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

“In some countries, at-home vitamin D deficiency tests are available, but they require a finger prick blood sample. To determine vitamin D sufficiency status in a more convenient and less ...

Individuals use these testing kits to test for hormone imbalances, vitamin deficiencies, sexual health issues, and more. We thoroughly vet every at-home test before including it in our content.

Indeed, as nutritionist Thalia Pellegrini previously told Strong Women: “I always recommend doing a vitamin D test once or ...

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

The Vitamin D Blood Test (25-OH Vitamin D): Who, How, When, and Where Clinically speaking, things began to change in the 1970s when the blood test for vitamin D (known as the "25-OH vitamin D ...

Scientists are looking for volunteers to take part in a trial to see if taking vitamin D can give the immune system ... for six months if a finger-prick test shows they are deficient in the ...

The best way to determine your Vitamin D status is a simple blood test by your doctor. There also are tests you can do at home, and they can be accurate if you follow directions closely, especially ...

Testing for vitamin D levels can be expensive so very real questions remain about when to do this. It is probably not recommended to test universally but only in cases where there’s a suspicion ...

10 mcg = 400 IU. 15 mcg = 600 IU. 20 mcg = 800 IU. It is much easier to access the patient’s need after a vitamin D blood test. Few individuals would allow their clinician to simply guess an ...