Vitamin A

Tuam txhab Advantage
 

One Stop Solution
Peb yog Tuam Tshoj tus kws tshaj lij cov khoom siv raw khoom nrog ntau tshaj 10 xyoo ntawm kev xa tawm, muab cov chaw tsim khoom nrog ib qho kev daws teeb meem los ntawm cov khoom siv raw mus rau kev xa khoom.

 

Quality Assurance
Peb muaj cov kws tshaj lij nrog kev paub txog kev paub thiab kev paub dhau los txhawm rau tswj hwm nruj thiab ntsuas cov khoom siv raw, thiab peb cov khoom ua tau raws li kev lees paub thoob ntiaj teb thiab cov qauv.

 

Kev xa khoom sai
Peb ua haujlwm nrog ntau tus neeg muab kev pabcuam thauj khoom los muab peb cov neeg siv khoom sai, txhim khu kev qha, raug nqi thauj khoom thiab kev pabcuam xa tawm, nrog lub sijhawm xa khoom feem ntau yog 1-2 lub lis piam.

 

Kev lag luam dav dav
Peb cov neeg muas zaub tuaj ntawm Asmeskas, Europe, Asia thiab Australia. Peb txhawb tsis tau tsuas yog lub ntiaj teb sab saum toj manufacturers, hom thiab distributors, tab sis kuj cov lag luam me thiab startups nyob rau hauv cov kev lag luam.

 

Vitamin A yog dab tsi

 

 

Vitamin A yog ib tug fat-soluble vitamin. Nws cov ntawv sib txawv feem ntau hu ua "retinoids." Lawv suav nrog retinol, retinal, retinoic acid, thiab retinyl ester.Vitamin A yog xav tau rau kev loj hlob thiab kev ua haujlwm ntawm ntau lub cev, suav nrog ob lub qhov muag, tawv nqaij, thiab kev tiv thaiv kab mob. Nws tuaj yeem pom hauv ntau yam khoom noj, suav nrog txiv hmab txiv ntoo, zaub, thiab ntses. Carotenoids yog ib pawg ntawm cov tshuaj muaj nyob rau hauv cov nroj tsuag. Qee tus tuaj yeem hloov mus rau vitamin A hauv lub cev.Cov neeg feem ntau siv cov vitamin A los kho cov vitamin A tsis txaus. Nws kuj yog siv rau kev laus ntawm daim tawv nqaij, pob txuv, HIV / AIDS, cataracts, me nyuam loj hlob, kis kab mob, thiab ntau lwm yam mob.

Cov txiaj ntsig ntawm Vitamin A
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Ua kom pom kev noj qab nyob zoo
Ib qho ntawm cov vitamin A lub luag haujlwm tseem ceeb tshaj plaws yog khaws cia thiab tswj koj lub zeem muag. Nws pab hloov lub teeb uas cuam tshuam koj lub qhov muag mus rau hauv lub teeb liab hluav taws xob uas tuaj yeem xa mus rau koj lub hlwb.Koj lub cev kuj siv cov vitamin A los ua pigments rau koj cov retinas ua haujlwm zoo, thiab noo noo rau koj lub pob ntseg. Ib qho cim ntxov ntawm vitamin A tsis txaus yog qhov muag tsis pom hmo ntuj (nyctalopia), uas tuaj yeem ua rau tsis pom kev mus tas li yog tias tsis kho.

Pab tiv thaiv kab mob ua haujlwm
Vitamin A ntxiv dag zog rau koj lub cev tiv thaiv kab mob los ntawm kev txhawb nqa cov qe ntshav dawb thiab cov qog ua kua hauv koj lub ntsws, cov hnyuv thiab cov zis. Qhov no pab koj tiv thaiv kev kis kab mob thiab co toxins (tseem hu ua dawb radicals) uas ua rau mob thiab kab mob. Muab cov tshuaj vitamin A rau cov me nyuam mob qhua pias tau pom tias yuav txo tau tus kab mob hnyav, raws li World Health Organization. Hauv lwm lo lus, vitamin A qee zaum tuaj yeem cawm txoj sia.

