from therealfoodchannel.com: Real food is your best source of calcium. For many years we've been sold the lie that we need mega-doses of calcium for strong bones. Foods such as orange juice have been supplemented with types of calcium that the body can't absorb. And now there is evidence linking calcium supplements to heart attacks. In this video, Dr. John Douillard talks about the problems associated with many calcium supplements. Food-based sources of calcium are what the body needs. Some of the best sources are:
~ leafy green vegetables such as turnip greens, bok choy, kale, collard greens, and spinach.
~ sea vegetables
~ sesame seeds
~ nuts such as almonds, hazlenuts, and walnuts