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Beta-carotene
Recommended Daily Intake
| 6 - 15 mg (10,000 - 25,000 IU) |
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Food Sources
Yellow, red, and orange fruits and vegetables
Dark green vegetables
Problems Associated with Deficiencies
None identified
Functions/Potential Benefits at Recommended Levels
Converted by the body to vitamin A
Serves as an antioxidant
Potential Benefits Under Investigation
Higher levels of beta-carotene along with vitamins E and C have been associated with reduced risk of colorectal carcinoma
May play a role in immune functions
May reduce the risk of cataracts
Beta-carotene may suppress development of premalignant changes in cervical tissue
It has been theorized that beta-carotene may reduce the risk of cardiovascular disease
Special Considerations/Possible Adverse Effects with Excess Intake
High dose 50,000 IU was associated with increased lung cancer risk in heavy smokers and asbestos workers
* Information in this chart is not intended to provide a complete review on any topic.
** The information in this chart is in reference to healthy adults only, not to children or pregnant and lactating women. |
