Active Vitamin D (Calcitriol)
Calcitriol is a hormone also known as active vitamin D. It helps increase blood calcium levels: it increases the amount of calcium the gut can absorb from food, which the body then releases into the bloodstream, and it prevents calcium loss from the kidneys. Parathyroid hormone stimulates the enzyme that transforms vitamin D into calcitriol. Calcitriol and calcitonin both affect calcium levels but have opposite functions — calcitriol increases blood calcium, calcitonin decreases it.
Source · Cleveland Clinic — what it is
What is Active Vitamin D (Calcitriol)?
Calcitriol is a hormone also known as active vitamin D. It helps increase blood calcium levels: it increases the amount of calcium the gut can absorb from food, which the body then releases into the bloodstream, and it prevents calcium loss from the kidneys. Parathyroid hormone stimulates the enzyme that transforms vitamin D into calcitriol. Calcitriol and calcitonin both affect calcium levels but have opposite functions — calcitriol increases blood calcium, calcitonin decreases it.
What is the typical reference range for Active Vitamin D (Calcitriol)?
The general-population reference range shown here is 48 – 190 pmol/L. Reference ranges describe the general population and are not a personal target — discuss your results with your physician.
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