Txo koj txoj kev pheej hmoo mob qog noj ntshav
Vitamin A ua lub luag haujlwm tseem ceeb hauv kev noj qab haus huv thiab kev loj hlob ntawm koj cov hlwb. Tab sis tsis muaj leej twg paub tseeb tias nws tseem yuav pab txo koj txoj kev pheej hmoo ntawm kev mob qog noj ntshav.Qee cov kev tshawb fawb qhia tias kev noj ntau dua ntawm beta-carotene lossis vitamin A los ntawm cov zaub mov cog tuaj yeem tiv thaiv qee yam mob qog noj ntshav, xws li non-Hodgkin lymphoma. Tab sis lwm cov kev tshawb fawb tau pom tias cov tshuaj vitamin A ntau tau ua rau muaj kev pheej hmoo ntawm mob qog noj ntshav thiab tuag rau cov neeg haus luam yeeb lossis siv haus luam yeeb.

Ua kom koj cov tawv nqaij ntshiab
Ntau tus neeg hais tias vitamin A yog ib qho kev kho mob zoo rau pob txuv thiab hnub nyoog ntawm daim tawv nqaij hloov, nrog rau cov tawv nqaij thiab hnub nyoog. Tab sis nws yog ib qho tseem ceeb uas yuav tsum tau siv cov vitamin A rau kev noj qab haus huv ntawm daim tawv nqaij nrog kev saib xyuas, txawm tias koj ntxiv cov vitamin A-nplua nuj rau koj cov khoom noj los yog siv cov vitamin A-raws li kev kho mob ntawm daim tawv nqaij xws li tshuaj los yog cream. koj txoj kev pheej hmoo ntawm pob txuv. Cov vitamin A ntau dhau (hypervitaminosis) tuaj yeem ua rau koj cov tawv nqaij qhuav thiab ua rau nws qhuav.

Txhawb nqa kev noj qab haus huv
Kev tsim nyog ntawm cov vitamin A hauv koj cov zaub mov yog qhov tseem ceeb rau kev noj qab haus huv ntawm kev ua me nyuam. Vitamin A tsis txaus tuaj yeem ua rau muaj menyuam tsis taus thiab ua rau ncua kev loj hlob thiab kev loj hlob ntawm cov menyuam yaus.Tab sis ntau cov vitamin A thaum cev xeeb tub tuaj yeem ua mob rau tus menyuam hauv plab, ua rau muaj kev pheej hmoo ntawm kev yug menyuam thiab muaj kev pheej hmoo kis mob thiab kab mob. Cov neeg uas cev xeeb tub yuav tsum zam cov zaub mov uas muaj vitamin A ntau, xws li pâté thiab daim siab, nrog rau cov tshuaj vitamin A.

Ua kom cov pob txha thiab cov hniav muaj zog
Vitamin A pab tswj cov pob txha kom zoo thiab kev loj hlob, txo koj txoj kev pheej hmoo ntawm kev raug mob lossis kev tsis taus. Tab sis nws yog ib qho tseem ceeb rau kev sib npaug. Cov kws tshawb fawb tau pom tias cov vitamin A kuj tseem yuav cuam tshuam nrog kev pheej hmoo siab ntawm cov pob txha noj qab haus huv, suav nrog pob txha pob txha thiab pob txha.

 

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Yuav ua li cas yog tias kuv muaj vitamin A tsawg heev

Tsis muaj vitamin A tsis muaj nyob rau hauv cov teb chaws tsim vim tias feem ntau cov neeg tuaj yeem tau txais cov tshuaj vitamin no los ntawm kev noj haus. Txawm li cas los xij, nws tuaj yeem tshwm sim rau cov neeg uas muaj kev noj qab haus huv tshwj xeeb uas cuam tshuam rau kev nqus ntawm cov khoom noj thiab cov as-ham, lossis thaum muaj kev noj zaub mov tsis txaus.Vitamin A tsis txaus cuam tshuam rau kev ua haujlwm ntawm peb lub zeem muag, tiv thaiv kab mob thiab kev loj hlob thiab nws tuaj yeem ua rau mob ntshav qab zib yog tias peb qib hlau. twb qis. Nws tshwj xeeb yog teeb meem thaum cev xeeb tub, vim nws ua rau muaj kev pheej hmoo ntawm kev yug menyuam.

Hauv cov xwm txheej hnyav dua, vitamin A tsis txaus tuaj yeem ua rau muaj kab mob hu ua xerophthalmia, uas cuam tshuam rau peb lub qhov muag kev noj qab haus huv ua rau hmo ntuj qhov muag tsis pom kev, qhov muag qhuav qhuav, pob qhov muag dawb thiab thaum kawg, qhov muag tsis pom kev. Txawm li cas los xij, qhov no feem ntau tshwm sim hauv cov teb chaws uas cov zaub mov tsis zoo hauv cov khoom noj uas muaj vitamin A.

