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 raising this important blood test. Furthermore, preliminary work showed that enzymes in the liver and the final vitamin D receptors (VDR) in important ...

Vitamin D3 is more effective at raising and maintaining the vitamin D blood test (again, D2 binds less tightly to the vitamin D receptors in the body; therefore, D2 does not circulate as long in ...

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 ...

The NHS recommends that everyone (including pregnant and breastfeeding women) should consider taking a daily supplement ...

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

Some groups did even better, such as those with vitamin D deficiency or lower BMI ... advised that it is necessary to get a blood test prior to supplementing to see what your current vitamin ...

Participants were randomized into one of four groups, receiving either 200, 1000, 2000, or 4000 international units (IU) per day of Vitamin D3 supplementation. Blood levels of the markers of ...

it's advisable to consult a healthcare professional for a blood test. Vitamin D deficiency is typically addressed through supplements and adjustments to your diet and lifestyle. But besides ...

Some people also experience fatigue, aches and pains due to vitamin D deficiency. If you think you might have this deficiency, ask your doctor to order a blood test. They can help you determine ...