Nicotinamide paub tias muaj cov khoom ua kom tawv nqaij, thaum vitamin B3 yog cov tshuaj uas muaj txiaj ntsig zoo rau kev ua kom dawb.Yog li Puas yog vitamin B3 tib yam li nicotinamide?Nicotinamide tsis zoo ib yam li vitamin b3, nws yog ib tug derivative ntawm vitamin b3 thiab yog ib tug substanc ...
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