I understood it to mean that high fat with calcium causes soap. Not high levels of calcium with fat.... Which is it? Oliva ----- Original Message ----- From: "Todd Moody" <[log in to unmask]> > "Dietary fat decreases calcium absorption through the formation of soaps. > Soaps are formed due to the combination of fatty acids and calcium. it seems that the quantities of calcium would have to be rather large, but I've never seen a source that indicates the quantities involved.