It is important to understand where to find calcium in food, but there are a variety of factors that can interfere with the absorption of even the best sources of calcium. which of these statements describe ways calcium bioavailability or absorption may be reduced?

a. consuming large amounts of calcium at one time.
b. consuming calcium-rich foods, spread between several meals and snacks throughout the day.
c. choosing calcium sources high in oxalates, like spinach.
d. consuming vitamin d with calcium-containing food.
e. consuming high-phytate foods separately from calcium sources.