Izithako zokuvimbela i-Antioxidant zivame ukufakwa njengendlela yokuvimbela izifo nokulwa nemiphumela emibi yokuguga. Kutholakale ngokwemvelo kokudla okuningana, ama-antioxidants yizinto ezisiza ukugoqa ama-radicals mahhala (amakhemikhali ase-imikhiqizo eyaziwa ukulimaza amangqamuzana nokusiza ekuthuthukiseni izifo ezithile). Ama-antioxidant supplements angase afake inani lezinhlobo ezahlukene zama-free-radical-combat combinations.
Amavithamini kuma-Antioxidant Supplements
Ama-antioxidant supplements ngokuvamile aqukethe izinto ezilandelayo, zonke zazo ezibhekwa njenge-antioxidants:
- I-Beta-carotene
- Lutein
- I-Lycopene
- Selenium
- I-Vitamin A
- I-Vitamin C
- I-Vitamin E
Izinzuzo
Abagqugquzeli be-supplement antioxidant basikisela ukuthi ukwandisa ukungenisa kwakho i-antioxidant kungasiza ekuvimbeleni izifo ezingapheli, kuhlanganise nesifo senhliziyo nomdlavuza. Kodwa ngenkathi ucwaningo lubonisa ukuthi ukudla okuphezulu ezintweni ezivuthiwe kanye nemifino eline-antioxidant kungasiza ekuvikeleni izifo, kuhlale kungacacile ukuthi izithako zokuvimbela i-antioxidant zisebenza ngokufanayo ekuvimbeleni izifo.
Kungenzeka Ngaphansi
Kube khona ezinye izifundo ezibonisa ukuthi izithako zokuvimbela i-antioxidant zingase zibeke ezinye izingozi zempilo. Nakhu ukubuka eziningana zalezi zifundwa:
1) Igciwane
Ukudla ngezikhathi ezithile eziqukethe i-beta-carotene kungandisa ukwanda komdlavuza kanye nokubulawa komdlavuza phakathi kwabokubhema, ngokusho kokubuyekezwa okuhleliwe nokuhlaziywa kwe-meta eshicilelwe ngo-2008.
Umbiko ofanayo wabuye wabonisa ukuthi ukunakekelwa kwe-selenium kungase kube nomthelela wokulwa nomdlavuza emadodeni, kuyilapho i-vitamin E yokwengeza engeke ithinte umdlavuza kanye nokufa.
2) Ukwelashwa Kwemdlavuza
Embikweni oshicilelwe ngo-2008, abacwaningi baxwayisa ukuthi iziguli zomdlavuza kufanele zigweme ukusetshenziswa kwezidakamizwa zokulwa ne-antioxidant ngesikhathi se-radiation kanye ne-chemotherapy.
Ngokombiko wabalobi, izithako zokuvimbela i-antioxidant zinganciphisa imiphumela ye-antiticancer ye-therapy.
3) Ingozi Yokufa
Ukuthatha ama-antioxidant supplements aqukethe i-beta-carotene, i-vitamin E, ne-vitamin A ingaxhunyaniswa nengozi yokufa, ngokusho kokubuyekezwa kuka-2007 nokuhlaziywa kwezibalo ezingu-68 kuhlanganise nabalinganiselwa abangu-232 606. Nakuba kungabikho ingozi yokufa ehambisana ne-vitamin C supplementation, abacwaningi abazange bathole ubufakazi bokuthi i-vitamin C yandisa isikhathi eside. Selenium supplementation, okwamanje, yabonakala ukunciphisa ingozi yokufa.
Kudinga Ukuqhubeka Nokucwaninga
Abanye ochwepheshe bezokwelapha bathi izifundo ezibonisa ukuthi kungenzeka ukuthi ingozi yempilo ye-antioxidant supplements ilahlekile ekuklanyeni. Ngokwesibonelo, ngemuva kokushicilelwa kokubuyekezwa kuka-2007 nokuhlaziywa kwe-meta okuxhumanisa ama-antioxidant supplement kuze kube yingozi yokufa, abacwaningi baseLinus Pauling Institute e-Oregon State University bakhulume isitatimende bethi lolu cwaningo "lugxila ubufakazi obubanzi bokuthi iza eziphethweni eziphambene kakhulu. " Abalobi besitatimende baphinde bathi ukudla kwama-antioxidants okuvela ekudleni noma ekufakeni amafutha kuye kwaboniswa ukunciphisa ingozi yesifo senhliziyo, ezinye izinhlobo zomdlavuza, izifo zamehlo, nesifo se-neurodegenerative (kanye nokuqinisa isimiso somzimba sokuzivikela).
