Selenium Supplement

I'm looking for a good supplement for my mare. She is used for barrel racing, reining, cow events, performance, drill team, etc so she gets worked pretty hard. We know she is selenium deficient and we got her a block which was supposed to be fine but it isn't quite doing the trick.

Does anyone have the name of a good supplement with Selenium that I can give her? Also some more information on it would be great when you reccomend it. If possible something that isn't mixed with grain to make her hot, she's already hot enough as it is. I'm doing some more shopping now but figured I'd better post on here too.

I use Vita E and Selenium crumbles. Its one of the cheaper kinds...I can just scoop it into my hand and my horses will eat it like a treat if I don't want to give them grain that day. They all like it.
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Hi, I am from Oregon also, SorrelHorse. I was wondering, how can you tell when a horse is selenium deficient? My horses just have a mineral block with extra selenium, but it sounds like you already tried that:)

Sorrel, You need the organic selenium which is called selenium yeast. It is easily absorbed. The Sodium Selenite is not easily absorbed, if at all if I understand correctly. Most supplements have a Vit E in it as well to aid in digestion as they go hand in hand.

I have my mare on the Selenium Yeast and she looks great.

Thanks for the suggestions guys ^^

Para - With Selena it was just a matter of her being SO sluggish when being ridden or worked. I could literally come to the point of beating her to move and she just wouldn't. We thought maybe she needed something like that so we gave her the block, and she got instantly better and can now run, slide, turn, amazing and all but she has just lost interest in it and isn't licking it anymore for some reason no matter what I do to it. The vet suggested I get something else.

Well I use Red Cell but my local fleet farm sells the vitamin e and selenium stuff Claporte was talking about.

If you know she is deficiant that would mean you had a blood test and are under a vets care. I would consult your vet as too much selenium is very toxic.

YOu should not add selenium to a diet with out confirming that there is a problem with a blood test. Selenium is very toxic.

Red cell

I love Red Cell except it doesn't have enough vitamin e for my girl. But it doesn't have a huge amount of selenium so it would be really really hard to overdose on it. I use Feedxl and with 2oz of red cell per day I'm not even close to the max.