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 .
Vitamin D - Mayo Clinic
网页2023年8月10日 · Taking a multivitamin with vitamin D may help improve bone health. 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.
How Much Vitamin D Should You Take For Optimal Health?
网页2023年6月23日 · What dose of vitamin D3 supplements do I need? If you’re taking supplements, how much you need to take will depend on your individual requirements. A doctor can advise you on this.
Vitamin D Dosage Guide For Adults, Children - GoodRx
网页2023年10月2日 · The recommended OTC vitamin D dosage for most adults with low vitamin D levels is 2,000 IU daily. Higher doses may be needed if your vitamin D levels are very low. But dosages over 4,000 IU daily aren’t recommended without a provider’s OK.
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: 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.
15 Vitamin D3 Benefits and Best Uses for Your Health
网页2024年8月15日 · The National Academy of Medicine recommends a daily intake of 600 IU of vitamin D for people ages one to 70, and 800 IU for adults ages 71 and over. The majority of vitamin D intake should come from food. The maximum safe dose of vitamin D3 is 4,000 IU per day. Do not exceed this amount without consulting a healthcare provider.
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.
Vitamin D - Health Professional Fact Sheet - Office of Dietary ...
网页Vitamin D overview for health professionals. Research health effects, dosing, sources, deficiency symptoms, side effects, and interactions here.
How much vitamin D do you need? - Harvard Health
网页2019年1月31日 · 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. The IOM also raised the safe upper limit of daily intake for most age groups from 2,000 to 4,000 IU.
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