Spinach provides less calcium than was thought.

Spinach provides less calcium than was thought Even the most uninitiated in the ways of good nutrition know that dairy products such as milk and cheese are the best sources of calcium in the diet. But many people don't like or cannot tolerate milk products, or they stay away from them because they want to avoid the saturated fat and relatively high number of calories many dairy foods contain. And in their search for other sources of that bone-building mineral, they may turn to spinach. With good reason, too, for as any chart of high-calcium foods will show, just a half cup of frozen spinach, once cooked, offers 139 milligrams of calcium, or 15 to 20 percent of the recommended …