Niacin, kapena vitamini B-3, ndilo mawu omveka bwino omwe amatanthauza nicotinic acid ndi zotsatira zake. Mitundu itatu yayikulu ya niacin imapezeka panopa pamsika:
- nicotinic asidi
- nicotinamide
- inositol hexaniacinate
Mitundu yonse ya niacin imapezeka pamtengowo pamtundu wosiyanasiyana, kaya mwawo wokha kapena multivitamin. Nicotinic yokha ndiyopezeka ngati mankhwala olembedwa pansi pa dzina la malonda a Niaspan.
Nicotinic Acid
Nicotinic acid, kapena vitamini B3, ndi mtundu wa niacin umene wawonetsedwa kuti umakhudza mbali zonse za chithokomiro, kuchepetsa cholesterol cha LDL ndi 15% mpaka 25%, kuchepetsa triglycerides ndi 20% mpaka 50%, ndi kukweza cholesterol cha HDL ndi 15 % mpaka 30%.
Njira yomwe imachitira izi siidziwika. Komabe, kafukufuku wakale wanena kuti nicotinic asidi amachepetsa kuchuluka kwa LDL ndi VLDL cholesterol chopangidwa ndi chiwindi.
Zotsatira Zotsatira
Nicotinic acid imagwirizananso ndi zotsatira zina zosayenera, monga:
- kuthamanga
- kuyabwa
- kusintha kwa shuga
- m'mimba mwaukali
- kutentha kotentha
- palpitation
Zotsatira zake zikuwoneka zikugwirizana ndi mphamvu ya mlingo ndipo zingachepetse ngati mutenga mawonekedwe a nicotinic acid. Zizindikiro izi zimawonongeka patangotha sabata kapena kuposerapo, pamene thupi lanu limasintha kwa mankhwala. Komabe, zizindikiro zikhoza kukhala zovuta kwambiri kwa odwala ena mpaka atasiya kutenga mtundu uwu wa niacin.
Fomu iyi ya niacin imapezeka pamsika komanso ngati mankhwala. Kuwonjezera apo, nicotinic asidi imapezekanso m'njira zingapo. Mu mankhwala omwe amatulutsidwa mwamsanga, nicotinic acid imalowa m'thupi nthawi imodzi. Komabe, mankhwalawa amatulutsa nicotinic asidi m'thupi pang'onopang'ono pofuna kuyesetsa kuchepetsa mavuto .
Nicotinamide ndi Inositol Hexaniacinate
Nicotinamide ndi inositol hexaniacinate ndi mitundu iwiri yopezeka malonda yomwe inakonzedwanso kuti ichepetse kuthamanga ndi kuyabwa komwe kumayenderana ndi niacin, komabe kusungabe mphamvu zawo zotsika kwa kolesterolini.
Ngakhale maphunziro apang'ono omwe alipo potsatsa mankhwalawa amasonyeza kuti amachepetsa kuthamanga komwe kumagwirizanitsidwa ndi niacin, zotsatira za maphunzirowa zimasakanikirana ndi momwe angathe kuchepetsa cholesterol.
Zotsatira:
Gawo Lachitatu la Maphunziro a Zakale za Cholesterol (NCEP) Gulu la Ofufuza pa Kuzindikira, Kufufuza, ndi Kuchiza kwa Mwazi Wambiri Wamagazi mu Akuluakulu (PDF) , July 2004, National Institutes of Heath: National Heart, Lung, ndi Blood Institute.
Norris RB. Nkhinayi yopanda mphamvu: Zakudya zowonjezera zakudya zingakhale zopanda phindu. Choyamba Cardiol. 2006; 9 (1): 64-65.