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Modest Calcium Restriction Guidelines

Your recent 24-hour urine collection revealed high levels of calcium.  As the primary constituent of most urinary stones, calcium has long been heralded as one of the main risk factors for stone formation.  Therefore, we recommend that you moderate your dietary calcium intake in order to prevent future stone formation.  Specifically, you should limit your dietary calcium to 800 to 1200 mg each day.
Comparison of Calcium Content in Select Foods:


Food

Common measure

Calcium content
Per measure (mg)

Cereals ready-to-eat

¾ cup

1104

Plain yogurt, skim milk

8-ounce container

452

Taco

1 large

339

Canned sardines

3 ounces

325

1% milk

1 cup

290

Turnip greens

1 cup

249

Cheddar cheese

1 ounce

204

Cheeseburger

1

141

Frozen pizza

1 serving

120

Onion rings

8 – 9 rings

73

American cheese

2 ounces

348

Orange juice with added calcium

1 cup

300

Soy beverage with added calcium

1 cup

250 – 300

Tofu

½ cup

204

Macaroni and cheese

½ cup

180

English muffin

1

175

Kale

½ cup

90

Ice cream

½ cup

84

Cottage cheese, 1% fat

½ cup

69

Canned baked beans

1 cup

127

Frozen yogurt, soft serve

½ cup

103

Canned tomatoes

1 cup

87

Cooked broccoli

1 cup

62

Revised 10/8/2010 JMH