The classic roles
- enhancing intestinal absorption of calcium, magnesium, and phosphate
- calcium regulation and bone health maintenance
The non-classic roles - immunomodulatory effect
- cardiovascular health
- improvement of insulin function
- regulation of blood pressure
- anticancer effect
From
Vitamin D participates in immune regulation, apoptosis induction, insulin secretion, inflammation, cell differentiation, calcium balance and regulation, bone mineralization, and phosphorus homeostasis
from https://doi.org/10.3390/dietetics3040040 Dec 2024