I'm looking at Kirkland Signature Vitamin E geltabs on Amazon.com and saw a poor rating that sounded well informed.
"Taking Vitamin E supplements is a good health habit. However, the dl-alpha form of Vitamin E in this product can be toxic. The best form of Vitamin E supplement is a mixed-tocopherol blend with added tocotrienols. Even if you cannot find a good brand with tocotrienols, a good second choice is a mixed-tocopherol product."
The product details say:
"USP has tested and verified ingredients, potency and manufacturing process."
Is there that much of a difference? The product is 500 geltabs (400 iu each) for $17 which is a bargain but I don't want to buy something that might be toxic.
Connie Sutherland Moderator Reg: 07-13-2005
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Without even following the link .... I don't buy dl-alpha (synthetic) E.
"The best form of Vitamin E supplement is a mixed-tocopherol blend with added tocotrienols. "
Yep! At the least, you want d-alpha. Stepping up, you want d-alpha with mixed tocopherols.
And even better is "a mixed-tocopherol blend with added tocotrienols."
eta
That product is over a year's worth for $17. That's about 4 cents a day. For a few more cents a day, you can do WAY better.
Connie:i was thinking this morning, what are the symptoms in a dog experiencing the effects of toxic vitamin e ?
My cody has had bowel irritation lately. I was wondering..could this be the problem. ( I was giving him the costco vitamin e. Have stopped that for about 2 weeks now and today just purchased the better vitamin e.
Thanks for the help. sharon
Did more research and the stuff Connie wrote is gold!
On another note, Odin has been limping lately but shows no signs of pain when I touch the leg. One of the women in my training club suggested I give Odin prenatal vitamins to help with his pain due to growing so fast (Cane Corso). She said he could keep taking them all his life. I also consulted my vet who said he doesn't need them. He gave me some pain relievers and said keep him inactive for a week.
no he had an upset stomach. No diarrhea. He thew up and when that disappeared he continued to have an upset stomach until he ate his breakfast. If I didn't give him anything to eat, or didn't get his breakfast to him quick enough, he would throw up bile like fluid. (that has stopped since getting meds from the vet for him) We do not know what is causing this, so once I heard about the vitamin e (and I was giving my dogs kirkland vitamin e), I was just wondering what the toxicity symptoms were for that type of vitamin e.
Sharon
Connie Sutherland Moderator Reg: 07-13-2005
Posts: 31571
Loc: North-Central coast of California
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Quote: sharon empson
Connie:i was thinking this morning, what are the symptoms in a dog experiencing the effects of toxic vitamin e ?
My cody has had bowel irritation lately. I was wondering..could this be the problem. ( I was giving him the costco vitamin e. Have stopped that for about 2 weeks now and today just purchased the better vitamin e.
Thanks for the help. sharon
No, that's not the problem, IMO. I don't even think it's in the running. (JMO, and you might want to check with your vet; I'm not a health professional.)
Again, I'm no vet, but I kinda wish the "artificial E can cause toxicity" thing hadn't come up. It's actually "alpha-only can cause toxicity."
I was seconding the preference for natural (d-alpha) E and for mixed tocopherols rather than all alpha for other reasons. (Natural alpha-only can cause toxicity, too -- not at normal intake levels -- but that's all about humans. And toxicity even in humans* is pretty rare, but we won't get into that here.)
Toxicity in dogs hasn't been seen at even very high laboratory levels.
There is no toxicity worry for dogs at normal levels -- not at the levels we talk about here -- and probably much higher, but we don't need to worry about that. JMO!
Merck (humans): Many adults take relatively large amounts of vitamin E (α-tocopherol 400 to 800 mg/day) for months to years without any apparent harm. Occasionally, muscle weakness, fatigue, nausea, and diarrhea occur. The most significant risk is bleeding. However, bleeding is uncommon unless the dose is > 1000 mg/day or the patient takes oral coumarin or warfarin. Thus, the upper limit for adults aged ≥ 19 yr is 1000 mg for any form of α‑tocopherol.
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Different brands of Vitamin E
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.... I don't buy dl-alpha (synthetic) E.
It's actually "alpha-only can cause toxicity."
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