Vitamin D3 Dose Requirement That Raises 25-Hydroxyvitamin D to Desirable Level in Overweight and Obese Elderly.
Dania S BachaMaya RahmeLaila Al-ShaarRafic BaddouraGeorges HalabyRavinder J SinghZiyad R MahfoudRobert HabibAsma ArabiGhada El-Hajj FuleihanPublished in: The Journal of clinical endocrinology and metabolism (2021)
The IOM Recommended Dietary Allowance (RDA) of 600 IU/day does not bring 97.5% of ambulatory elderly individuals above the desirable threshold of 20 ng/mL. Country-specific RDAs are best derived taking into account the observed variability and predictors of achieved 25(OH)D levels.