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

New research finds that taking a daily vitamin D supplement may help lower blood pressure, especially for older adults with ...

Vitamin D, also known as the "sunshine vitamin," does much more than strengthen bones; it can support the immune system, lift ...

The A1C level test can give false or inaccurate results in some people. Doctors say your A1C level can be falsely elevated ...

Sufferers often have few symptoms but too little can affect day to day life and can be serious for long-term health ...

Vitamin C supports our immune systems, helps our bodies heal wounds, protects our joints and contributes to collagen ...

By staying alert to skin symptoms and knowing what to look for you can take the first steps toward addressing a potential ...

Regular blood tests can also help monitor vitamin B9 levels and ensure that any deficiencies are promptly addressed through ...

Besides back pain, being deficient in the vitamin may also lead to other symptoms such as tiredness, increased susceptibility to illness, feelings of anxiety and delayed healing of wounds ...

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

Make sure you do not consume more than the recommended daily dose of 500 milligrams. High levels of vitamin C can interfere ...