What Vitamin D Dosage Is Best? - Healthline
2024年12月20日 · How much vitamin D do you need for optimal health? In the United States, current guidelines suggest that consuming 400–800 International Units (IU), or 10–20 micrograms (mcg), of vitamin D...
Vitamin D - Mayo Clinic
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. Research on vitamin D use for specific conditions shows: Cancer.
Vitamin D Dosage Guide For Adults, Children - GoodRx
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.
Patient education: Vitamin D deficiency (Beyond the Basics)
2023年5月16日 · Vitamin D is an oil-soluble vitamin that has several important functions in the body: It helps to absorb dietary calcium and phosphorus from the intestines. It suppresses the release of parathyroid hormone, a hormone that causes bone breakdown (resorption).
Vitamin D - Health Professional Fact Sheet - Office of Dietary ...
Vitamin D (also referred to as calciferol) is a fat-soluble vitamin that is naturally present in a few foods, added to others, and available as a dietary supplement. It is also produced endogenously when ultraviolet (UV) rays from sunlight strike the skin and trigger vitamin D synthesis.
Mayo Clinic Q and A: How much vitamin D do I need?
2017年4月25日 · 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. While there are no guidelines for checking your vitamin D blood level, it may be prudent in people with osteoporosis or certain other health conditions.
Vitamin D: How Much to Take Per Day and Max Dose - GoodRx
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 …
Vitamin D Dosing: Basic Principles and a Brief Algorithm (2021 …
D doses up to 10,000 IU/d are considered safe for the vast majority of patients . In patients with or at high risk of hypercalcemia, such as those with granulomatous disease, Vit. D dose should be adjusted individually by routine monitoring of calcemia, calciuria, 25OH-D, parathormone, and 1,25-dihydroxy-vitamin D levels . For those patients ...
In the past it was advocated that a single large dose (300,000 IU or higher) of vitamin D (stoss therapy) might lead to sustained correction of vitamin D deficiency and potentially avoid adherence problems with regular lower dose supplementation.
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. If you are overweight or have obesity, taking vitamin D at doses above 20 mcg (800 IU) per day plus calcium might actually raise your blood pressure.