What Vitamin D Dosage Is Best? - Healthline
网页2023年3月14日 · Although 4,000 IU (100 mcg) is set as the maximum amount of vitamin D you can take safely, several studies have shown that taking up to 10,000 IU (250 mcg) daily is not more likely to cause...
Vitamin D - Mayo Clinic
网页2023年8月10日 · The recommended daily amount of vitamin D is 400 international units (IU) for children up to age 12 months, 600 IU for people ages 1 to 70 years, and 800 IU for people over 70 years. What the research says
Vitamin D: How Much to Take Per Day and Max Dose - GoodRx
网页2024年4月5日 · According to most medical experts, the recommended dietary allowance (RDA) of vitamin D for adults up to age 70 is 600 IU. But the FDA recommends 20 mcg per day, or 800 IU (1 mcg vitamin D is equal to 40 IU). The best way to get your daily vitamin D is through exposure to sunlight.
How Much Vitamin D Should You Take For Optimal Health?
网页2023年6月23日 · Males and females need the same amount of vitamin D, around 15 mcg (600 IU) daily. However, it can be hard to know how much your body is taking in or creating, as both food and sunlight...
How Much Vitamin D Is Too Much? The Surprising Truth - Healthline
网页2023年6月5日 · A daily vitamin D intake of 600 international units (IU), or 15 micrograms (mcg), should be enough to ensure optimal blood levels for most people. People over age 70 should consume 800 IU (20...
Vitamin D Dosing: Basic Principles and a Brief Algorithm (2021 …
网页2021年12月10日 · Therefore, such patients could be advised to start taking moderate vitamin D doses (e.g., 4000 IU/day for adults), and their 25-OH-D levels could be checked later. The proposed algorithm also comprises vitamin D dosing principles when baseline 25OH-D levels are known.
How much vitamin D do you need? - Harvard Health
网页2019年1月31日 · Based on the evidence for bone benefits, however, the IOM panel increased the RDA for vitamin D to 600 IU for people up to age 70 and to 800 IU for those over 70. That's a fairly sizable boost over the previous recommendations of 200 IU per day through age 50, 400 IU for ages 51 to 70, and 600 IU for ages over 70.
Mayo Clinic Q and A: How much vitamin D do I need?
网页2017年4月25日 · The Institute of Medicine has placed the recommended dietary allowance, or RDA, for vitamin D at 600 international units (IU) per day for young adults and 800 IU per day for adults older than 70. Other experts suggest that …
Vitamin D - Health Professional Fact Sheet - Office of Dietary ...
网页An analysis of data from the 2015–2016 National Health and Nutrition Examination Survey (NHANES) found that average daily vitamin D intakes from foods and beverages were 5.1 mcg (204 IU) in men, 4.2 mcg (168 IU) in women, …
Taking too much vitamin D can cloud its benefits and create …
网页2022年4月7日 · Researchers looking at national survey data gathered between 1999 and 2014 found a 2.8% uptick in the number of people taking potentially unsafe amounts of vitamin D — that is, more than 4,000 international units (IU) per day, according to a research letter published in the June 20 issue of The Journal of …
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