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Calcium and Bone Health


Calcium in the Body

Almost all of the calcium in the body is in the bones. There is a tiny amount in the blood stream which is responsible for important functions such as muscle contraction, maintenance of the heart beat, and transmission of nerve impulses.


How Much Calcium Do I Need?
Optimizing Calcium Intake
Dairy Sources of Calcium
Calcium in Foods
High Calcium Menus

photo of dairy products

We constantly lose calcium from our blood through urine, sweat, and feces. It is renewed with calcium from bone. To maintain bone calcium, we must get this mineral from our diet.

How Much Calcium do I Need? | top

Although specific dietary needs may differ for certain age groups, getting enough calcium is always important. Be cause calcium needs are greatest between the ages of 11 and 24 to meet the demands of rapid growth, adolescents and young adults need between 1,000 and 1,300 mg of calcium each day.

Optimizing Calcium Intake | top

A number of factors may affect how well calcium is used for building bones:

Diets that are high in protein cause more calcium to be lost through the urine.
Caffeine and sodium increase the rate at which calcium is excreted.
Alcohol and smoking inhibit calcium absorption.
Exercise slows bone loss and is one of the most important factors in maintaining bone health.

Dairy Sources of Calcium


FOOD AMOUNT CALCIUM (MG)
Milk 1 cup 300
Cheese 1 ounce 200
Plain Yogurt 1 cup 400
Ice Cream 1 cup 175
Cottage Cheese 1 cup 12

Calcium in Foods | top

This list gives the amount of calcium from some excellent plant sources.

SOURCE AVERAGE SERVING CALCIUM (MG)
GRAINS
Rice, Brown 1 cup cooked 23
Corn Bread 2 oz. Piece 133
Corn tortilla 1 42
English muffin 1 92
Pancake mix, 1/4 cup 3 cakes (Aunt Jemima) 40
Pita Bread 1 piece 31
Wheat Bread 1 slice 30
LEGUMES
Chickpeas, canned 1 cup 78
Great Northern beans, boiled 1 cup 121
Green beans, boiled 1 cup 50
Kidney beans, boiled 1 cup 50
Lentils, boiled 1 cup 50
Lima beans, boiled 1 cup 52
Navy beans, boiled 1 cup 128
Green peas, boiled 1 cup 44
Soybeans, boiled 1 cup 175
Wax beans, canned 1 cup 174
Pinto beans, boiled 1 cup 82
Black Turtle beans, boiled 1 cup 103
Tofu, raw, firm 1/2 cup 125
White beans, boiled 1 cup 161
Vegetarian baked beans 1 cup 128
FRUITS
Dried figs 10 figs (187 grams) 269
Naval orange, medium 1 56
Raisins 2/3 cup 53
Calcium-fortified orange juice 8 oz. 300*
VEGETABLES
Broccoli (boiled) 1 cup 178
Brussels Sprouts (boiled) 1 cup, 8 sprouts 56
Carrots, raw, medium 2 38
Celery, boiled 1 cup 54
Collards, boiled 1 cup 148
Kale, boiled 1 cup 94
Onions, boiled 1 cup 58
Potato, baked 1 20
Romaine lettuce 1 cup 20
Butternut squash 1 cup 84
Sweet potato, boiled 1 cup 70
Cauliflower, boiled 1 cup 34

High Calcium Menus | top

These sample menus each provide close to 1,000 mg calcium.

SAMPLE MENU #1 SAMPLE MENU #2
Breakfast
1 cup oatmeal with cinnamon and raisins and
1/2 cup fortified soy milk
1 slice whole wheat toast with
1 Tbsp almond butter
1/2 grapefruit
3 oatmeal pancakes spread with applesauce
Calcium –fortified orange juice
Fresh Fruit
Lunch
Whole wheat pita bread stuffed with hummus
fresh lettuce and tomato
Carrot sticks
Bean Burritos using black beans in corn tortillas
Topped with chopped lettuce, tomatoes, and salsa
Spinach salad with tahini-lemon dressing
Dinner
1 cup baked beans with blackstrap molasses
Baked sweet potato
1 cup steamed collard greens
Baked apple
Chinese stir-fry over brown rice: tofu chunks,
Broccoli, pea pods, water chestnuts,
And Chinese cabbage (bok choy)
Cantaloupe chunks drizzled with fresh lime juice
Snack
Banana-soy milk shake Dried Figs