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
What Vitamin D Dosage Is Best? - Healthline
网页2023年3月14日 · According to one older review, many experts agree that at least 1,000 IU (25 mcg) of vitamin D3 daily is needed in situations where there is no exposure to sunlight .
How Much Vitamin D Should You Take For Optimal Health?
网页2023年6月23日 · Vitamin D recommended intake is 400–800 IU/day or 10–20 micrograms, depending on your age. What are the optimal blood levels of vitamin D? Doctors assess blood levels of vitamin D...
Mayo Clinic Q and A: How much vitamin D do I need?
网页2017年4月25日 · Mayo Clinic recommends that adults get at least the RDA of 600 IU. However, 1,000 to 2,000 IU per day of vitamin D from a supplement is generally safe, should help people achieve an adequate blood level …
Vitamin D Dosage Guide For Adults, Children - GoodRx
网页2023年10月2日 · The typical dosage for adults with low vitamin D levels is 1 capsule once weekly. Higher or more frequent doses may be recommended if you have certain health conditions. Most adults with low vitamin D levels should take 2,000 IU of OTC vitamin D daily. Doses over 4,000 IU daily aren’t recommended without a provider’s OK.
Vitamin D - Health Professional Fact Sheet
网页The results of this analysis showed that 0.5 mcg (20 IU) to 214 mcg (8,570 IU)/day vitamin D supplementation (mean of 2,795 IU) for 6 weeks to 3 years reduced serum total cholesterol, low-density lipoprotein cholesterol, and triglyceride levels, but not high-density lipoprotein cholesterol levels [129].
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.
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