Ukuntuleka kwe-Vitamin B12 kungenye yeziphambeko ezivame kakhulu zokudla okunomsoco. Kubangela izimpawu eziningi, ezifana nokukhathala, ukukhohlwa nokukhwehlela kwezandla nezinyawo. Isizathu sezimpawu ezihlukahlukene kakhulu ukuthi i-vitamin B12 idlala indima enkulu emisebenzini eminingi yomzimba.
Iyini i-Vitamin B12?
I-Vitamin B12 inomsebenzi obalulekile ekukhiqizeni i-DNA, okuyinto ikhodi yomzimba yomzimba.
I-DNA iqondisa ukubunjwa okuhle kwazo zonke izingxenye zomzimba.
I-Vitamin B12 nayo iyanciphisa i-homocysteine, enye yamakhemikhali okwenzeka ngokomzimba. Uma i-homocysteine ingasetshenziswanga ngendlela efanele, khona-ke ibangela ukuvuvukala nomonakalo onobuthi emzimbeni.
Izimpawu nemiphumela ye-Vitamin B12
I-anemia inciphisa ukusebenza kwamaseli abomvu egazi (ama-RBC). Ukubonakaliswa okukhulu kwemitholampilo ye-B12 ukuntuleka yi-anemia ye-megaloblastic, okuyinto uhlobo lwe-anemia evame ukhiqiza ukukhathala kanye ne-tachycardia (isilinganiso senhliziyo esisheshayo), kanti ngezinye izikhathi isizungu. I-Vitamin B12 iyisimiso esidinga ukukhiqizwa kwegazi elibomvu elivamile. Ama-RBC ahlinzeka oksijini okhiqiza amandla emzimbeni wonke ukuze anikeze zonke izidingo zomzimba.
I-anemia ye-Megaloblastic ingatholakala ngesifo segazi.
I-peripheral neuropathy uhlobo lwe-nerve impairment. Lokhu kusho ukuthi izinzwa ngokwazo zingonakaliswa noma ukuthi kukhona ukulahlekelwa kwe-myelin.
I-Myelin iyisembozo esivikelayo sezinzwa zomzimba. I-Vitamin B12 iyinhlangano ebumbene ekwakheni i-myelin, ngakho-ke ukungabikho kwe-vitamin B12 kuvimbela i-myelin ukuba ingenzi njengoba kudingeka.
Ngokwehluleka kwe-B12, umonakalo oqondile wezinzwa ohlangene nokunciphisa i-myelin kuphazamisa ukusebenza komzimba. Izinzwa zomzimba zilawula ukunyakaza nokuzwa komzimba.
Izimpawu ze-peripheral neuropathy ngokuvamile zithinta izinyawo nezandla, futhi zingase zandise ukufaka izingalo nemilenze. Izimpawu ezivame kakhulu zihlanganisa:
- Ukulinganisa
- Ubumbulu
- Ukungabi namandla
I-dementia yisifo esibonakala ukulahlekelwa inkumbulo nokushintsha kokuziphatha. Kunezimbangela eziningi zokudemeka komzimba, kanti ukutholakala kwe-vitamin B12 kungenye yezimbangela eziveziwe kamuva. Ucwaningo lwesayensi luveza ukuthi ukuwohloka komqondo okuhambisana nokuntuleka kwe-vitamin B12 kungabangela ukuphakama kwama-homocysteine.
Izimpawu zengqondo ye-dementia zihlanganisa:
- Ukukhohlwa
- Ukungabi namandla
- Inkinga yokuxazulula izinkinga
- Ukungakwazi ukugxila
- Ukulahlekelwa ikhono lokuzinakekela wena
- Ukunganakwa
- Ama-hallucinations
Ukucindezeleka kungukubonakaliswa kokutholakala kwamavithamini B12, futhi kungase kuhambisane ne-anemia noma ukuwohloka komqondo.
Ukushaywa yisisu yisimo sezokwelapha esibonakala ukuphazamiseka kwegazi ukugeleza ebuchosheni, okwenza kube nokukhubazeka ngokomzimba noma kwengqondo. Ukuntuleka kwe-Vitamin B12 kungandisa ingozi yokushaywa isifo phakathi kwentsha engekho engozini yokushaya isifo. Kungakhathaliseki ukuthi kunesixhumanisi noma cha, futhi ingozi ingabangelwa amazinga angaphezu kwe-homocysteine.
I-myelopathy kusho izifo zomgogodla. Ukuntuleka kwe-Vitamin B12 kubangela uhlobo lwesifo somgogodla okuthiwa i-subacute ukuhlaselwa okuhlangene komgogodla, okulahlekelwa i-myelin evikelekile ezindaweni ezithile zomgogodla olawula umzuzu, ukulinganisela nokuzwa.
Izimpawu zokuguqulwa okuhlangene okuhlanganisiwe komgogodla zihlanganisa:
- Ukungabi namandla
- Ubumbulu, ukubetha
- Spasticity
- Izinkinga zokulinganisela
Ulimi lokuvuvukala luphinde lubangele ukutholakala kwevithamini B12. I-glossitis igama elisetshenziselwa ukuchaza ulimi olubuhlungu, olungavamile olungahle lungabangelwa kulokhu kuntuleka okunomsoco.
Izimo Ezihlobene Ne-Vitamin B12 Ukuntuleka
Isifo se-Thyroid kanye ne-Multiple Sclerosis (MS) zombili izimo zikholelwa ukuthi zihlobene nenqubo yokuzimela. Isifo esizimele siyisimo esibangelwa umzimba ohlasela ngokwawo.
