Vitamin D - Mayo Clinic
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
2023年3月14日 · Though more research is needed, it seems that consuming 1,000–4,000 IU (25–100 mcg) of vitamin D daily should be ideal for most people to reach healthy vitamin D blood levels .
Mayo Clinic Q and A: How much vitamin D do I need?
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 of vitamin D, and may have additional health benefits.
How Much Vitamin D Should You Take For Optimal Health?
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 by measuring ...
Vitamin D Dosing: Basic Principles and a Brief Algorithm (2021 …
If low vitamin D status is confirmed, an appropriate, large enough vitamin D dose must be suggested for supplementation, and the next check of serum 25-hydroxy-vitamin D levels should be advised after the treatment in order to evaluate treatment results and choose the right tactic regarding further supplementation.
Vitamin D - Health Professional Fact Sheet - Office of Dietary ...
All adults should consume recommended amounts of vitamin D and calcium from foods and supplements if needed. Older women and men should consult their health care providers about their needs for both nutrients as part of an overall plan to maintain bone health and to prevent or treat osteoporosis. Cancer
How much vitamin D do you need? - Harvard Health
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.
Vitamin D for the Prevention of Disease | Endocrine Society
2024年6月3日 · Empiric vitamin D may include daily intake of fortified foods, prenatal vitamin formulations that contain vitamin D, and/or a vitamin D supplement (pills or drops). In the clinical trials included in the SR, the vitamin D doses ranged from 600 to 5000 IU (15 -125 μg) daily equivalent, usually provided daily or weekly.
Vitamin D recommendations | International Osteoporosis …
In children and adults, exposure of the hands, face and arms to the sun for 10 to 15 minutes per day is usually sufficient for most individuals. However, how much vitamin D is produced from sunlight depends on the time of day, geographic latitude, the colour of the skin, the age and use of sunscreen, among other variables.
Vitamin D - NHS
Children from the age of 1 year and adults need 10 micrograms (mcg) of vitamin D a day. This includes pregnant and breastfeeding women, and people at risk of vitamin D deficiency. Babies up to the age of 1 year need 8.5 to 10 micrograms of vitamin D a day. A microgram (mcg) is 1,000 times smaller than a milligram (mg).