All under-fives could get free vitamins under plans being considered by the Government.
At present, only low-income families qualify for vitamins on the NHS but rising fears about the number of children developing rickets - caused by a lack of vitamin D - has prompted a rethink.
England's chief medical officer, Professor Dame Sally Davies, has asked the National Institute for Health and Care Excellence (Nice) to examine whether all children should receive drops or tablets containing vitamins A, C and D.
More top news
Protesters force cancellation of controversial 'human zoo' show which has been dubbed racist and offensive.
The Silverton family are celebrating the birth of the first baby girl in a century, breaking a streak of 21 boys over four generations.
The 100 leaders did not agree on concrete proposals, but the meeting has raised hopes for concrete international agreement next December.