Medically reviewed by Soma Mandal, MD A vitamin D test is a blood test that measures the level of vitamin D (calciferol) in ...

Vitamin D3 seemed more effective than D2 at ... Fasting is not necessary to obtain a vitamin D level; however, getting blood tests at the same time makes sense, reducing the burden of time on ...

Peeing more than usual and feeling more thirsty are symptoms of too much vitamin D. Learn why overdosing on vitamin D is ...

Historically, 400 IU (10 ug) of vitamin D was recommended for better health because it closely approximated the amount of vitamin D in a teaspoonful of cod liver oil. However, 800 to 1,000 IU is ...

Can vitamin D supplements prevent heart disease? A new study finds no impact on cardiac health in older adults, even with ...

The Central Drug Regulatory Authority has found samples of four drugs, including widely used calcium supplement Shelcal 500 and Pan D, as spurious, while samples of 49 drugs were listed as not of ...