 

Hom ntawm vitamin A
 
 
Carotenoids (provitamin A)

Carotenoids (provitamin A) muaj nyob rau hauv cov khoom noj uas cog, xws li carrots thiab qos yaj ywm qab zib, cov khoom noj muaj zog (qhov twg cov vitamins ntxiv) thiab cov tshuaj ntxiv. Txhawm rau zom cov carotenoids, koj lub cev xav tau cov rog noj qab haus huv los hloov (hloov) lawv mus rau lwm qhov, cov vitamin A (retinol). Ib qho ntawm feem ntau carotenoids yog beta-carotene, uas yog lub luag hauj lwm rau muab cov nroj tsuag lawv cov txiv kab ntxwv thiab liab pigments.

 
Retinoids (retinol lossis preformed vitamin A)

Retinoids (retinol los yog preformed vitamin A) muaj nyob rau hauv cov khoom noj tsiaj, xws li qe, ntses, mis nyuj thiab daim siab. Koj lub cev tuaj yeem siv daim ntawv no ntawm vitamin A tam sim ntawd.

 
Preformed vitamin A

Nws los ntawm cov khoom tsiaj xws li daim siab, qe, ntses, thiab mis nyuj. Preformed vitamin A twb nyob rau hauv ib daim ntawv uas koj lub cev yuav zom thiab nqus.

 
Provitamin A

Provitamin A los ntawm cov nroj tsuag xws li carrots, txiv lws suav, cantaloupes, qos yaj ywm qab zib, thiab nplooj ntsuab. Koj lub cev hloov nws mus rau hauv cov ntaub ntawv siv tau ntawm vitamin A. Ob hom vitamin A muaj nyob rau hauv daim ntawv ntxiv, tab sis kev tshawb fawb qhia tias koj lub cev tuaj yeem nqus tau zoo tshaj plaws los ntawm cov khoom noj. Noj cov zaub mov uas muaj vitamin A yog ib qho tseem ceeb rau kev tswj koj lub cev kev noj qab haus huv, qhov muag, thiab kev tiv thaiv kab mob.

 

 

Lwm cov txiaj ntsig ntawm vitamin A muaj xws li

 

 

Txo kev pheej hmoo ntawm qhov muag tsis pom
Kev tshawb fawb txog hnub nyoog txog kab mob qhov muag los ntawm National Eye Institute tau pom tias noj cov tshuaj antioxidants siab, xws li vitamin A, nrog rau zinc, tuaj yeem txo qhov kev pheej hmoo ntawm kev loj hlob ntawm cov hnub nyoog ntsig txog macular degeneration ntau npaum li 25%. Lub hnub nyoog ntsig txog macular degeneration yog feem ntau ua rau tsis pom kev hauv cov neeg laus.

Txo pob txuv thiab tshav ntuj puas
Vitamin A pab txhawb thiab tswj kev noj qab haus huv dermis thiab epidermis - ob txheej txheej ntawm daim tawv nqaij. Thaum siv cov tshuaj pleev ib ce, muaj pov thawj tias retinoids (ib chav kawm ntawm cov tshuaj tau los ntawm vitamin A) tuaj yeem siv los kho pob txuv thiab qee yam cim ntawm lub hnub puas tsuaj, hu ua yees duab aging.Txawm li cas los xij, ib qho kev mob tshwm sim feem ntau ntawm kev siv tshuaj pleev xim ntawm retinoids yog ' retinoid dermatitis ', uas tuaj yeem ua rau tawv nqaij khaus thiab caws pliav, tab sis kev kho cov koob tshuaj tuaj yeem txo qhov tsis zoo ntawm daim tawv nqaij.

Cov hniav thiab cov pob txha muaj zog
Vitamin A pab koj lub cev nqus calcium kom nws tseem ceeb rau lub qhov ncauj thiab pob txha noj qab haus huv. Nws ntxiv dag zog rau cov hniav enamel thiab txhawb cov mucous noj qab nyob zoo hauv lub qhov ncauj uas npog lub puab tsaig thiab cov pos hniav, ua rau nws tsis tshua muaj kab mob thiab kab mob.Nws tseem ceeb heev rau cov pob txha noj qab haus huv. Ob leeg osteoblasts (pob txha tsim hlwb) thiab osteoclasts (pob txha tawg hlwb) xav tau cov vitamin A, tab sis kev tshawb fawb soj ntsuam tau pom tias cov vitamin A ntau dua yog txuas rau cov pob txha pob txha thiab pob txha.

