Dog Community

papillon806

Posted : 7/13/2006 3:33:06 PM

They don't "make" it, they synthesize it from the sun.

jennie_c_d

Posted : 7/13/2006 4:22:04 PM

They don't "make" it, they synthesize it from the sun.

Is their process similar to ours??

Now, I'm all curious about doggy vitamin d. I've never worried about it much, since my dogs get a bit of fish liver oil, regularly.

papillon806

Posted : 7/13/2006 7:42:55 PM

It is very similar to ours, but because they have a coat of hair rather than just the skin exposed, it is important to have it coming from the diet to make sure it is synthesized in adequate amounts.

kennel_keeper

Posted : 7/13/2006 8:43:32 PM

Jenna,

I am not defending Natures Logic and was not trying to refute your statement at all. Just pointing out their "explaination" of why it's labeled for "supplementation". Personally, I agree with you. It does sound alot like an excuse because they don't meet AAFCO minimums and I was just pointing that out.

papillon806

Posted : 7/13/2006 9:46:05 PM

I know, kennel_keeper

I was just stating what I thought based on the facts you extracted, which I thank you for . I know it wasn't your opinion

brookcove

Posted : 7/14/2006 3:05:58 PM

I don't know about dogs, but humans can get [linkhttp://tinyurl.com/a87l3]too much[/link] Vit D. It's a common mistake to take a calcium supplement with 100% RDA of D, and then a multivitamin (or two or three) with 100% RDA of D, and then of course whatever we synthesize from sunlight exposure. This actually happened to my mom - she was slowly ODing over time and it took a trip to a specialist to figure out what was wrong.

Vit D is fat soluble, which are not as benign as, say, the B vitamins, which are water soluble and truly can't be oversupplemented (except for one, which I never can remember - but the target OD level is very high and very hard to reach in a reasonably healthy animal).

jennie_c_d

Posted : 7/15/2006 10:41:20 AM

I thought I had read recently that fair skinned people can be poisoned from being in the sun too long, b/c they produce too much vit d. I'd always heard of "sun poisoning" and never heard it explained....

brookcove

Posted : 7/15/2006 11:02:36 AM

No, you actually can't get too much vit D from the sun. The body has some kind of fail safe to cease synthesization before that point. But it doesn't work for artificial D.

Vitamin D toxosis is different from "sun poisoning," which is really just a classic allergic reaction of the skin, to UV light, for various reasons. I was on a med once that forced me to be extremely careful of sun exposure, even though I am Latino and almost never burn normally.

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