25 Dihydroxy Vitamin D
Produced by: Skin Definition / Purpose: Is responsible for increasing intestinal absorption of calcium, iron, magnesium, phosphate and zinc. Lab Reference Range: 30 – 100 nmol/liter When to order:
Half-life: 15 days. Always test Vitamin D levels if you have Hashimoto’s or Graves’ Disease. Very few foods contain Vitamin D. It is not strictly a vitamin and may be considered a hormone. |