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What is vitamin A and beta carotene?

Vitamin A is a fat-soluble vitamin and was the first vitamin discovered.

Vitamin A is a family of compounds that includes retinol, retinal, and beta carotene.

Beta carotene also is called provitamin A, since it can be converted in the body to vitamin A.

Both vitamin A and beta carotene are available in supplement form.


Current research on vitamin A?

Cancer: Ample intakes of vitamin A and beta carotene are associated with reduced risk of developing certain forms of cancer.

Infectious Disease: Children with low vitamin A levels are more likely to contract measles and develop complications. Beta carotene might stimulate the immune system and protect against infection and disease.

Vision: Optimal intake of beta carotene or other carotene-like compounds, such as lycopene or lutein found in vegetables, might reduce the risk of developing age-related macular degeneration, the leading cause of blindness in seniors.