Kev tiv thaiv los ntawm kev puas tsuaj dawb radical
Raws li peb tau hnov, Vitamin A yog ib qho antioxidant, tiv thaiv cov hlwb los ntawm kev puas tsuaj dawb radical uas tuaj yeem ua rau muaj mob thiab kev laus. Txawm hais tias muaj qee qhov pov thawj tias antioxidants tiv thaiv kev mob qog noj ntshav, kev noj cov tshuaj vitamin A tsis zoo rau kev tiv thaiv, raws li National Cancer Institute.

 

Dab tsi yog qhov zoo tshaj plaws ntawm vitamin A

Cov khoom ua rau lub siab thiab lub siab
Lub siab yog cov khoom noj zoo tshaj plaws ntawm cov vitamin A, nrog rau cov roj siab cod thiab daim siab pâté. Cov zaub mov zoo li daim siab hnyuv ntxwm yog nplua nuj nyob rau hauv cov khoom noj tseem ceeb no uas koj yuav tsum txwv tsis pub ntau tshaj ib pluas noj ib lub lis piam kom tsis txhob noj ntau dhau. Ib 3-ounce kev noj cov nqaij nyug kib hauv daim siab muaj txog 6,600 mcg ntawm vitamin A - ntau dua 700% ntawm koj cov nyiaj tau los txhua hnub.

Txiv hmab txiv ntoo thiab zaub
Roj, noob thiab txiv ntseej muab ib koob tshuaj zoo ntawm vitamin A, nrog rau feem ntau sib sib zog nqus daj-txiv kab ntxwv thiab ntsuab tsaus, nplooj zaub thiab txiv hmab txiv ntoo. Ib tag nrho cov qos yaj ywm qab zib nrog nws cov tawv nqaij muaj txog 1,400 mcg ntawm vitamin A. Ib nrab khob ntawm cov carrots nyoos muaj ntau dua 450 mcg, lossis 51% ntawm koj qhov kev xav tau txhua hnub. Lwm cov khoom noj uas muaj vitamin A muaj xws li apricots, txiv duaj, broccoli, txiv kab ntxwv qaub, squash, watermelon thiab spinach.

Cov khoom noj mis nyuj

Cov mis nyuj yog ib qho zoo heev ntawm vitamin A, los ntawm mis nyuj thiab yogurt mus rau cheese thiab butter. Cov mis nyuj, cov rog tsawg thiab ntau cov zaub mov feem ntau muaj zog nrog cov vitamins, nrog rau cov vitamin A, yog li koj tsis tas yuav saib deb kom tau txais koj cov nyiaj tau los txhua hnub.

Qe

Qe yog ib qho khoom noj muaj txiaj ntsig ntawm txhua pluas noj, nrog cov yolks uas muaj ze li txhua cov vitamin thiab minerals uas koj lub cev xav tau ua haujlwm zoo. Ib lub qe tawv tawv muaj 75 micrograms (mcg), lossis 8% ntawm cov lus pom zoo niaj hnub rau vitamin A. Cov qe kuj muaj cov carotenoids lutein thiab zeaxanthin, uas yuav pab tiv thaiv koj lub zeem muag.

Ntses

Cov ntses oily yog qhov zoo tshaj plaws ntawm cov vitamin A. Sim salmon, mackerel lossis Bluefin tuna. Nws tsis siv ntau: Ib 3-ounce kev noj cov ntses sockeye salmon muab 7% ntawm koj cov nyiaj tau los txhua hnub.

 

Yuav Ua Li Cas Xaiv Vitamin A
 

Zam megadoses
Feem ntau, nrhiav tsis pub ntau tshaj 100 feem pua ​​​​ntawm Lub Chaw Tswj Xyuas Khoom Noj thiab Tshuaj Txhua Hnub Tus nqi ntawm cov vitamin A thiab cov zaub mov tseem ceeb (ib qho kev zam yog vitamin D, uas DV tsuas yog 400 IU, tsawg dua li ntau tus neeg yuav tsum noj). Kev zam cov koob tshuaj loj yog qhov tseem ceeb tshwj xeeb nrog cov vitamin A: Tsuas yog 200 feem pua ​​​​ntawm DV ntawm daim ntawv retinol, qee zaum tau teev nyob rau hauv cov ntawv sau raws li vitamin A acetate lossis palmitate, tuaj yeem ua rau muaj kev pheej hmoo ntawm kev yug me nyuam thiab lub siab puas.

