- 1-3 years old: 700 mg
- 4-8 years old: 1,000 mg
- 9-18 years old: 1,300 mg
- 0-12 months old: 400 IU
- 1-18 years old: 600 IU
Vitamin D: Although our bodies can make vitamin D after skin is exposed to sunlight, most people now limit sun exposure. Vitamin D is naturally present in very few foods; it is added to many, though, and is also available as a dietary supplement. The most common natural and fortified sources of vitamin D include some fatty fish such as tuna and salmon; most milk; and many types of orange juice, yogurt, cheeses, breakfast cereals, breads and soy drinks. Most milk is fortified with 100 IU of vitamin D in an 8-ounce serving.
Vitamin D: The safest and most economical way to ensure adequate vitamin D status is to use oral dosing of native vitamin D3, cholecalciferol. (Both daily and intermittent regimens work well. [Russo: 2011]) Serum 25(OH)D can be expected to rise by about 1 ng/mL (2.5 nmol/L) for every 100 IU of additional vitamin D each day. [Heaney: 2008]
Vitamin D: Fact Sheet for Health Professionals (NIH)
Cites guidelines and contains information about natural sources of vitamin D, its potential interactions with medications, what constitutes excessive amounts, and who is at risk for deficiencies; National Institutes of Health.
Calcium: Fact Sheet for Health Professionals (NIH)
Cites guidelines and contains information about natural sources of calcium, its potential interactions with medications, what constitutes excessive amounts, and who is at risk for deficiencies; National Institutes of Health.
|Author:||Rachel Richins, MS, RD, CD - 8/2011|
|Compiled and edited by:||Lynne M Kerr, MD, PhD - 12/2013|
|Content Last Updated:||11/2015|
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