B12 in supplement form has special requirements for absorption...
that is why it needs empty stomach. Presence of food prevents passive absorption of B12, without intrinsic factor (-- many people don't know if their intrinsic factor is working-- so empty stomach applies).
Most vitamins and minerals however can be taken with food.
One exception is lipoic acid.
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Weezie looking at petunias 8.25.2017
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