 

Tsis quav ntsej tshwj xeeb thov thiab add-ons
Kev thov rau cov txiaj ntsig xws li kev tswj qhov hnyav lossis lub zog muaj zog feem ntau tsis muaj tseeb. Txawm hais tias cov khoom xyaw botanical, zaub mov rho tawm, thiab lwm yam khoom xws li lutein thiab lycopene tau muaj txiaj ntsig, cov nyiaj hauv multivitamin tej zaum tsawg dhau los ua rau muaj txiaj ntsig.

 

Xav txog ib qho multivitamin npaj rau koj lub hnub nyoog lossis poj niam txiv neej
Cov txiv neej thiab cov laus cov qauv feem ntau tsis muaj hlau, uas yog qhov zoo vim tias cov pab pawg no feem ntau tsis xav tau hlau ntxiv, thiab nws tuaj yeem ua rau lub cev puas tsuaj rau cov neeg muaj hemochromatosis, kab mob caj ces uas ua rau muaj hlau ntau dhau. Cov qauv laus kuj tseem muaj cov vitamin D ntau dua. Cov poj niam cov vitamin A tej zaum yuav muaj qee cov calcium ntxiv, tab sis tsis tshua muaj txaus kom ua tau raws li qhov yuav tsum tau ua txhua hnub yam tsis tas yuav muaj kev sib cais ntxiv.

 

 

 
Yuav ua li cas kom nqus tau cov vitamin A zoo tshaj plaws
 
01/

Noj ib pluag mov uas muaj rog nrog koj cov vitamin
Vitamin A yog ib tug fat-soluble vitamin uas yog absorbed zoo tshaj plaws los ntawm koj lub cev thaum koj noj nws nrog cov zaub mov muaj roj. Cov kev xaiv zoo yog nqaij liab, daim siab, qab zib los yog cheese, tag nrho cov mis nyuj, txiv roj roj, thiab cov ntses rog zoo li ntses salmon. Yog tias koj cov zaub mov tag nrho muaj roj tsawg, koj yuav tsis nqus cov vitamin A zoo.

02/

Tsis txhob noj cov tshuaj vitamin A thaum lub plab khoob
Noj koj cov tshuaj ntxiv thaum koj tsis tau noj dab tsi, lossis txawm tias nrog cov zaub mov muaj roj tsawg, yuav ua rau mob plab, plab zom mov lossis kub siab. Qhov no kuj tseem ua rau muaj kev pheej hmoo tias cov vitamin tuaj yeem dhau los ntawm koj lub cev yam tsis tau nqus tag nrho los ntawm koj lub cev.

03/

Noj avocado
Avocado muaj cov "cov rog zoo," thiab cov kev tshawb fawb tau pom tias cov zaub mov no tuaj yeem pab koj lub cev nqus cov vitamin A. Ntxiv ib qho avocado tag nrho rau koj pluas mov yuav txawm tias ob npaug ntawm cov vitamin A koj tuaj yeem nqus tau.

04/

Tau txais zinc txaus
Koj yuav tsum muaj zinc txaus hauv koj cov zaub mov kom thiaj li nqus tau cov vitamin A. Cov poj niam xav tau tsawg kawg yog 8mg txhua hnub (txog 10 lossis 11mg yog tias cev xeeb tub lossis pub niam mis), thiab cov txiv neej laus xav tau 11mg txhua hnub.[4] Cov khoom noj uas muaj zinc muaj xws li nqaij nyuj, nqaij npuas chops, nqaij qaib, crab, oysters, lobster, fortified cereals thiab oatmeal, cashews, almonds, swiss cheese, chickpeas, thiab raum taum.

 

 

Peb lub Hoobkas

Shaanxi Milo Biotech Co., Ltd yog lub ntiaj teb no, technical innovation-coj thiab cov kev pabcuam zoo tshaj plaws-raws li lub tuam txhab kws tshaj lij hauv Kev Noj Qab Haus Huv, Kev Noj Qab Haus Huv thiab Khoom Noj. natural pigments, vitamins, amino acids, thiab lwm yam.

