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How much vitamin A is healthy?

【Expert answer】

Created: 2022-06-29 01:15:11

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If you take vitamin A for its antioxidant properties, keep in mind that the supplement might not offer the same benefits as naturally occurring antioxidants in food. The recommended daily amount of vitamin A is 900 micrograms (mcg) for adult men and 700 mcg for adult women.


How much is too much of vitamin A?

The tolerable upper intake of 3,000 mcg of preformed vitamin A, more than three times the current recommended daily level, is thought to be safe. However, there is some evidence that this much preformed vitamin A might increase the risk of bone loss, hip fracture [9-11], or some birth defects.

Is it OK to take vitamin A everyday?

The maximum daily dose relates to only pre-formed vitamin A. Pre-formed vitamin A is possibly unsafe when taken in doses greater than 10,000 units (3,000 mcg) daily. Higher doses might increase the risk of side effects. Long-term use of large amounts might cause serious side effects including mental changes.

How much vitamin A is in one a day?

Multivitamin supplements typically contain 2,500 to 10,000 IUs of Vitamin A. One A Day's Women's multivitamin, for instance, contains 4,000 IUs of Vitamin A, with 50 % in the form of beta-carotene.

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