No they don't. Fruits,Vegetables don't have calcium such as beans,apples,carrots.
No. Apples contain 100% apple.
Sodium chloride doesn't contain calcium. Calcium chloride contain calcium.
Sodium chloride doesn't contain calcium. Calcium chloride contain calcium.
Calculus is a branch of mathematics and therefore does not contain calcium.
No, calcium does not contain iron. Calcium is a separate mineral from iron and they have different chemical compositions.
Calcium.
No. Protein does not contain calcium.
ZERO - Calcium Chloride is CaCl2 and thus does not contain carbon. In like manner Carbon is C and does not contain calcium chloride.
Yes, apples contain vitamins: A, C, B, K.
Apples do not have any fat in them and not enough protein for proper nutrition. If you ate only apples, after a while you would develop severe malnutrition.
Yes all living things contain calcium
A calcium supplement will not usually contain calories. Getting calcium from something like milk or cheese will have calories, though.