On Friday, April 29, 2022 at 1:27:40 AM UTC-4, Joy Beeson wrote:
Is it theoretically possible to overdose on Vitamin D by bathing in
cod-liver oil?
Unlikely. CLO has 1356 IU/tablespoon (13.6g) (from Google)
(about 100 IU/g)
I, myself, take 5000 IU/day
I know Vitamin A can be absorbed by the skin - fish oil
acts as a carrier, and probably works for D as well.
https://jamanetwork.com/journals/jamadermatology/article-abstract/520241
Overdose starts at 77k/day over several days.
https://en.wikipedia.org/wiki/Vitamin_D_toxicity#Recommended_supplement_limits
That would take absorbing 770 grams of oil a day, which seems challenging, and I
expect other effects of the oil would kick in first.
pt
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