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how much is to much vit. A?
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monica001 View Drop Down
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    Posted: January 11 2007 at 10:36pm
my hair vit. A has 5000 IU. my mult has 3500 IU 30% bete cartatone. [sp?]is this to much? i know to much can cause hair to fall out! i now other vits. has up to 10,000 IU.
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Lil'Bohemian View Drop Down
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Points: 131 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lil'Bohemian Quote  Post ReplyReply Direct Link To This Post Posted: January 12 2007 at 6:31pm
I am not sure how much is too much-
but I do know that vitamin A from beta carotine source is safe; whereas non-beta carotene vitamin A is stored within the fats of your body and can be harmful in large amounts.
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DaveDecker View Drop Down
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Points: 3247 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DaveDecker Quote  Post ReplyReply Direct Link To This Post Posted: January 15 2007 at 4:37pm
From http://www.hsph.harvard.edu/nutritionsource/vitamins.html

"Intake of up to 10,000 IU, twice 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 hip fracture or some birth defects.

Optimal Intake: The current recommended intake of vitamin A is 5,000 IU for men and 4,000 IU for women."

It sounds like you're getting almost twice the recommended intake.  If you're experiencing higher-than-normal shedding, you might want to partially reduce your intake of one or the other.
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