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each serves a distinct research application, and using the wrong one for your model introduces confounding variables that weaken result interpretation
It affects the calculation
It is usually given intramuscularly (IM), but IV use may occur in hospitals
This includes: Using a sterile needle and syringe Inserting the needle at a 90-degree angle to the skin Aspirating to check for blood return before injecting Injecting slowly to minimize discomfort By following these steps, the Vitamin B12 goes into the muscle tissue effectively
There are often large gaps between total B12 and active-B12 levels in the blood
Using a nasal spray eliminates the need for reconstitution, and dosing is straightforward with the metered spray format
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