Questions tagged [apothecary]

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Markings on a 3ml syringe

I have some 3ml syringes with 23Gx1" needles. But there is also a second scale on the syringe that is marked as "M" and 40M is right at around the 2.5 ml measure. What is this M scale mean? I thought ...
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2answers
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How much Vitamin B12 do you need?

Vitamin B12 is stored over a very long time such that vegans, for example, only get any signs or symptoms of B12 deficiency after a span of years, even though they have hardly any sources of the ...