2-6310 Vitamin B12

The richest sources of B vitamins are ___________ _________ and _______________ ____________.
 
Other sources include the _____ and _____ of cereal grains, _____ and peas and leafy greens.
 
B complex vitamins are good for our ________________ ____________.
 
B complex vitamins _______ _______ ________ to work best.
 
Vitamin B12 is not found in foods but brewer’s yeast and nutritional yeast are sometimes ____________ with B12.
 
B12 is needed in __________ amounts than other vitamins and we can ________ enough for three to eight years.
 
B12 is produced by ____________ which are in the mouth and intestines of humans and on plants.
 
We wash our food so thoroughly that we wash off the ___________________ that produce B12.
 
Vitamin B12 deficiency is not due to a lack of B12 in the ______ but the inability of the small intestine to absorb it. It may be better to focus on a _____________ _____ rather than excessive amounts of B12.
 
Since Vitamin B12 is not made by plants, taking a vitamin B12 ________________to insure that we have enough is a good idea.
 
Vitamin B12 supplements have much more of the vitamin than we need. The National Academy of Sciences has determined that we need ____ micrograms per day. Taking a vitamin B12 _____________ periodically will fill the need for most people.
 

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