Niacin

Niacin, los yog vitamin B3, yog ib qho tseem ceeb ntawm B-complex dej-soluble vitamins uas lub cev xav tau los hloov zaub mov rau hauv lub zog.Tag nrho cov vitamins thiab minerals yog qhov tseem ceeb rau kev noj qab haus huv, tab sis niacin tshwj xeeb tshaj yog zoo rau lub paj hlwb thiab plab hnyuv.Cia peb ua tib zoo saib kom nkag siab zoo dua niacin cov txiaj ntsig thiab nws cov kev mob tshwm sim.

Niacin yog ib txwm muaj nyob rau hauv ntau yam khoom noj thiab muaj nyob rau hauv cov tshuaj ntxiv thiab tshuaj, yog li nws yooj yim kom tau txais niacin txaus thiab sau nws cov txiaj ntsig kev noj qab haus huv.Cov ntaub so ntswg hauv lub cev hloov niacin rau hauv coenzyme siv tau hu ua nicotinamide adenine dinucleotide (NAD), uas yog siv los ntawm ntau tshaj 400 enzymes hauv lub cev los ua haujlwm tseem ceeb.

Txawm hais tias niacin tsis txaus yog tsawg ntawm cov neeg hauv Tebchaws Meskas, lawv tuaj yeem ua mob hnyav thiab ua rau muaj kab mob hu ua pellagra.Cov mob me me ntawm pellagra tuaj yeem ua rau mob raws plab thiab dermatitis, thaum mob hnyav dua tuaj yeem ua rau dementia thiab ua rau tuag taus.

Pellagra feem ntau yog cov neeg laus hnub nyoog ntawm 20 mus rau 50 xyoo, tab sis nws tuaj yeem zam tau los ntawm kev noj cov zaub mov pom zoo (RDA) ntawm niacin.Tus neeg laus RDA rau niacin yog 14 txog 16 mg ib hnub twg.Niacin muaj nyob rau hauv cov khoom noj xws li ntses, nqaij qaib, nqaij nyuj, qaib ntxhw, txiv hmab txiv ntoo, thiab zaub.Niacin kuj tuaj yeem tsim hauv lub cev los ntawm cov amino acid tryptophan.Cov amino acid no muaj nyob rau hauv cov khoom noj xws li nqaij qaib, qaib ntxhw, txiv ntseej, noob, thiab cov khoom soy.

Niacin kuj tseem nyob hauv ntau lub khw muag khoom multivitamin raws li kev noj haus ntxiv.Ob qho tib si Nature Made thiab Centrum neeg laus multivitamin muaj 20 mg ntawm niacin ib ntsiav tshuaj, uas yog kwv yees li 125% ntawm cov neeg laus RDA.Nicotinic acid thiab nicotinamide yog ob hom tshuaj niacin.Cov tshuaj niacin nyob rau hauv khw muag khoom muaj nyob rau hauv ntau yam muaj zog (50 mg, 100 mg, 250 mg, 500 mg) uas siab dua RDA.Cov ntawv sau tshuaj ntawm niacin suav nrog cov npe xws li Niaspan (ntxiv-tso tawm) thiab Niacor (tso tawm tam sim) thiab muaj nyob rau hauv qhov muaj zog siab txog 1,000 mg.Niacin tuaj yeem pom nyob rau hauv ib qho kev tso tawm ntxiv kom txo tau qee qhov kev mob tshwm sim.

Qee zaum niacin tau muab tshuaj nrog rau cov tshuaj txo cov roj cholesterol xws li statins los pab ua kom cov ntshav lipid normalizes.

Lwm cov pov thawj qhia tau hais tias niacin yog qhov zoo rau cov neeg uas muaj kev pheej hmoo siab mob plawv thiab mob plawv vim tias nws tsis tsuas yog txo qis LDL roj cholesterol tab sis kuj triglycerides.Niacin tuaj yeem txo qis triglyceride los ntawm 20% mus rau 50%.