pafupifupi khungu lililonse mthupi lanu limalandira ().

Amapangidwa pakhungu akakhala padzuwa.

Zakudya zazikulu za vitamini D ndimafuta a chiwindi cha nsomba ndi nsomba zamafuta.

Kwa anthu omwe sapeza kuwala kokwanira kwa dzuwa, zowonjezera mavitamini D zitha kukhala zofunikira.

Vitamini D ndikofunikira kwambiri pa thanzi la mafupa, komanso yolumikizidwa ndi chitetezo chamthupi komanso chitetezo ku khansa (, 8).

Malangizo amtundu wa vitamini D wamagazi ndi awa (,,,,,):

• Zokwanira: 20-30 ng / ml, kapena 50-75 nmol / L.
• Malire apamwamba kumtunda: 60 ng / ml, kapena 150 nmol / L.
• Oopsa: Pamwamba pa 150 ng / mL, kapena 375 nmol / L.

Kudya kwa vitamini D tsiku lililonse kwa 1000-4000 IU (25-100 micrograms) kuyenera kukhala kokwanira kuti magazi azikhala abwino kwa anthu ambiri.

Magazi amtundu wa 20-30 ng / ml amawonedwa kuti ndi okwanira. Malire apamwamba otetezedwa amawerengedwa kuti ndi pafupifupi 60 ng / ml, koma anthu omwe ali ndi zizindikilo zakupha nthawi zambiri amakhala ndi milingo yoposa 150 ng / ml.

Kodi Vitamini D Ndi Wochuluka Motani?

Popeza ndizochepa zomwe zimadziwika pokhudzana ndi momwe vitamini D kawopsedwe amagwirira ntchito, ndizovuta kudziwa malo enieni omwe mavitamini D amadya ().

Malinga ndi Institute of Medicine, 4000 IU ndiye gawo labwino kwambiri la kudya kwa vitamini D tsiku lililonse. Komabe, kuchuluka kwa 10,000 IU sikunawonetsedwe kuti kumayambitsa poizoni mwa anthu athanzi (,).

Vitamini D kawopsedwe nthawi zambiri amayamba chifukwa cha kuchuluka kwa mavitamini D owonjezera, osati ndi zakudya kapena kuwonetseredwa ndi dzuwa (,).

Ngakhale kuti vitamini D kawopsedwe kamakhala kosowa kwambiri, kuwonjezeka kwaposachedwa kwa ntchito zowonjezerako kumatha kubweretsa kuwonjezeka kwamilandu.

Kudya tsiku lililonse kuyambira 40,000-1,000,000 IU (1000-2500 micrograms), kwa mwezi umodzi kapena zingapo, kwawonetsedwa kuti kumayambitsa poizoni mwa anthu (,,,,).

Izi ndi maulendo 10-25 kuposa malire omwe akulimbikitsidwa, mobwerezabwereza. Anthu omwe ali ndi poyizoni wa vitamini D nthawi zambiri amakhala ndi milingo yamagazi yoposa 150 ng / ml (375 nmol / L).

Milandu ingapo idayambitsidwanso ndi zolakwika pakupanga, pomwe ma supplements anali ndi vitamini D opitilira 100-4000 kuposa momwe amafotokozera phukusi (,,).

Magazi m'magazi a poizoni amachokera ku 257-620 ng / ml, kapena 644-1549 nmol / L.

Vitamini D kawopsedwe nthawi zambiri amasinthidwa, koma milandu yayikulu imatha kuyambitsa impso kulephera komanso kuwerengetsa mitsempha (,).

Malire apamwamba otetezedwa amakhala pa 4000 IU / tsiku. Kudyetsa pakati pa 40,000-1,000,000 IU / tsiku (maulendo 10-25 kuposa malire omwe akukwezedwa pamwambapa) adalumikizidwa ndi poizoni mwa anthu.

Zizindikiro ndi Chithandizo cha Vitamini D Toxicity

Chotsatira chachikulu cha vitamini D kawopsedwe ndi kashiamu wambiri m'magazi, wotchedwa hypercalcemia ().

Zizindikiro zoyambirira za hypercalcemia zimaphatikizapo nseru, kusanza, kutsegula m'mimba, kudzimbidwa komanso kufooka ().

Ludzu lokwanira, kuchuluka kwa chikumbumtima, kuthamanga kwa magazi, kuwerengetsa m'machubu ya impso, kulephera kwa impso kapena kumva kwakanthawi kumatha kukhalanso (,).

Hypercalcemia yomwe imayamba chifukwa chogwiritsa ntchito mavitamini D ochulukirapo imatha kutenga miyezi ingapo kuti ithe. Izi ndichifukwa choti vitamini D imadziunjikira m'mafuta amthupi, ndipo imatulutsidwa m'magazi pang'onopang'ono ().

Kuchiza kuledzera kwa vitamini D kumaphatikizapo kupewa kupezeka padzuwa ndikuchotsa mavitamini D.

