Yes, it is possible. 5mg is a very small amount. Given the weight of B12 it is probably the size of 2 sugar grains, and the rest is filler.
Some sublinguals are "dots"...and quite hard. Is yours hard?
I'd chew it up and swallow with some water on an empty stomach with no food for 1 hr after.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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