In a message dated 3/25/99 7:26:27 AM US Eastern Standard Time,
[log in to unmask] writes:

> ince humans usually have 3-5 years of B-12 reserves, I guess Alan is
>  right when he says that your diet cannot posibly have caused your B12
>  deficiency (i.e. you were probably already deficient 6 months ago),
>  but regardless of the reason why your B12 level is below normal, not
>  having adequate sources of B12 would be dangerous (like trying to
>  drive a car with an empty tank), unless you want to take pills for the
>  rest of your life. The only reliable sources of B12 are animal (meat,
>  fish, eggs, dairy). Other sources (dirt, bacteria in your mouth, etc)
>  can supply a little B12, but in your case, until your stores are fully
>  replenished, relying on them is too risky.
>

Nutritional yeast is a great source for B Vitamins!!!!