Dokotala wanu amathanso kukonza calcium yanu ndi mchere wowonjezera komanso madzi, nthawi zambiri ndimchere wamchere.

Chotsatira chachikulu cha vitamini D kawopsedwe ndi hypercalcemia, ndi zizindikilo monga kunyansidwa, kusanza, kufooka ndi impso kulephera. Chithandizochi chimaphatikizapo kuchepetsa kuchepa kwa vitamini D komanso kuwonetsedwa dzuwa.

Mlingo Waukulu Ungakhale Wowopsa, Ngakhale Popanda Zizindikiro Zakuwopsa

Mlingo waukulu wa vitamini D ukhoza kukhala wovulaza, ngakhale sipangakhale zizindikiritso za poyizoni posachedwa.

Vitamini D sichitha kuyambitsa zizindikilo zowopsa nthawi yomweyo, ndipo zizindikilo zimatha kutenga miyezi kapena zaka kuti ziwonekere.

Ichi ndi chifukwa chimodzi chomwe vitamini D kawopsedwe ndi kovuta kuchizindikira.

Pakhala pali malipoti akuti anthu amatenga mavitamini D ochuluka kwambiri kwa miyezi yambiri osakhala ndi zisonyezo, komabe kuyezetsa magazi kumawululira hypercalcemia yoopsa komanso zizindikiritso za impso ().

Zotsatira zoyipa za vitamini D ndizovuta kwambiri. Kuchuluka kwa vitamini D kumatha kuyambitsa hypercalcemia popanda zizindikilo za kawopsedwe, komanso kungayambitsenso zizindikilo za kawopsedwe wopanda hypercalcemia ().

Kuti mukhale otetezeka, simuyenera kupitirira malire a 4,000 IU (100 mcg) osafunsa dokotala kapena wazakudya.

Vitamini D kawopsedwe nthawi zambiri amakula pakapita nthawi, ndipo zovuta zake zimakhala zovuta kwambiri. Mlingo waukulu ungayambitse kuwonongeka, ngakhale kulibe zizindikiritso zowonekera.

Kodi Kudya kwa Mavitamini Ena Osungunuka Ndi Mafuta Kumasintha Kulekerera kwa Vitamini D?

Amanenedwanso kuti mavitamini ena awiri osungunuka mafuta, vitamini K ndi vitamini A, atha kukhala ndi gawo lofunikira mu vitamini D kawopsedwe.

Vitamini K amathandizira kuwongolera komwe calcium imathera mthupi, ndipo kuchuluka kwa vitamini D kumatha kutsitsa malo ogulitsa vitamini K (,).

Kudya mavitamini A ochulukirapo kungathandize kuti izi zisachitike popewa malo ogulitsa vitamini K.

Chakudya china chomwe chingakhale chofunikira ndi magnesium. Ndi chimodzi mwazinthu zofunikira pakukweza thanzi lamafupa (,).

Kutenga vitamini A, vitamini K ndi magnesium yokhala ndi vitamini D kungathandize kuti mafupa azigwira bwino ntchito ndikuchepetsa mwayi waziphuphu zina kuwerengedwa (,,).

Kumbukirani kuti izi ndi malingaliro chabe, koma kungakhale kwanzeru kuwonetsetsa kuti mukupeza michere yokwanira ngati mukufuna kuwonjezera ndi vitamini D.

Ngati mukuwonjezera ndi vitamini D, ndiye kuti kungakhale kofunikira kuonetsetsa kuti mukudya vitamini A, vitamini K ndi magnesium wokwanira. Izi zitha kuchepetsa mavuto omwe amabwera chifukwa chokhala ndi vitamini D wambiri.

Tengani Uthenga Wanyumba

Anthu amayankha mosiyana kwambiri ndi kuchuluka kwa vitamini D. Chifukwa chake, ndizovuta kuyesa kuti ndi mitundu iti ya mankhwala yomwe ili yotetezeka ndi yomwe siyili.

Vitamini D kawopsedwe amatha kukhala ndi zotsatira zowononga thanzi, zomwe sizitha kuwonekera mpaka miyezi kapena ngakhale zaka mutayamba kumwa kwambiri.

Nthawi zambiri, sizikulimbikitsidwa kupitilira malire apamwamba azakudya zodalirika, ndiye 4000 IU (ma micrograms 100) patsiku.

Mlingo wokulirapo sunalumikizidwe ndi maubwino ena aliwonse azaumoyo, chifukwa chake atha kukhala osafunikira kwenikweni.

Nthawi zambiri vitamini D nthawi zambiri amagwiritsidwa ntchito pochiza vuto, koma nthawi zonse muzifunsira kwa dokotala kapena wazakudya musanamwe mankhwala ambiri.

Monga zinthu zina zambiri pazakudya, zambiri sizofanana nthawi zonse.

Mutha kupeza zambiri za vitamini D patsamba lino: Vitamini D 101 - Buku Loyambira Loyambira