There are many calcium-fortified foods available such as orange juice, cereals, and breads. The best source of calcium is milk fortified with vitamin D. In addition to these more familiar sources, there are a number of other foods which contain measurable calcium.

3 ounces sardines = 370 mg calcium
1 cup raw rhubarb = 266 mg
3 ounces canned = salmon 210 mg
1/2 cup cooked collards = 179 mg
1 tbsp. blackstrap molasses = 172 mg
1 cup broccoli = 170 mg
1/2 cup cooked soy beans = 88 mg
1 ounce whole almonds = 79 mg
1 egg = 55 mg
1 medium orange = 52 mg