Ukuthatha ama-Antioxidant Supplements
Ukuze uthole usizo ekukhuliseni ukusetshenziswa kwakho kwe-antioxidant, qala ngokungeza ukudla okune-antioxidant okucebile ekudleni kwakho.
Uma ubheke ukuqhubeka ukwandisa ukudla kwakho kwama-antioxidants, khuluma nodokotela wakho ukuthi ngabe ama-antioxidant supplements afanele yini kuwe.
Imithombo
IBardia A, IMTleyjeh IM, Cerhan JR, Sood AK, i-Limburg PJ, i-Erwin PJ, i-Montori VM. "Ukusebenza kokwengeza kwe-antioxidant ekunciphiseni izifo zomdlavuza kanye nokufa komdlavuza oyinhloko: ukubuyekezwa okuhlelekile nokuhlaziywa kwemeta." I-Mayo Clin Proc. 2008 83 (1): 23-34.
Bjelakovic G, Nikolova D, Gluud LL, Simonetti RG, Gluud C. "Ukufa ngokuhlolwa okungahleliwe kwezidakamizwa ze-antioxidant for primary and secondary prevention: ukubuyekezwa okuhlelekile nokuhlaziywa kwemeta." I-JAMA. 2007 28; 297 (8): 842-57.
Bostick RM, Potter JD, McKenzie DR, abathengisi TA, Kushi LH, Steinmetz KA, Folsom AR. "Ingozi yokunciphisa umdlavuza wekoloni onokudla okune-vitamin E: i-Iowa Women's Health Study." I-Can Res 1993 15; 53 (18): 4230-7.
IGaziano JM, Manson JE. "Ukudla nesifo senhliziyo. Indima yamafutha, utshwala, nama-antioxidants." I-Cardiol Clin. 1996 14 (1): 69-83.
U-Lawenda BD, uKelly KM, uLadas EJ, uSagar Sar, UVickers A, Blumberg JB. "Ingabe kufanele kugwenywe ukuphathwa kwemithi yokuvimbela i-antioxidant ngesikhathi i-chemotherapy ne-radiation therapy?" J Natl Cancer Inst. 2008 4; 100 (11): 773-83.
UMichels KB, Holmberg L, uBergkvist L, uLjung H, uBruce A, Wolk A. "Izivamine ezinama-antioxidant, i-retinol nesifo somdlavuza webele esifundeni samakhosikazi aseSweden." Int J Cancer. 2001 15; 91 (4): 563-7.
I-Oregon State University. "Ukufunda Ukubiza I-Antioxidant Vitamin Risks Ngokusekelwe Kwendlela Yokukhohlakala." February 2007.
Speizer FE, uColditz GA, Hunter DJ, Rosner B, Hennekens C. "Ukufunda ngokucophelela kokubhema, ukudla okunomuthi we-antioxidant, nomdlavuza wamaphaphu kuma-middle age abesifazane (USA)." I-Caus Causes Control. 1999 10 (5): 475-82.
Ukuziphendulela: Ulwazi oluqukethwe kule sayithi luhloswe ngezinjongo zemfundo kuphela futhi aluthathi iseluleko, ukuxilongwa noma ukwelashwa ngudokotela olayisensi. Akuhloselwe ukumboza zonke izinyathelo zokuqapha, ukusebenzisana kwezidakamizwa, izimo noma imiphumela emibi. Kufanele ufune ukunakekelwa okusheshayo kwezokwelapha kunoma yiziphi izinkinga zezempilo bese uthintana nodokotela wakho ngaphambi kokusebenzisa enye imithi noma wenze ushintsho ohlelweni lwakho.