In some countries, vitamin D is listed in micrograms, and the relationship is as follows: 2.5 mcg (micrograms) = 100 IU. 5 mcg = 200 IU. 10 mcg = 400 IU. 15 mcg = 600 IU. 20 mcg = 800 IU.

Unfortunately, it’s not unusual to have low levels of the vitamin. While there isn’t a consensus on the ideal amount of ...

and for adults >70 years it is 800 IU (20 mcg) daily. While it is advisable to pay attention to Vitamin D intake, it is also recommended to not overdo it. Vitamin D toxicity is as harmful as its ...

Adults aged 71 years old and over: 800 IU or 20 mcg. During pregnancy and breastfeeding: 600 IU or 15 mcg. Some foods are higher in vitamin D than others. Eggs, sardines, and salmon naturally ...

Breastfed infants and children with certain medical conditions are also susceptible to vitamin D deficiency. If a healthcare professional has recommended a vitamin D supplement for calcium ...

The Vitamin D Blood Test (25-OH Vitamin D): Who, How, When, and Where Clinically speaking, things began to change in the 1970s when the blood test for vitamin D (known as the "25-OH vitamin D ...