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Sikiric et al., 2017
A 20mg vial with 4mL of water creates the same ratio, proving the calculators flexibility: it applies the same math across different vial sizes and water volumes
On the other hand, those with severe kidney problems taking high amounts of B12 may see a high level of toxicity since the excess vitamin B12 wont get eliminated from the body easily
Better Brain Function: B12 is important for maintaining healthy nerve cells and is involved in neurotransmitter signaling
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