Total 25OH Vitamin D ELISA (BIOHIT)

Understanding 25OH Vitamin D

Vitamin D is crucial for health, available in two forms: D2 (ergocalciferol) and D3 (cholecalciferol), both naturally present in some foods and added to others. These forms are essential for the body’s ability to absorb calcium and phosphorus, which are vital for bone strength. The 25OH vitamin D test is the best method to assess overall vitamin D status in the blood, reflecting both vitamin D2 and vitamin D3 levels.

Maintaining appropriate 25OH vitamin D levels is critical, as deficiency can lead to bone diseases and vitamin D insufficiency. On the other hand, excessive intake of vitamin D supplements can cause kidney and tissue damage. The test also aids in managing conditions like celiac disease, where nutrient absorption is impaired, making absorbing vitamin D challenging.

The reference ranges for 25-hydroxy vitamin D levels are typically used to evaluate results, with a level of 50 nmol/L often considered the threshold for sufficiency. Patients at high risk of deficiency, such as those with limited sun exposure or certain medical conditions, may require more frequent monitoring and potentially vitamin D supplements to maintain adequate levels.

Emerging research highlights vitamin D’s broader role in cell growth, immune function, cognitive health, and its potential implications in chronic diseases such as cancer and diabetes, as well as pregnancy outcomes. This makes understanding and monitoring 25OH vitamin D levels even more critical in comprehensive health care.