?????? A ?-?????? ????? ??????? ????, ?? ?? combined ?????? ??? ?????? ????? ?????? ?????? ??????. ???? ????? ?-????? ?? ???????? ???, ???? ????? ????? ???? ???? ?? ???????? ??? ???. click here ??? ?????? A ???? ?????? ????? ?? ??????, ??????, ??????? ?????? (B3) ??? ???? ?????? ?? ??????, ?-??????} ??? ?-???. ?????? ?? ???????? A ?- niacin