Txhua lub cell hauv peb lub cev xav tau lub zog tas li. Carbohydrates yog qhov tseem ceeb tshaj plaws ntawm cov roj rau lub hlwb, lub plawv, cov leeg thiab hauv nruab nrab lub paj hlwb. Ntau yam kev noj zaub mov raws li kev noj zaub mov tsawg tsawg rau kev poob phaus, tab sis cov txiaj ntsig ntawm kev noj zaub mov zoo li no muaj teeb meem. Hauv cov zaub mov zoo li no, qhov tsis muaj zog yog hloov los ntawm cov protein ntau thiab cov rog. Qhov no ua rau muaj teeb meem, kab mob ntawm lub plawv, kab mob plab, thiab lwm yam. Kev noj zaub mov carbohydrates yog digested thiab tawg mus rau hauv qabzib. Glucose yog khaws cia hauv cov ntshav raws li qhov ncaj qha roj rau lub cev. Thaum cov kev xav tau ntawm lub zog tau ua tiav, cov piam thaj ntau dhau tau khaws cia hauv daim siab thiab cov leeg hauv daim ntawv ntawm glycogen. Thaum tsis muaj carbohydrates, lub siab ua rau glycogen tso tawm cov piam thaj. Carbohydrates tau muab faib ua yooj yim thiab txoj.
Cov khoom noj mis nyuj, txiv hmab txiv ntoo thiab zaub yog cov uas muab qee cov vitamins, minerals, antioxidants thiab fiber. Refined carbohydrates thiab qab zib, feem ntau pom muaj nyob rau hauv cov khoom qab zib, ncuav mog qab zib, hmoov dawb, thiab qab zib, tsis muaj cov as-ham thiab - starches - yog nplua nuj nyob rau hauv vitamin A, C, E, thiab K, vitamin B complex, potassium, hlau, thiab magnesium. . Tag nrho cov khob cij, cereals, legumes, starchy zaub, txiv ntseej thiab noob yog qhov zoo tshaj plaws ntawm cov carbohydrates nyuaj uas tseem muaj fiber ntau. Kev noj zaub mov muaj fiber ntau tiv thaiv ntshav qab zib, cem quav, rog rog, thiab mob qog noj ntshav. Qhov tsawg kawg nkaus pom zoo kom noj cov zaub mov carbohydrates yog . Feem ntau cov kws saib xyuas kev noj qab haus huv pom zoo tias yuav tsum muaj carbohydrates.