Vitamin D
Vitamin
Type:
Essential for bone metabolism, muscle strength, immune support, and regulating calcium absorption and incorporation into bones.
Primary Function:
<25 nmol/L : High lack
25 - 49 nmol/L : Lack
50-74 nmol/L : Adequate
75 - 150 nmol/L : Optimal
>220 nmol/L : Toxic
25-220 nmol/L
Normal Values:
Pathological Values:
Symptoms/Pathology in Deficiency:
Bone pain, muscle weakness
Symptoms/Pathology in Increase:
Hypercalcemia, kidney damage
Dietary Sources:
Known as the "sun vitamin," it requires UV rays for activation in the body, with only 10 to 20 percent of Vitamin D coming from food sources: fish, fortified dairy products
