Lindy Valdez
Ngokwenyani kwisiqubulo esithi "kuninzi kunceda kakhulu", abantu abaninzi bathatha idosi ephezulu yezongezelelo zevithamini. Nangona kunjalo, kukho izixa-mali ezimiselweyo eziphezulu. I-vitamin overdose ngamanye amaxesha ingaba yingozi. Itheyibhile yethu ityhila ukuba zeziphi izixa ezithandabuzekayo.
Kwimeko yesondlo esingalinganiyo okanye esingonelanga, njengokutya ukutya, iindawo ezininzi zokungcebeleka kwizongezo zokutya. Oku kunokukhokelela ngokukhawuleza kwi-vitamin overdose. Into ebonakala ingenabungozi ekuqaleni inokuba nemiphumo emibi yempilo.
Yintoni i-vitamin overdose?
Iivithamini zisempilweni. Nangona kunjalo, ukuba i-overdose, inokuba yingozi kwaye ibangele iziphumo ebezingalindelekanga ezingafunekiyo. Oogqirha babiza le "hypervitaminosis". Kuphantse ukuba akunakwenzeka ukuthatha izixa ezikhulu kakhulu zeevithamini ngokutya kwemihla ngemihla. Ngakolunye uhlangothi, ukugqithisa kwizongezo zokutya kunye namalungiselelo e-vitamin kuqhelekileyo.
Iivithamini ezininzi kakhulu: Ezi ziphumo bezingalindelekanga zenzeka
Zonke iivithamini zivelisa iziphumo ezibi xa zigqithise. Nangona kunjalo, ubunzima beziphumo zempilo buyahluka. Kufuneka uqaphele ngokukodwa iivithamini ezimbini.
Ukugqithisa okungapheliyo kwe-vitamin A kubangela i-osteoporosis
IVithamin A ikhuthaza ukubona kwethu kwaye iqinisekisa ulusu oluhle kunye namazinyo asempilweni. Ukutya kwezilwanyana ngumthombo olungileyo wevithamin A. Ngokungafaniyo nezinye iindidi, ivithamin A ayikhutshwa nje ngumchamo. Iqokelela esibindini. Oosonzululwazi bafumanise ukuba ukutya okungaphezulu kwe-3000 µg ngosuku kunokubangela isicaphucaphu, ukugabha, urhudo, isiyezi, ukubona luzizi, nokulahleka kweenwele, phakathi kwezinye izinto.
Ngaphezu koko, ukugqithisa ngokusisigxina kwe-vitamin A kunokukhokelela ekulahlekeni kwethambo (i-osteoporosis) kunye nomonakalo wesibindi wesikhashana okanye osisigxina. Ngokweengxelo zeBBC, abantu abatshayayo abasebenzisa ivithamin A eyongeziweyo bade banyuse umngcipheko wokuba nomhlaza wemiphunga. Ukuba ubuninzi bevithamini buqhubeka iminyaka emininzi, ityhefu inokubulala.
Iivithamini ze-B ezininzi zibangela ukukhubazeka kunye nokulimala kwemithambo-luvo
Zonke iivithamini B zilawula imetabolism yethu. I-Vitamin B6 iqinisa i-nerve kunye ne-immune system, i-vitamin B12 ibandakanyeka ekuqhekekeni kwe-fatty acids kunye nokubunjwa kwegazi. Inkukhu, isalmon, ubisi, kunye neavokhado zizityebi ngakumbi kwivithamin B.
Ukuthathwa kwemihla ngemihla okungaphezulu kwe-500 µg kuthathwa njengokugqithisileyo. Umonakalo we-nerve ungenzeka ngenxa ye-vitamin engaphezulu, ezibonakalisa ngendlela yokukhubazeka, ukulahleka kwe-reflexes, ukuphazamiseka kwiqondo lokushisa, okanye ukulahlekelwa kwemvakalelo ezandleni nasezinyaweni. Ukuvuvukala kolusu (i-acne) nako kunokubonakala. Kodwa: i-overdose yevithamin B ayinakwenzeka kuba umzimba ukhupha nje izixa ezingeyomfuneko.
