“Vitamin D deficiency is very common and ongoing research has shown its impact on physical and mental well-being,” says Dr.

A recent study published in the American Journal of Preventive Cardiology found that higher vitamin D doses do not ... 1000, 2,000, or 4,000 international units (IU) per day of vitamin D3 ...

Vitamin D is also important to bone health and many other important functions throughout your body. According to experts, ideally, your body should get at least 1,500–2,000 international units or IU ...

You’ll see vitamin D listed as international units (IU) and micrograms (mcg). The recommended dietary allowance ... For example, the Endocrine Society recommends up to 1,500 to 2,000 IU of vitamin D ...

Professor Tim Spector issued a warning about vitamin D pills in a latest update ... trialled the effect of taking 500,000 ...