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What are the current recommended levels for vitamin D and calcium?

Dr. Jeanne Morrison, PhD
Family Practitioner

Recommended levels for vitamin D and calcium are age dependent. Vitamin D is hard to find in most foods.

To prevent rickets, infants up to 1 year old should receive 400 international units of vitamin D. Infant formula can contain between 40 and 100 international units (IU) of vitamin D per serving.

Children and adults under 70 should receive 600 IU of vitamin D a day. Adults over 70 should received 800 IU of vitamin D per day to help prevent osteomalacia. Milk in the United States is usually fortified with 100 IU of vitamin D per serving.

Calcium, however, can be found in many foods, as well as supplements. Infants under 6 months old need 200 mg of calcium per day; infants up to a year old should get 260 mg. Children aged 1 to 3 should receive 700 mg per day. Children from 4 to 8 years old should get 1,000 mg daily. Adolescents aged 9 to 18 should receive 1,300 mg of calcium. Adults from 19 years old to 70 years old should take 1,000 mg of calcium, but women over 50 should up their dose to 1,200 mg. All adults over 70 should take 1,200 mg a day.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.