Calcium 钙
Recommendation: 1,000 milligrams a day.
Benefits: Bone health.
Sources: Dairy products; fish with bones; dark, leafy greens.

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Fiber 粗纤维
Recommendation: 25 grams a day.
Benefits: Protects against coronary heart disease and reduces the risk of diabetes.
Sources: Fruits, vegetables, legumes, nuts, seeds, whole grains.

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Magnesium 镁
Recommendation: 310 to 320 milligrams a day.
Benefits: Helps maintain normal muscle and nerve function and develop and maintain bones.
Sources: Nuts, seeds, bran, halibut and other fish.

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Potassium 钾
Recommendation: 4,700 milligrams a day.
Benefits: Helps maintain healthy blood pressure and reduce the effects of salt; may reduce the risk of recurrent kidney stones and possibly decrease bone loss.
Sources: Potatoes, tomato paste and puree, white beans, yogurt, soybeans, bananas.

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Vitamin A 维他命A
Recommendation: 2,310 international units a day.
Benefits: Important for vision, red blood cell production, embryonic development, and immune function.
Sources: Organ meats; orange vegetables; green, leafy vegetables.

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Vitamin C 维他命C
Recommendation: 75 milligrams a day.
Benefits: Acts as a disease-fighting antioxidant; may help to maintain a healthy immune system.
Sources: Fruits and vegetables, including citrus fruits, red and green peppers, kiwis, and guavas.

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Vitamin E 维他命E
Recommendation: 15 milligrams a day.
Benefits: Acts as a disease-fighting antioxidant; may support eye health.
Sources: Some ready-to-eat cereals, some oils, almonds, peanut butter.