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daim ntawv pov thawj
 
 
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FAQ
 

Q: Dab tsi yog vitamin A?

A: Vitamin A yog ib qho tseem ceeb roj-soluble vitamin. Koj tuaj yeem paub cov npe xws li retinol, retinal, retinoic acid lossis retinyl ester-cov no yog txhua hom vitamin A. Qee cov khoom tsiaj muaj preformed vitamin A (tseem hu ua retinol). Qee cov txiv hmab txiv ntoo thiab zaub muaj cov xim cog qoob loo (provitamin-A carotenoids, uas suav nrog beta-carotene) uas hloov pauv hauv lub cev mus rau vitamin A.

Q: Vim li cas cov vitamin A tseem ceeb rau kuv txoj kev noj qab haus huv?

A: Vitamin A pab kom koj lub cev noj qab nyob zoo. Nws tswj koj lub cev tiv thaiv kab mob thiab tiv thaiv cov qauv tseem ceeb hauv lub qhov muag: lub pob txha, conjunctiva, photoreceptor pas nrig thiab lub khob khob hauv lub retina. Qhov no yog vim li cas tej zaum koj yuav tau hnov ​​​​tias vitamin A yog ib qho tseem ceeb rau qhov muag kev noj qab haus huv.Vitamin A kuj txhawb kev loj hlob los ntawm kev ua kom cov phev noj qab haus huv thiab pab tsim cov qe.

Q: Dab tsi yog qhov chaw ntawm cov vitamin A?

A: Qee cov khoom noj uas muaj vitamin A yog los ntawm cov tsiaj, xws li nqaij (nqaij nyuj), cov khoom noj uas muaj roj ntau thiab qe qe.Beta-carotene, uas hloov mus rau hauv cov vitamin A, feem ntau pom muaj cov xim txiv kab ntxwv hauv cov txiv hmab txiv ntoo thiab zaub. thiab hauv qee cov roj.Txoj kev uas koj npaj koj cov zaub mov cuam tshuam rau cov vitamins zoo npaum li cas. Piv txwv li, txiav los yog ua noj cov zaub mov muaj vitamin A-nplua nuj yuav pab tau koj kom tau txais txiaj ntsig zoo tshaj plaws.

Q: Kuv puas yuav tsum noj cov tshuaj vitamin?

A: Txoj hauv kev zoo tshaj plaws los muab cov vitamins rau koj lub cev yog noj ntau yam zaub mov uas muaj cov proteins noj qab haus huv thiab ntau cov txiv hmab txiv ntoo tshiab thiab zaub. Kev noj cov vitamin ntxiv tuaj yeem txhais tau tias koj tau txais cov vitamin, tab sis tsis txaus lwm cov as-ham los pab koj lub cev nqus nws.Txawm li cas los xij, yog tias koj noj zaub mov nruj (piv txwv li, vegan noj) lossis muaj kev noj qab haus huv uas cuam tshuam rau koj noj. zaub mov lossis nqus cov as-ham, koj yuav tsum tau noj cov tshuaj vitamin kom tsis txhob muaj qhov tsis txaus thiab noj qab haus huv.

Q: Qhov kev pom zoo npaum li cas rau vitamin A?

A: Qhov pom zoo noj zaub mov noj (RDI) yog txiav txim los ntawm tsoomfwv Australian thiab nws txawv nyob ntawm koj lub neej thiab poj niam txiv neej. RDI rau vitamin A muaj li ntawm 250ug (micrograms) txhua hnub rau cov menyuam mos hnub nyoog 0 txog 6 lub hlis, txog 900ug ib hnub rau cov txiv neej thiab 700ug ib hnub rau cov poj niam. Cov poj niam cev xeeb tub thiab cov poj niam pub niam mis yuav tsum sab laj nrog kws kho mob txog kev noj zaub mov tshwj xeeb.

Q: Kev noj cov tshuaj vitamin A puas tuaj yeem ua rau muaj kev phiv?