Ukuntuleka kwe-intrinsic kuyisifo esizimele esivela ekuhlaseleni 'okuzimele' esifundeni sesisu esithintekayo ekuthineni kwe-vitamin B12.
Ngokuvamile, abantu abanesifo se-thyroid noma i-MS nabo banokuntuleka kwezinto ezingaphakathi kanye nokuntuleka kwe-vitamin B12 ehambisana nayo.
Izimbangela ze-Vitamin B12
Ukungena Kwezindleko Eziphansi
Isizathu esivame kakhulu sokuntuleka kwe-vitamin B12 ukungabi khona kwevithamini B12 ekudleni. I-Vitamin B12 iyisakhi esitholakala kuphela kwimikhiqizo yezilwane njengenyama, inkukhu, inhlanzi, amaqanda kanye nobisi. Ngakho-ke izikhumba zisengozini enkulu kakhulu yevithamini B12 ephansi, njengoba kungabantu abangenayo imifino abangadli okwanele kulawo mavithamini B12.
Ezinye ukudla ziqiniswa nge-vitamin B12, futhi uma ufuna ukuthola vithamini B12 yakho ngokusebenzisa ukudla kwe-vegan, kufanele wenze umzamo wokufuna lezo izinhlobo zokudla.
Ukwamukelwa okuphansi
I-Vitamin B12 ibanjwe emathunjini amancane, kodwa idinga ukutholwa kokuqala esiswini kuqala. Ngakho-ke, ezinye izimo ezithinta esiswini noma emathunjini amancane zingaphazamisa ukungena kwe-vitamin B12 efanele. I-intrinsic factor iprotheyini ekhiqizwa esiswini ehlanganisa i-vitamin B12 ngaphambi kokuba ingene emathunjini amancane.
Ukuzibulala ngokuzenzakalelayo, ukuhlinzwa kwesisu esiswini kanye nokuvuvukala kwesisu yizo zonke izimo eziphazamisa ukukhiqizwa kanye nokusebenza kwesici sangaphakathi, ngakho-ke i-vitamin B12 ekudleni ayinakuthola ngokwanele emzimbeni, futhi esikhundleni salokho, isuswa emzimbeni ukunyakaza.
Ukusetshenziswa kotshwala okudakayo kubangela ushintsho emgodini wesisu, kuphazamise ukukhiqizwa kwezinto zangaphakathi, okubangela ukulahlekelwa kwe-B12.
Izifo ezisemathunjini ezinjenge-Crohn's and Celiac Disease zingavimbela ukumunwa okufanelekile kwe-vitamin B12 emathunjini amancane, okwenza kube nokuntuleka ngisho noma kukhona ukudla okwanele kwamavithamini B12 ekudleni.
I-anemia enenhliziyo yisifo esizimele esinciphisa noma sichitha isici sangaphakathi, iphrotheni esiswini esisondelene ne-B12 yokudla ukuze sikwazi ukungena. Lokhu kuholela ekuntulekeni kwe-B12 nge-malabsorption. Lolu hlobo lokuntuleka kwe-B12 alukwazi ukuphathwa nge-B12 ngomlomo esikhundleni, futhi kudinga ukwelashwa nge-vitamin B12 shots.
Izimpawu ze-anemia eziyingozi zihlanganisa:
- Ukukhathala
- Ukungabi namandla
- Lightheadedness
- Ukucindezeleka
- Izinsizwa
- Ukushaya kwenhliziyo okusheshayo
- Ukukhala ezindlebeni
Imithi ingaphazamisa ukungena kwe-vitamin B12. Imithi ejwayelekile kakhulu engabangela amazinga aphansi e-vitamin B12 afaka:
I-Metformin: imithi esetshenziselwa ukwelapha isifo sikashukela
I-Colchicine: imithi esetshenziselwa ukuphatha igciwane
I-Chloramphenicol: i-antibiotic esetshenziselwa ukuphatha izifo
Imithi eminingi esetshenziselwa ukwelashwa kwe-heartburn
Izwi elivela
Uma unesifo se-vitamin B12, imiphumela eminingi ingashintshwa, ikakhulukazi ekuqaleni. Ngokuvamile, uma ukutholakala kwakho kwevithamini B12 kubangelwa ukuntuleka kokudla okunomsoco, izithako zokudla noma ukudla okuqinile kungasiza ekuthuthukiseni amazinga akho e-vitamin B12.
Uma ukumunwa okungahambi kahle kungenxa yokuntuleka kwe-vitamin B12 yakho, ngokuvamile kubhekwa njengendlela ephumelelayo ukuze uthole isisombululo sakho se-vitamin B12 ngokusebenzisa amajojo kunokuba umlomo, njengoba lokhu kuvumela ukuthi izakhi zingene emzimbeni womzimba ngokuqondile.
> Imithombo:
> Cerit L, Duygu H, Gulsen K, Kemal H, Tosun O, Ozcem B, Cerit Z, Gunsel A, Kardiol Pol. Ubuhlobo phakathi kwe-vitamin B12 ne-SYNTAX score. 2017; 75 (1): 65-70.
> Luciana Hannibal, uVevgard Lysne, u-Anne-Lise Bjørke-Monsen, uSidney Behringer, uSara C. Grünert, u-Ute Spiekerkoetter, uDonald W. Jacobsen, no-Henk J. Blom, ama-Biomarkers kanye ne-Algorithms for the diagnosis of Vitamin B 12 Defence, Front Mol Biosci. 2016; 3:27, do: 10.3389 / fmolb.2016.00027