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How much vitamin D do you need per day? ... Older adults (over 70 years): 20 mcg or 800 IU. ... inadequate vitamin D intake can lead to a vitamin D deficiency, which can cause bone pain, muscle ...
In the United States and Canada as of 2016, the amount of vitamin D recommended is 400 IU per day for children, 600 IU/d for adults up to age 70, and 800 IU/d for people over age 70.
Doses greater than 40 000 IU (1000 μg) per day are generally required before high blood calcium occurs. [12] Normal doses, 800–2000 IU per day, are safe in pregnancy. [5] Cholecalciferol was first described in 1936. [13] It is on the World Health Organization's List of Essential Medicines. [14]
Here’s how much you need each day. ... Clinic, some of the top symptoms of vitamin D deficiency in adults are ... adults up to age 70 is 600 IU and 800 IU for adults over 70, ...
In contrast, some non-government authors have proposed a safe upper intake level of 250 μg (10,000 IU) per day in healthy adults. [69] [70] In part, this is based on the observation that endogenous skin production with full body exposure to sunlight or use of tanning beds is comparable to taking an oral dose between 250 μg and 625 μg (10,000 ...
The recommended daily allowance of vitamin D is 600 international units (IU) for people ages 1 to 70 and 800 IU for adults over 70. “However, your doctor may recommend a higher dose if you have ...
The recommended dietary allowance is 15 μg/d (600 IU per day; 800 IU for those over 70 years). Overdose has been observed at 1,925 μg/d (77,000 IU per day). [citation needed] Acute overdose requires between 15,000 μg/d (600,000 IU per day) and 42,000 μg/d (1,680,000 IU per day) over a period of several days to months.
Vitamin D3, aka cholecalciferol, is important for bone health and immune function. Experts discuss benefits, sources, risks and who needs a supplement. How to get the most out of vitamin D3
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