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2. Have You Been Taking Your Vitamin D the Right Way? - AOL

   www.aol.com/exact-time-vitamin-d-140000773.html

   Most of us — healthy adults between 19 and 70 — should try to consume 600-800 IUs, says Haggans (the recommended amounts are different for healthy people who are older or younger.) Tanja ...

3. Dietary Reference Intake - Wikipedia

   en.wikipedia.org/wiki/Dietary_Reference_Intake

   It was introduced in 1997 in order to broaden the existing guidelines known as Recommended Dietary Allowances (RDAs, see below). The DRI values differ from those used in nutrition labeling on food and dietary supplement products in the U.S. and Canada, which uses Reference Daily Intakes (RDIs) and Daily Values (%DV) which were based on outdated ...

4. Reference Daily Intake - Wikipedia

   en.wikipedia.org/wiki/Reference_Daily_Intake

   The recommended adequate intake of sodium is 1,500 milligrams (3.9 g salt) per day, and people over 50 need even less." [13] The Daily Value for potassium, 4,700 mg per day, was based on a study of men who were given 14.6 g of sodium chloride per day and treated with potassium supplements until the frequency of salt sensitivity was reduced to 20%.

5. Cholecalciferol - Wikipedia

   en.wikipedia.org/wiki/Cholecalciferol

   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 ...

6. Vitamin D may not prevent fractures or falls in older adults ...

   www.aol.com/vitamin-d-may-not-prevent-102300100.html

   Experts say that recommendations for vitamin D in older adults have changed over time with the publication of new studies. Vitamin D supplements with or without calcium, ...

7. Vitamin D - Wikipedia

   en.wikipedia.org/wiki/Vitamin_D

   The EFSA reviewed safe levels of intake in 2012, [158] setting the tolerable upper limit for adults at 100 μg/day (4000 IU), a similar conclusion as the IOM. The Swedish National Food Agency recommends a daily intake of 10 μg (400 IU) of vitamin D 3 for children and adults up to 75 years, and 20 μg (800 IU) for adults 75 and older. [166]