With over half of us not getting enough of the ‘sunshine vitamin’, we look at the ... the recommendations are between 400 IU and 2000 IU [international units], but 800-1000 IU is the most ...

For adults, doses of 800 to 2000 units per day are recommended, with prolonged intake of over 4000 units potentially being ...

Despite high hopes, recent studies have found that vitamin D supplements taken alone don’t prevent fractures, make bones stronger or protect against heart disease or cancer — at least not at a dose of ...