Ukugqithiswa kwe-Vitamin C kunokubangela ukugabha
I-Vitamin C yenye yeevithamini ezidumileyo. Ukusilela kunokubangela isifo samazinyo, amaqhakuva, kunye nokudinwa. Abantu abaninzi, ke ngoko, bathatha izongezo ze-vitamin C njengomlinganiselo wothintelo. Oogqirha nabo bancomela isongezelelo sokuphelisa imikhuhlane. Iziqhamo zeCitrus, amajikijolo, kunye nemifuno efana ne-broccoli kunye ne-Brussels sprouts ngokukodwa zinomxholo ophezulu we-vitamin C.
Umda ophezulu we-2000 mg ngosuku ucetyiswa ukukhusela isifo sohudo kunye nokunyanzeliswa kwesisu. Abantu abasebenzisa le mali ngosuku banokufumana iimpawu ezifana nokugabha, intloko ebuhlungu, nokungalali.
Ukugqithisa kwe-vitamin D kunokukhokelela kwi-coma
I-Vitamin D yomeleza amathambo ethu kwaye inefuthe kumandla omzimba. Ukugqithisa kwe-vitamin D ngokukhanya kwelanga kakhulu okanye ukutya okucebileyo kwe-vitamin D (amaqanda, i-herring, ushizi) akunakwenzeka. Ngakolunye uhlangothi, umzimba uvala ngokuzenzekelayo ukuveliswa kwe-vitamin D emva kokuba selangeni ixesha elide, kwelinye icala, ukutya kuqulethe kuphela ixabiso elincinci le-vitamin D ukuba ukugqithisa akunakwenzeka.
Idosi ephezulu yamalungiselelo e-vitamin D ixesha elide iyingozi kakhulu emzimbeni: ityhefu yevithamini inokubangela ukwanda kwe-calcium egazini (hypercalcemia). Ngenxa yoko, i-calcium iqokelela kwimithambo yegazi kunye nezintso. Amanqanaba aphezulu e-potassium anokubangela ukuba umsebenzi wezintso wehle ngokukhawuleza kwaye ubangele iimeko ezinjengamatye ezintso kunye nokungaphumeleli kwezintso. Abo bachaphazelekayo bawela kwinto ebizwa ngokuba yi-hypercalcemic coma, enokubulala.
I-Vitamin E overdose inokunyusa umngcipheko wokufa
IVithamin E ixhasa ukhuseleko lomzimba kwaye inokunceda ukunciphisa umngcipheko womhlaza ngokuthintela iiradicals zasimahla. I-Vitamin E ifumaneka kukutya okufana neoli yemifuno okanye i-nuts. Ukugqithisa kwe-vitamin E ngokutya akunakwenzeka. Kwimeko yamalungiselelo e-vitamin E, iidosi zemihla ngemihla ukuya kuma-300 µg zibonwa zingenabungozi empilweni.
Iingcali zithetha ngokugqithiswa kwedosi evela kwixesha elide lokuthatha ngaphezu kwe-800 µg ye-vitamin E ngosuku. Oku kunokukhokelela kwiimpawu ezinjengokungatyi ukutya, isicaphucaphu, intloko ebuhlungu, ukudinwa, kunye notyekelo olwandisiweyo lokopha. Abaphandi base-US bafuna ukufumanisa kuphononongo lokuba ukuthatha i-vitamin E kwiimeko ezininzi kunciphisa ubomi bomntu endaweni yokwandisa.
NgokukaNjingalwazi uEdgar Miller, umbhali okhokelayo wophononongo lwemeta olupapashiweyo, nabani na othatha isongezelelo sevithamin E mihla le kwindawo eqhelekileyo yonyusa umngcipheko wokufa malunga neepesenti ezilishumi. Nangona kunjalo, le thesis ayiqinisekanga.