A: Vitamin A yog cov vitamin fat-soluble, uas txhais tau hais tias nws tau khaws cia rau hauv koj lub cev cov hlwb. Qhov no txhais tau hais tias yog tias koj muaj cov tshuaj vitamin A ntau dua li qhov koj xav tau, vitamin A yuav tsim nyob rau hauv koj lub cev.Nws tsis zoo li tias koj yuav ntsib teeb meem kev noj qab haus huv los ntawm kev noj zaub mov ntau vitamin. Tab sis qee qhov tsis tshua muaj, yog tias koj muaj ntau cov khoom noj tshwj xeeb (xws li cov kua txiv hmab txiv ntoo loj lossis daim siab), vitamin A tuaj yeem txhim kho lub sijhawm.

Q: Kuv puas tuaj yeem noj cov vitamin A ntau dhau?

A: Nws muaj peev xwm noj ntau cov vitamin A yog li ceev faj. Kev noj cov tshuaj vitamin A ntau dhau lub sijhawm ntev tuaj yeem ua rau muaj kev phom sij hauv lub cev - tshwj tsis yog tias koj muaj kev kuaj mob tsis txaus.

Q: Cov vitamin A ua dab tsi rau lub cev?

A: Vitamin A (retinol, retinoic acid) yog cov khoom noj tseem ceeb rau lub zeem muag, kev loj hlob, kev faib cell, kev loj hlob thiab kev tiv thaiv kab mob. Vitamin A kuj muaj antioxidant zog.Fat soluble vitamins yuav tsum tau noj nyob rau hauv sib npaug. Piv txwv li, vitamin D ntau dhau tuaj yeem ua rau koj cov vitamin A ntau dhau. Nws kuj tau pom tias vitamin A toxicity tej zaum yuav tshwm sim los ntawm vitamin D tsis txaus.

Q: Dab tsi yog qhov zoo tshaj plaws ntawm cov vitamin A?

A: Cov ntsiab lus ntawm preformed vitamin A yog siab tshaj hauv daim siab, ntses, qe, thiab cov khoom noj siv mis [1]. Feem ntau cov khoom noj provitamin A nyob rau hauv Teb Chaws Asmeskas cov zaub mov yog los ntawm nplooj ntsuab ntsuab, txiv kab ntxwv thiab daj zaub, txiv lws suav, txiv hmab txiv ntoo, thiab qee cov roj zaub [1,5,14].

Q: Puas yog nws noj cov vitamin A txhua hnub?

A: Kev ceev faj tshwj xeeb thiab ceeb toom. Thaum noj los ntawm qhov ncauj: Vitamin A yuav muaj kev nyab xeeb thaum noj tsawg dua 10,000 units (3,000} mcg) txhua hnub. Vitamin A muaj nyob rau hauv ob hom: pre-tsim vitamin A (retinol los yog retinyl ester) thiab provitamin A (carotenoids).

Q: Ua li cas koj thiaj tau txais cov vitamin A siab?

A: Koj tuaj yeem tau txais vitamin A los ntawm kev suav nrog cov khoom zoo ntawm beta-carotene hauv koj cov zaub mov, vim lub cev tuaj yeem hloov qhov no mus rau hauv retinol. Cov zaub mov tseem ceeb ntawm beta-carotene yog: daj, liab thiab ntsuab (nplooj) zaub, xws li spinach, carrots, qos yaj ywm qab zib thiab kua txob liab. txiv hmab txiv ntoo daj, xws li txiv nkhaus taw, papaya thiab apricots.

Q: Yuav ua li cas thaum vitamin A siab dhau lawm?

A: Kev noj cov vitamin A ntev thiab ntau dhau tuaj yeem ua rau lub cev puas tsuaj, nrog rau daim siab, pob txha, hauv nruab nrab lub paj hlwb, thiab tawv nqaij. Lub siab fibrosis los yog cirrhosis tej zaum yuav irreversible. Cov pob txha txawv txav, xws li txo cov pob txha pob txha los yog pob txha, tuaj yeem tshwm sim txawm tias tom qab tsis siv cov vitamin A ntxiv.

Q: Qhov tsis muaj vitamin A ua dab tsi?

A: Kev tsis txaus ntawm cov vitamin A yog txuam nrog kev mob hnyav thiab kev tuag los ntawm kev kis kab mob me nyuam yaus, thiab yog lub ntiaj teb kev tiv thaiv ua rau me nyuam dig muag. Tsis muaj vitamin A kuj tseem ua rau niam txiv tuag thiab lwm yam tsis zoo ntawm cev xeeb tub thiab lactation.

Q: Cov kab mob dab tsi tiv thaiv vitamin A?

