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A member asked:
Is it safe to take 70000iu of vitamin a (fish liver oil) at one time?
2 doctors weighed in across 2 answers
One can take: that much at one time .... if one is deficient and under a doctor's care. The regimen for those known to be vitamin A deficient can be 100,000 IU by mouth or injection for 3 days, followed by 50,000 IU daily for two weeks. But 70,000 units should not be a daily dose. The recommended dietary allowance (RDA) for adults is 3000 IU daily for men. Hope this helps! Good wishes:)
Answered 1/6/2016
1.8k views
If doctor ordered it: Vitamin A calculations are complicated because the number of "iu" in each "mcg" varies depending on the source of the vitamin A (the type of vitamin A compound). Also, one doesn't truly know what exactly is in supplements, and how much is really in them, because they are not as regulated as "FDA-regulated" medications. See details at: https://ods.od.nih.gov/factsheets/VitaminA-HealthProfessional/
Answered 1/6/2016
1.8k views
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