Soy sawv cev muaj txiaj ntsig zoo rau kev noj zaub mov vegan vim tias taum pauv ntau cov protein ntau. Npaj npaj noj, cov ntsiab lus ntawm cov protein yog nyob ib ncig ntawm 9 feem pua. Cov protein uas nws muaj tuaj yeem nqus tau yooj yim thiab siv los ntawm lub cev. Txij li thaum vegans tsis noj cov protein los ntawm cov nqaij los yog cov khoom siv mis nyuj, nws yog ib qho tseem ceeb kom tau txais cov protein los ntawm cov nroj tsuag thaum ua raws li cov khoom noj vegan.
Hauv tib neeg lub cev, cov proteins yog lub luag haujlwm, thiab lwm yam, rau kev tsim thiab rov ua dua tshiab ntawm lub cev cov protein sib txuas. Cov no suav nrog ib feem loj ntawm tib neeg lub cev xws li cov leeg, tawv nqaij, plaub hau, lub cev, cov qe ntshav, lossis cov tshuaj hormones.
100 grams ntawm soybeans qhuav muaj 35 grams protein, npaj los yog siav nws tseem yog 15 grams. Soy-based thiab kib tofu muaj 16 grams protein. Nrog kua mis nyeem qaub, cov ntsiab lus ntawm cov protein yog qis dua ntawm tsuas yog 3 feem pua.