In patients with rickets, the range between therapeutic and toxic doses is narrow in vitamin D–resistant patients; adjust dose based on clinical response to avoid toxicity. Vitamin D as Nutritional Supplementation Recommended daily allowance(RDA) 19-70 years: 600 IU (15 mcg)/day Pregnant or la...
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Children: Vitamin D is likely safe in children when taken by mouth in recommended amounts. But it is possibly unsafe to take vitamin D in higher doses, long-term. Infants from 0-6 months should not take more than 1000 IU (25 mcg) daily. Infants aged 6-12 months should not take more...
000 iu have been used for up to 12 months. also, special forms of vitamin d have been used. for instance, 0.25-0.5 mcg/day of dihydroxycholecalciferol, 0.25-1 mcg/day of alfacalcidol, and 0.43-1.0 mcg/day of calcitriol have been used for up to 36 months. for preventing bone loss ...
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Elderly: A study conducted to establish the vitamin D requirements in adults 64 years of age and older during the winter determined a recommended dose between 7.9 and 42.8 mcg daily to maintain a serum 25(OH)D level of 25 ng/mL; an evidence-based review recommends 800 to 1,000 units/day...
The Dutch Health Council advises a standard daily vitamin D supplementation of 800 IU (20 mcg) for persons aged ≥ 70 years, with a target 25(OH)D serum concentration of ≥ 50 nmol/l. This recommendation is in line with advice from the Institute of Medic
Other experts suggest we need even more vitamin D. For example, the Endocrine Society recommends up to 1,500 to 2,000 IU of vitamin D daily for adults. Age GroupVitamin D RDA 0-12 months10 mcg/400 IU 1-70 years15 mcg/600 IU ...
Acquisition, analysis, or interpretation of data: Sevransky, Rothman, Hager, Bernard, Brown, Busse, Coopersmith, DeWilde, Ely, Eyzaguirre, Fowler, Gaieski, Gong, Hall, Hinson, Hooper, Kelen, Khan, Levine, Lewis, Lindsell, Marlin, McGlothlin, Moore, Nugent, Nwosu, Polito, Rice, Ricketts, ...
What are the recommendations for total daily vitamin D intake (foods and/or supplements)? Recommended intakes are based on bone health.37 The Bone Health & Osteoporosis Foundation recommends vitamin D 400 IU (10 mcg) to 800 IU (20 mcg) daily for adults <50 years of age, and 800 IU (20...