Vitamin D (25-OH)
- Nutrients
- Bone health
- Immune regulation
Learn what Vitamin D (25-OH) measures and how it fits into your health data.
What is Vitamin D (25-OH)?
25-Hydroxy Vitamin D [25(OH)D] is the primary circulating form of vitamin D and the best measure of overall vitamin D status. Vitamin D is crucial for calcium absorption, bone health, immune function, and cellular regulation. Deficiency is widespread and linked to various health issues.
Testing options
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