A: Vitamin A tuaj yeem tiv thaiv qee yam mob qog noj ntshav thiab pob txuv. Nws kuj tseem yuav pab kho psoriasis. Nws kuj tau thov los pab kho cov tawv nqaij qhuav lossis wrinkled. Nws kuj tseem tuaj yeem tiv thaiv qhov cuam tshuam ntawm cov pa phem thiab tiv thaiv kab mob ua pa.

Q: Dab tsi yog 3 txiv hmab txiv ntoo uas muaj vitamin A?

A: Carotenoids yog cov xim uas muab cov nroj tsuag lawv cov xim ntsuab thiab qee cov txiv hmab txiv ntoo thiab zaub lawv cov xim liab lossis txiv kab ntxwv. Cov chaw cog qoob loo ntawm cov vitamin A muaj xws li: mangos, papaya, ntau ntawm cov squashes, carrots, qos yaj ywm qab zib thiab pob kws (tab sis tsis yog hom dawb).

Q: Dab tsi yog 3 cov vitamins tseem ceeb tshaj plaws?

A: Txawm hais tias tag nrho cov vitamins yog qhov tseem ceeb thiab ua haujlwm tshwj xeeb thiab tseem ceeb hauv lub cev, ntau tus kws paub txog kev noj qab haus huv yuav pom zoo tias peb cov vitamins tseem ceeb tshaj plaws yog vitamin D, B12, thiab hlau. Cov khoom noj tseem ceeb no yog qhov tseem ceeb rau kev noj qab haus huv, thiab qhov tsis zoo yog qhov tshwm sim thiab / lossis tuaj yeem muaj qhov tshwm sim loj.

Q: Dab tsi yog 5 lub luag haujlwm tseem ceeb ntawm vitamin A?

A: Vitamin A pab tsim thiab tswj cov hniav noj qab haus huv, pob txha thiab cov nqaij mos, cov qog nqaij hlav, thiab tawv nqaij. Nws tseem hu ua retinol vim nws tsim cov pigments hauv retina ntawm qhov muag. Vitamin A txhawb qhov muag pom kev zoo, tshwj xeeb tshaj yog nyob rau lub teeb qis. Nws kuj muaj lub luag haujlwm hauv kev xeeb tub thiab pub niam mis.

Q: Kuv yuav paub li cas yog tias kuv tau txais vitamin A ntau dhau lawm?

A: Cov tsos mob ntawm Vitamin A ntau dhau
Kev noj cov vitamin A ntau dhau rau lub sijhawm ntev tuaj yeem ua rau cov plaub hau ntxhib, ib nrab ntawm cov plaub hau (xws li pob muag), daim di ncauj tawg, thiab tawv nqaij qhuav. Kev noj ntau npaum li cas ntawm cov vitamin A tuaj yeem ua rau daim siab puas.

Q: Kuv yuav paub li cas yog tias kuv tau txais vitamin A ntau dhau lawm?

A: Cov tsos mob muaj xws li kev hloov ntawm lub zeem muag, mob pob txha, thiab kev hloov ntawm daim tawv nqaij. Kev mob toxicity ntev tuaj yeem ua rau lub siab puas tsuaj thiab ua rau lub siab ntxiv rau koj lub hlwb. Hypervitaminosis A tuaj yeem kuaj tau siv cov ntshav kuaj xyuas koj cov qib vitamin A. Cov neeg feem coob txhim kho yooj yim los ntawm kev txo lawv cov vitamin A.

Q: Kuv yuav paub li cas yog kuv cov vitamin A tsawg?

A: Lub Koom Haum Saib Xyuas Kev Noj Qab Haus Huv Ntiaj Teb (WHO) ceeb toom tias hmo ntuj qhov muag tsis pom yog ib qho ntawm thawj cov cim qhia ntawm vitamin A tsis txaus. Hauv qhov xwm txheej hnyav, lub qhov muag tseem qhuav tawm, thiab cov ntaub so ntswg tuaj yeem tsim nyob rau hauv lub cornea. Qhov no nyob rau hauv lem yuav ua rau lub cornea ua hazy, tsim lesions, thiab puas.
Peb paub zoo tias yog ib qho ntawm cov vitamin ua lag luam thiab cov muag khoom hauv Suav teb. Thov so assured mus yuav los yog lag luam wholesale bulk zoo vitamin a rau muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi sib tw yog muaj.

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