Vitamin D 25-OH, Total D2, D3-Blood Spot Lab Test Kit
Vitamin D is technically considered a “prohormone” created mostly by the body through skin exposure to sunlight. D vitamins are involved in a number of processes including modulation of the immune system, insulin sensitivity, regulation of hormones and neurotransmitters, and calcium absorption for the skeletal system. Vitamin D may also play a protective role in conditions such as diabetes, heart disease, and some cancers.
What Is Measured?
Blood spot testing measures 25-hydroxyvitamin D, which is the best way to monitor vitamin D. D2 is found in fortified foods and D3 is produced in the body.
- Heart disease
- Immune disorders
- Fragile bone health
- Multiple Sclerosis
- Slow wound healing
Vitamin D Levels
Optimal levels of Vitamin D are between 40 and 80 ng/ml.