Yini Okufanele Ngiyizi Ngayo?
Izithako ze-Vitamin C zivame ukuvikelwa ngokwemvelo ngokubhekene nezimo zezempilo eziningana, ezifana nomkhuhlane ovamile . Kodwa ngenkathi ucwaningo lubonisa ukuthi kuhlanganise nevithamini C ngokwanele ekudleni kwakho kungavimbela izinkinga ezithile zezempilo, kukhona ukungabi nobufakazi besayensi ukusekela ukusetshenziswa kwamavithamini C.
Isebenzisa ama-Vitamin C Supplements
Kutholakale ngokwemvelo ngezithelo nemifino eminingi, i-vitamin C iyadingeka ekwenzeni i-collagen, ukuphulukisa isilonda, nokulungiswa nokugcinwa kwe-cartilage, amathambo namazinyo.
Eminye imithi, izithako ze-vitamin C zinikeza izinzuzo zokuvimbela i-antioxidant futhi zithi zizosiza izimo zempilo ezilandelayo:
- amakhaza
- i-asthma
- i-bronchitis
- isifo senhliziyo
- i-cataracts
- i-glaucoma
- umfutho wegazi ophezulu
- Isifo sikaParkinson
Abanye abaxhasile bathi futhi ukutholakala kwe-vitamin C kungakhuphula umkhuhlane, kanye nokusiza ekuvimbeleni umdlavuza.
Izinzuzo zezempilo ze-Vitamin C Supplement:
Kuze kube manje, ukuhlolwa kwemiphumela yezempilo ye-vitamin C isondlo kuye kwaveza imiphumela ehlanganisiwe. Nakhu ukubuka ezinye izihluthulelo ezisemqoka:
1) Amakhoza
Ekubuyekezweni kuka-2007 kwezivivinyo ezingama-30 (okubandakanya abantu abangu-11 313), abacwaningi baphetha ngokuthi amavithamini C angeke akwazi ukulwa nokushisa kwabantu abavamile. Noma kunjalo, abalobi be-review baqaphele ukuthi izithako ze-vitamin C zingase zibe yinzuzo kwabanye abantu abahlala ezindaweni ezibandayo kakhulu noma kubantu ababhekene nezikhathi ezincane zokuzivivinya umzimba (njengabagijimi bezemidlalo).
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2) Izifo Zenhliziyo
Ukuthatha izithako ze-vitamin C kungase kunganciphisi ingozi yemicimbi emikhulu yezinhliziyo, ngokusho kocwaningo olwenziwa ngo-2008 lwabahlengikazi besilisa abangu-14 641 (abaneminyaka engama-50 nangaphezulu ekuqaleni kwesiqalo sokufunda). Phakathi neminyaka eyisishiyagalombili, amalungu okufunda athatha i-placebo noma i-500 mg yevithamini C efomini lokugcwalisa nsuku zonke.
(Ngaphezu kwalokho, iqembu le-supplement lithatha i-400 IU ka-vitamin E njalo ngosuku.) Imiphumela yokufundwa ibonise ukuthi amavithamini E noma i-vitamin C ayinayo imithelela ebalulekile ezinkingeni ezinkulu zenhliziyo, njenge- stroke kanye ne-heart attack.
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3) Igciwane
Ukuze kwenziwe ucwaningo olwanyatheliswa ngo-2009, abesifazane abangu-8 171 bathatha i-placebo noma ama-500 mg we-vithamini C efonini yokugcwalisa nsuku zonke (kanye ne-vitamin E ne-beta carotene nsuku zonke) ngokulinganiselwa kweminyaka engu-9,4. Imiphumela yokufundwa ibonise ukuthi ukuxhaswa ngevithamini C, vitamin E, noma i-beta carotene akuzange kusize ukuvimbela umdlavuza.
Ngaphezu kwalokho, isifundo se-2008 esabandakanya amadoda nabesifazane abangu-77 721 (abaneminyaka engama-50 kuya kwezingu-76) bathola ukuthi ukusetshenziswa kwe-vitamin C isikhathi eside akuzange kunciphise ingozi yomdlavuza wamaphaphu. Futhi ekubuyekezeni kuka-2004 ngezifundo ezingu-14 ezithinta izidakamizwa ze-antioxidant kanye nokuvimbela ukwelashwa kwamathumbu - okubandakanya ukuhlolwa okunezinto okubandakanya izithako ze-vitamin C - abaphenyi abatholanga bufakazi bokuthi ama-antioxidant supplement avimbela ukwelashwa kwamathumbu.
