 [ Symptoms ] is my vitamin d of 36 to low i am 73  my dr said my vitamin d is a little low   and that is all he said about that [ Disease ] the usual reference range or normal range for vitamin d levels in the blood is 30 to 74 nanograms per milliliter so while your result falls within the normal range it is toward the low end did your doctor advise you take a vitamin d supplement or to take calcium with vitamin d added if not then he or she must feel you have nothing to be concerned about however if you have been told you have osteoporosis or osteopenia then you might consider using a calcium supplement that contains vitamin d vitamin d helps the body absorb the calcium better if you would like to get a bit more vitamin d in your system you can spend a little time in the sunshine every day how pleasant  drink milk fortified with vitamin d or eat more saltwater fish like cod or liver this article  are you getting enough vitamin d  might be helpful to you if your doctor was not concerned enough to address your vitamin d results i would not worry about it too much hope this helps your level of vitamin d is considered normal if it is between 30 100 according to my internist so while yours is normal you may consider taking a regular over the counter vitamin d mine was taken recently and my results were 17 very deficient 20 30 is considered low my doctor put me on 50 000 iu is once a week for 8 weeks and then 50 000 once every 2 weeks for another 8 weeks i have been having a terrible time with my gums puffing up and bleeding  i have always taken great care of my teeth and this is like a nightmare chipping of several teeth without knowing it hurting all over my body and joints and losing hair like crazy along with many other symptoms i am 51 by the way hope you find this somewhat helpful any questions just let me know and i will see if i can answer them