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Unread 07-24-2009, 04:38 AM
 
Location: Pinellas Park, FL
648 posts, read 882,994 times
Reputation: 229
Default Vit B-12

How much is the max you should take a day to help in weight loss? I know they have the shots and was wondering if you could match over the counter with that?
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Unread 07-24-2009, 11:54 AM
 
Location: Portland, Oregon
7,094 posts, read 5,529,962 times
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I don't think there is any real set number that anyone can agree on, the regular recommendation is between 2-3 micrograms a day. A bit above that it tends to just get excreted by the body. Too much more then the body can handle is often characterized by itchiness, red skin, the trots, and rashes. Above 20 micrograms a day or you start to have real permanent detrimental effects, including destruction of the optic nerve.
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Unread 07-25-2009, 04:55 PM
 
466 posts, read 117,551 times
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Quote:
Originally Posted by subsound View Post
I don't think there is any real set number that anyone can agree on, the regular recommendation is between 2-3 micrograms a day. A bit above that it tends to just get excreted by the body. Too much more then the body can handle is often characterized by itchiness, red skin, the trots, and rashes. Above 20 micrograms a day or you start to have real permanent detrimental effects, including destruction of the optic nerve.

Destuction of the optic nerve ONLY occurs if there is ALREADY a rare genetic disease of the optic nerve called Leber's disease.

Because B12 is poorly absorbed one can take up to 5000 MCG per day and the ONLY side effect may be diaria




http://www.ehow.com/facts_5147896_mu...e-effects.html

Last edited by Just-Sayin; 07-25-2009 at 05:30 PM..
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Unread 07-25-2009, 06:14 PM
 
Location: Pinellas Park, FL
648 posts, read 882,994 times
Reputation: 229
Quote:
Originally Posted by Just-Sayin View Post
Destuction of the optic nerve ONLY occurs if there is ALREADY a rare genetic disease of the optic nerve called Leber's disease.

Because B12 is poorly absorbed one can take up to 5000 MCG per day and the ONLY side effect may be diaria




Too Much Vitamin B12 Side Effects | eHow.com
that is interesting. I am still going to ask my dr about the shots.
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Unread 07-26-2009, 10:13 AM
 
Location: Portland, Oregon
7,094 posts, read 5,529,962 times
Reputation: 3957
Quote:
Originally Posted by Just-Sayin View Post
Destuction of the optic nerve ONLY occurs if there is ALREADY a rare genetic disease of the optic nerve called Leber's disease.

Because B12 is poorly absorbed one can take up to 5000 MCG per day and the ONLY side effect may be diaria




Too Much Vitamin B12 Side Effects | eHow.com
It's rare, but it's also very very hard tell if some one has it...I'd rather play devils advocate, since I'm not a doctor and know nothing about the posters medical history, and not give people advice to take a great deal of a chemical that might destroy their eyesight (even if it's really rare, you wouldn't know till it's happening). Best to talk to a doctor about it so they can monitor if some one is taking a ton of it.
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