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If you dont get enough of it, you can feel fatigued, weak, and generally run down
If your energy is low, its possible you have a B12 deficiency
When you take a B12 pill, it has to go through your digestive system, where much of the vitamin can be lost before your body can use it
V draw = 0.5 mg 2 mL10 mg = 0.1 mL = 10 units Larger vials or injection irritation: double the water volume and double your draw delivered dose is identical
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