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

2019年1月31日 · While some people argue for much higher levels, the IOM report concluded that vitamin D blood levels above 20 ng/ml are adequate for maintaining healthy bones, and that most people in the United States have values in that range.

2024年12月20日 · In the United States, current guidelines suggest that consuming 400–800 International Units (IU), or 10–20 micrograms (mcg), of vitamin D should meet the needs of …

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 adults’ vitamin D needs are much higher.

Vitamin D Intakes and Status. Most people in the United States consume less than recommended amounts of vitamin D.

2025年1月14日 · According to the National Institutes of Health Office of Dietary Supplements, the average recommended daily intake of vitamin D for most adults, children, and teens is 600 IU, and 400 IU for children 12 months and under. Breastfeeding or chestfeeding people (both teens and adults) need at least 600 IU of vitamin D a day, while adults 71 and ...

Vitamin D is important for a healthy heart and blood vessels and for normal blood pressure. Some studies show that vitamin D supplements might help reduce blood cholesterol levels and high blood pressure—two of the main risk factors for heart disease. Other studies show no benefits.

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.

2024年6月6日 · New Vitamin D Guidelines Are Here—This Is Who May Benefit Most from Vitamin D Supplements. Learn what the newest 2024 recommendations are for vitamin D intake and screening, based on research by the Endocrine Society.

2024年6月3日 · Healthy adults under the age of 75 are unlikely to benefit from taking more than the daily intake of vitamin D recommended by the Institutes of Medicine (IOM) and do not require testing for vitamin D levels, according to a new Clinical Practice Guideline issued today by the Endocrine Society.