In general, if your bone density is low and declining, I personally would consider having a blood test done to determine if the amount of vitamin D you are taking is enough.
Ngokuthe gabalala, xa ingxinano yamathambo akho isezantsi yaye isihla nangakumbi bendiza kucebisa ukuba utsalwe igazi lizoxilongwa ukufumanisa ukuba ivitamin D oyiselayo yanele kusini na.