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If you are 70 years and older, your daily dose should be closer to 800 IU, notes Gans. ... Extra Strength Vitamin D3 5000 IU. Shop Now. Extra Strength Vitamin D3 5000 IU. amazon.com. $12.74 ...
The Institute of Medicine in 2010 recommended a maximum uptake of vitamin D of 4000 IU/d, finding that the dose for lowest observed adverse effect level is 40,000 IU daily for at least 12 weeks, [25] and that there was a single case of toxicity above 10 000 IU after more than seven years of daily intake; this case of toxicity occurred in ...
Ish-Shalom et al. [69] performed a study in elderly women to compare the efficacy and safety of a daily dose of 1500 IU to a weekly dose of 10 500 IU and to a dose of 45 000 IU given every 28 days for two months. They concluded that supplementation with vitamin D can be equally achieved with daily, weekly, or monthly dosing frequencies.
(For healthy people between 12 months and 70 years of age the recommended daily dose is 600 IU, but Dr. Manson’s research indicates that it is safe to take 1000-2000 IU a day “as a type of ...
While some studies have found that vitamin D 3 raises 25(OH)D blood levels faster and remains active in the body longer, [43] [44] others contend that vitamin D 2 sources are equally bioavailable and effective for raising and sustaining 25(OH)D. [45] [46] If digestive disorders compromise absorption, then intramuscular injection of up to ...
Proponents of the vitamin D hypothesis have recommended dietary supplements (5,000 International Units (IU)/day for adults and 1,000 IU/day for every 25 pounds of body weight in children) and suggested that larger doses (2,000 IU/kg/day for 3–4 days) could be used to treat influenza.
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