If it bothers you ask for the test.
Mostly babies with severe B12 deficiency fail to thrive.
But since you don't know why you are deficient, it may be a hereditary factor, or a gluten intolerance both of which run in families. The B12 has to be pretty low to cause frank anemia to show up. If her fingernails are pink normally, and her inner eyelids are good and pink/reddish, she is probably not anemic.
A B12 test is not expensive or terribly invasive.
http://www.psychologytoday.com/artic...iciency-danger
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Weezie looking at petunias 8.25.2017
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