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Sit with the leg relaxed
Do not try to remove water from the vial
Although dairy and meat products are usually considered good food sources of vitamin B12, the actual B12 levels contained in these products tend to vary greatly, as livestock is regularly supplemented with B12 injections to avoid deficiencies, making for a less than reliable (and natural!) source
(1967) Vitamin B12: an aid to oral mucous membrane healing
Both are often mentioned together
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