Is 400 IU of vitamin D safe?
“What we can see in this study is that large doses of vitamin D don’t come with a benefit to the skeleton,” says Dr. Emma Billington, MD, one of the authors of the study. “For healthy adults, 400 IU daily is a reasonable dose. Doses of 4,000 IU or higher are not recommended for the majority of individuals.”
Can I take 600 IU vitamin D?
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.
Is 1000 IU of vitamin D enough?
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.
What does “IU” mean on a vitamin D label?
IU stands for International Units – it’s the measurement for used for vitamins among other things (kind of like mg = milligrams). D3 is the form of vitamin D which is in your pill.
Is 4000 IU of vitamin D unhealthy?
According to the Institute of Medicine, 4000 IU is the safe upper level of daily vitamin D intake. However, doses up to 10,000 IU have not been shown to cause toxicity in healthy individuals (10, 15
Is 400 IU of vitamin E too much?
It is unlikely that taking 400 IU of vitamin E a day through supplementation would cause adverse side effects, but it is possible. Excessive amounts of vitamin E may interrupt blood coagulation and may cause excessive bleeding. Getting too much may also prevent blood platelets from aggregating.
What does IU measure in vitamins?
The IU is an International Unit , usually used to measure fat soluble vitamins including Vitamin A , D and E. The conversion of IU to mg varies depending on the nutrient. One milligram of beta carotene = 1667IU of Vitamin A activity.