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how long does vitamin a stay in your body

A 74-year-old female asked:
Dr. David Sneid
40 years experience Endocrinology
3 mos: Vitamin d is fat soluble, so once your level is stable on replacement it takes up to 3 mos to decline back to the prior level.
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A 28-year-old male asked:
Dr. Randy Baker
39 years experience Holistic Medicine
It depends: Our bodies are always active- your heart never stops, you always breathe, your brain is always active, as is every cell of your body to some degree. B ... Read More
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A 28-year-old male asked:
Dr. Randy Baker
39 years experience Holistic Medicine
Many months: There is widespread agreement that it takes many months for vit a to leave the body but little specific info on how long. One website says the half-li ... Read More
A 48-year-old member asked:
Dr. Randy Baker
39 years experience Holistic Medicine
Only minutes: In most cases b complex will be absorbed quite quickly. One way of verifying this is to see how long it takes between taking a potent b complex and ho ... Read More
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A 52-year-old member asked:
Dr. Bruce Saran
32 years experience Ophthalmology
Depends: Acute toxicity occurs when adults take more than 20-100 times the rda ( recommended daily amount) of vitamin a over a period of hours or a few days. ... Read More
A 54-year-old male asked:
Dr. Michael Dugan
Specializes in Hematology
A is fat soluble so: It could stay around for awhile. In either case it would be best to take a little extra on a regular basis, than to try to "top off" on some random s ... Read More
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A 44-year-old member asked:
Dr. Thomas Riney
36 years experience Pediatrics
Fat soluble vits: Can last for months and too much can actually cause harm, one a day MVI (multivitamin) from walmart is all anyone needs.
A 41-year-old male asked:
Dr. J. Lawrence Dohan
56 years experience Dermatology
Wrong question: Why ask this? There is no toxic dose of B12. You will absorb only a tiny fraction of these very large doses. Why are you taking it? Most of the time ... Read More
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A 46-year-old member asked:
Dr. Steven Charlap
36 years experience Holistic Medicine
Fat soluble: Vitamin d is fat soluble and can stay in your body indefinitely unless it is used up by not replenishing it.
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A 37-year-old member asked:
Dr. Sewa Legha
49 years experience Medical Oncology
Quick: It is absorbed within one to two hours.

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