Hi sir, from ur question, for ur age there is little R no chance for osteoporosis, if ur family history is positive only by this age u can feel the symptoms of arthritis also but in ur case it's just a vibration as this can be bcos of ur knee strain u feel this vibration so don't worry just apply ice around ur knee which will give tremendous difference in ur pain or vibration. Same way taking
calcium R multi
vitamin R not advisable at this age, ur natural reservoir in ur body will start to work slow if ur taking calcium R multi vitamin means chk with blood test n if deficiency R reduced means with the concern of ur doc take the doses.