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Old 14-08-2005, 09:41 PM
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Default B12= meat need?

Is it said how much meat is necassary to eat so as not to suffer B12
Użytkownik "Light Cutter" napisał w wiadomości
Vitamin B-12 (Cobalamin) is not bioavailable in plant form. The best way
to get B-12 is from Meat.

A study I found while doing some research:

Background: Lack of cobalamin may lead to neurologic disorders, which have
been reported in strict vegetarians.

Objective: The objective of this study was to investigate whether
cognitive functioning is affected in adolescents (aged 10-16 y) with
marginal cobalamin status as a result of being fed a macrobiotic diet up to
an average age of 6 y.

Design: Data on dietary intake, psychological test performance, and
biochemical variables of cobalamin status were collected from 48 adolescents
who consumed macrobiotic (vegan type) diets up to the age of 6 y,
subsequently followed by lactovegetarian or omnivorous diets, and from 24
subjects (aged 10-18 y) who were fed omnivorous diets from birth onward.
Thirty-one subjects from the previously macrobiotic group were cobalamin
deficient according to their plasma methylmalonic acid concentrations.
Seventeen previously macrobiotic subjects and all control subjects had
normal cobalamin status.

Results: The control subjects performed better on most psychological tests
than did macrobiotic subjects with low or normal cobalamin status. A
significant relation between test score and cobalamin deficiency (P = 0.01)
was observed for a test measuring fluid intelligence (correlation
coefficient: -0.28; 95% CI: -0.48, -0.08). This effect became more
pronounced (P = 0.003) within the subgroup of macrobiotic subjects
(correlation coefficient: -0.38; 95% CI: -0.62, - 0.14).

Conclusion: Our data suggest that cobalamin deficiency, in the absence of
hematologic signs, may lead to impaired cognitive performance in

__________________________________________________ _______________________________

More problems with B-12 deficency:

During 2001, cobalamin (vitamin B12) deficiency resulted in neurologic
impairment in two children in Georgia. The children were breastfed by
mothers who followed vegetarian diets. A recent report from the U.S. Centers
for Disease Control and Prevention (CDC) summarizes the two cases and
provides guidance for health-care providers on identifying and preventing
cobalamin deficiency among breastfed infants of vegetarian mothers.

Oh, I know an easy way to Avoid B-12 deficency...EAT MORE MEAT!


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Old 20-08-2005, 08:14 PM
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"mch" wrote in message

Is it said how much meat is necassary to eat so as not to suffer B12

None!! Supplements are cheap and readily available. There is also B-12
in plants. And, there is no evidence that veg*ns, in general, have any B-12


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