October 2002 Issue
Do Oxalates in Chocolate Negate the Calcium in Chocolate Milk?
Q. I enjoy chocolate milk, but Iíve heard that something in chocolate interferes with the bodyís absorption of calcium. Should I look elsewhere for my calcium? A. No, thatís not necessary. Chocolate does contain oxalic acid, a chemical infamous for binding with calcium, preventing calcium absorption. (Indeed, the fact that oxalates in the body bind with calcium explains why milk protects against kidney stones, by not letting oxalates roam free and precipitate into stones.)
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