[2] [3] However, reduced effectiveness can have multiple causes, and patients should consult their healthcare provider rather than simply replacing the medication
An incidental-finding cohort from a Spanish university hospital (2023) What was found: among 4,800 people who had a B12 measured, about 7 in 100 had a level above 1000 pg/mL
In other words, it should only be used as a vehicle for other drugs, not as fluid replacement
Subcutaneous injections in areas with abundant fat tissue are usually painless
But they can get it from B12 supplements or fortified cereals and breads
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