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Amapulangwe
Nakuba i-vitamin C ngokuvamile ibhekwa njengophephile, amanani aphezulu angabangela imiphumela eminingi emibi, kuhlanganise namatshe wezinso, isifo sohudo esibi kakhulu, kanye nesicashu. Ngaphezu kwalokho, ucwaningo lwango-2008 lubonisa ukuthi ukuthatha isisindo se-vitamin C ngenkathi ukwelashwa komdlavuza kunganciphisa ukusebenza kwemithi ethile ye- chemotherapy .
Izindleko azange zihlolwe ukuphepha futhi ngenxa yokuthi izithako zokudla ngokuvamile azihambisani nomthetho, okuqukethwe kwemikhiqizo ethile kungase kuhluke kulokho okushiwo kwilebula lomkhiqizo. Futhi khumbula ukuthi ukuphepha kwezidakamizwa kwabesifazane abakhulelwe, omama abahlengikazi, izingane, nalabo abanezimo zezokwelapha noma abaphuza imishanguzo ayisungulwa.
Ungathola amathiphu engeziwe okusebenzisa izithako lapha .
Ukusebenzisa i-vitamin C yezempilo
Njengoba kunikezwa ukusikelwa kwesayensi ngezinzuzo zezempilo ze-vitamin C, kubalulekile ukungathembeki kwimikhiqizo yevithamini C njengokwelashwa okuyinhloko kwanoma yisiphi isimo sezempilo. Ukuze uthole i-vitamin C eyanele nsuku zonke, bheka kuqala emithonjeni yokudla efana ne-citrus, ama-strawberries, utamatisi, i-pepper, imifino eluhlaza, kanye ne-cantaloupe.
Uma ubheka ukuphatha noma ukuvimbela isimo esithile nge-supplements C vitamin C - noma noma yiluphi uhlobo lokuxhasana kokudla - qiniseka ukuthi uthintane nodokotela wakho ngaphambi kokuba uqale uhlelo lwakho lokuxhaswa. Khumbula ukuthi imithi ehlukile akufanele isetshenziswe njengengxenye yokunakekelwa okujwayelekile. Ukwelapha isimo futhi ukugwema noma ukubambezela ukunakekelwa okujwayelekile kungaba nemiphumela emibi.
Imithombo:
Bjelakovic G, Nikolova D, Simonetti RG, Gluud C. "Izithako zokuvimbela antioxidant zokuvimbela amagciwane omzimba." I-Cochrane Database Syst Rev. 2004 18; (4): CD004183.
UDouglas RM, uHemilä H, Chalker E, Treacy B. "I-Vitamin C yokuvimbela nokwelapha okubandayo." I-Cochrane Database Syst Rev. 2007 18; (3): CD000980.
UHeaney ML, Gardner JR, Karasavvas N, Golde DW, DA Scheinberg, Smith EA, O'Connor OA. "I-Vitamin C iphikisana nemiphumela ye-cytotoxic yezidakamizwa ze-antineoplastic." I-Can Res 2008 1; 68 (19): 8031-8.
Lin J, Cook NR, Albert C, Zaharris E, Gaziano JM, Van Denburgh M, Buring JE, Manson JE. "Amavithamini C no-E kanye ne-beta carotene supplementation kanye nomngcengomdlavuza: isilingo esilawulwa ngokungahleliwe." J Natl Cancer Inst. 2009 7; 101 (1): 14-23.
I-Memorial Sloan-Kettering Center Cancer. Mayelana namakhambi: Vitamin C. February 2009.
Izikhungo zezempilo zikazwelonke. "I-Vitamin C (ascorbic acid): i-MedlinePlus Medical Encyclopedia". Mashi 2010.
Izikhungo zezempilo zikazwelonke. "I-Vitamin C (ascorbic acid): I-MedlinePlus Supplements". Agasti 2009.
Sesso HD, Buring JE, Christen WG, Kurth T, Belanger C, MacFadyen J, Bubes V, Manson JE, Glynn RJ, Gaziano JM. "Amavithamini E no-C ekuvimbeleni isifo senhliziyo emadodeni: i-Physicians 'Health Study II isilingo esilawulwa ngokungahleliwe." I-JAMA. 2008 12; 300 (18): 2123-33.
I-Slatore CG, uLittman AJ, AuDH, uSatia JA, u-White E. "Ukusetshenziswa isikhathi eside kwe-multivitamines, i-vitamin C, i-vitamin E, futhi i-folate ayinciphisi ingozi yomdlavuza wamaphaphu." Am J Respir Crit Care Med. 2008 1; 177 (5): 524-30.