Question

Calcium absorption is facilitated by the presence of
A) Vitamin D
B) Vitamin C
C) Vitamin A
D) Vitamin K

Answer 1

Calcium is actively absorbed from the small intestine in the presence of vitamin D. Calcium and phosphorus form hydroxyapatite crystals to mineralize and strengthen bones. Thus, a diet containing both optimal vitamin D and calcium is important for proper mineralization of bone.

so vitam d