Taking a vitamin D supplement – or getting enough of the compound naturally – can knock three years off your biological aging ...

Results from the VITAL randomized controlled trial reveal that vitamin D supplementation helps maintain telomeres, protective ...

A randomized trial suggests vitamin D can protect against telomere shortening, which is linked to risk of age-related disease.

is available over the counter with dosages typically from 600 international units to 2,000 IU. For people with a severe vitamin D deficiency confirmed in blood tests, some health care providers ...

“Compared with taking a placebo, taking vitamin D3 supplements significantly reduced telomere shortening over four years,” ...

Each serving contains 50 mcg (2,000 IU) of vitamin D3 sourced from lichen. This exceeds the daily requirement for this age group. Ritual claims that all of its vitamins are “made traceable ...

1000 IU (25 mcg) per day increases vitamin D blood levels 10 ng/ml (25 nmol/L). 2000 IU (50 mcg) per day increases vitamin D blood levels 20 ng/ml (50 nmol/L). If the vitamin D blood test was 30 ...

The authors said that the supplements were a “promising strategy to counter biological ... were given a daily dose of 2,000 IU, or 50 micrograms, of vitamin D3. Haidong Zhu, an author of the ...

Taking vitamin D supplements could help turn back the clock on biological ageing, research suggests.