Originally Posted by
CliftonGK1
If you make the assumption that competitive cyclists are eating more protein to maintain their muscles, then calcium would be leeched for use in excess protein removal in the kidneys.
I have a brother that works with some nutritionists at a university. This stuff gets complicated, -at least to me. For example, I believe he told me that combing iron and calcium supplements together causes problems because one blocks the absorption of the other.