dairy products and eggs which can supply substantial amounts of B12. For example, one cup of milk contains 0.9 micrograms of vitamin B12 while 8 ounces of yogurt has 1.5 micrograms. Sterilized, boiled, or canned milk destroys about one-half of the vitamin B12. Since most of the vitamin B12 resides within the cholesterol-laden yolk, it would be better for the lacto-ovo-vegetarian to rely on low-fat dairy products for their source of B12. Vegetarians who use a B12 supplement should ensure that it contains an active form of the vitamin-namely, cyanocobalamin or hydroxocobalamin.
Fermented soy products, such as miso and tempeh, shiitake (dried mushrooms) and algae such as spirulina and nori contain practically no vitamin B12. While these foods are often sold in health food stores as "excellent souces of B12" and are widely used by the macrobiotic community, they actually contain little, if any active B12 (cobalamin). Instead they contain analogs of B12 that are not active and may actually block the absoprtion of true vitamin B12.
2006-08-17 10:57:04
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answer #1
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answered by tyrone b 6
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The only reliable unfortified sources of vitamin B12 are meat, dairy products and eggs. There has been considerable research into possible plant food sources of B12. Fermented soya products, seaweeds and algae have all been proposed as possible sources of B12. However, analysis of fermented soya products, including tempeh, miso, shoyu and tamari, found no significant B12.
2006-08-17 18:00:23
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answer #2
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answered by magerk 3
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Many dairy products (milk, cheese, etc.), dried beans, and red meats contain this vitamin. Really the only people who need to worry about getting enough b12 are vegans. Everybody else usually just gets it in an average diet.
2006-08-17 17:53:15
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answer #3
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answered by patinar.ocho 1
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Red Meat. dried beans. Spinach and greens of all sorts. Liver. I think these are correct but its been awhile since I sought B12.
2006-08-17 17:47:24
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answer #4
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answered by Bebe 2
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I know Breakfast cereals do...... and I think bread possibly does too
2006-08-17 17:48:55
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answer #5
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answered by Anonymous
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