FERRET-SEARCH@LISTSERV.FERRETMAILINGLIST.ORG
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Sat, 3 Mar 2001 12:54:31 -0500 |
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The Cod Liver Oil supplements I have say they contain 25% of the
recommended daily value for people. The Ferretone bottle says it contains
500 IU per 3/4 tsp, the recommended dosage for ferrets. Unfortunately I
can't find anywhere (after 20 minutes searching the web, including the
FDA site!) what the daily value for humans is in IU.
I do have personal knowledge of a ferret that suffered from Vitamin A
toxicity when given 3/4 tsp Ferretone daily. I think 8 in 1 has reduced
the amount of Vit A in Ferretone since then. Can anyone confirm that?
Vitamin A is not toxic in and of itself, but it can build up in the body
if given in excessive amounts over a long period of time. Symptoms of
overdose include lethargy and dry brittle coat (this is from memory, I
know there is info out there somewhere about this).
Linda Iroff
Oberlin OH
[Moderator's note: The daily value for adult humans is 5000 IUs, but that's
a little misleading: my understanding is that this value depends on the
source of the vitamin and varies greatly. For example, vitamin A in the
form of retinol has greater bio-availablilty than, say, vitamin A from
beta-carotene. The 5000 IU figure assumes the vitamin A is derived from a
"typical" diet. If I'm way off here, I hope someone will correct me. BIG]
[Posted in FML issue 3346]
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