Dear Dr. Roach: I'm a 68-year-old female who is in good health. I currently take vitamin D3. The only prescription that I'm on is rosuvastatin. It has been brought to my attention by my cousin, who is ...

Supplementing with vitamin D may support your longevity, according to one study. Researchers say that the vitamin slows the shortening of telomeres, the protective caps on the ends of chromosomes that ...

Taking vitamins D and K together may help strengthen your bones. Different forms of vitamins D and K are available, including pills, powder, liquid, and injections. It can be unsafe to take either ...