What we do: We each take 2,000 IU of vitamin D-2 or -3 every day; make sure to get out into the sun (walking, walking); and eat foods rich in D, such as salmon.

The evidence for 2000 international units (IU) of vitamin D supplementation per day.

The vitamin, which is vital for the body’s absorption of calcium, is available over the counter with dosages typically from 600 international units to 2,000 IU.

We conducted an open-label clinical trial in patients with low- and intermediate-1-(INT-1) risk MDS with oral 2000–4000 IU cholecalciferol (vitamin D 3) daily for up to 12 months. The primary ...

Today, you can grab over-the-counter vitamin D with dosages typically from 600 international units to 2,000 IU. For people with a severe vitamin D deficiency confirmed in tests, some health care ...

The potency of over-the-counter (OTC) and compounded vitamin D (cholecalciferol) supplements vary widely.

Children and adults who have limited sun exposure should receive vitamin D supplementation, but the recommended doses vary widely (from 200 IU to 2,000 IU daily), in line with disagreement ...

The best vitamin D supplement depends on a person's age, dietary needs, and their vitamin D levels. Learn more about 6 of the best vitamin D supplements.

Older adults who took daily fish oil and vitamin D supplements for more than two years were about 30% less likely to develop autoimmune disorders, a new study says.

A Harvard study found that vitamin D supplements may help slow biological aging by protecting telomeres, the protective caps on DNA. Over four years, ...

Historically, 400 IU (10 ug) of vitamin D was recommended for better health because it closely approximated the amount of vitamin D in a teaspoonful of cod liver oil. However, 800 to 1,000 IU is ...

Vitamin D supplements slow telomere shortening, reducing biological aging Participants taking 2,000 IU of vitamin D daily had significantly less telomere loss over four years, study finds.