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One, it may well be that levels of serum B12 in the blood gradually decrease when treatment is stopped, but still remain within the low-normal range for several months or even a few years

The question of whether these compounds should be used indefinitely parallels the conversation about blood pressure medications and statins

Subsequent studies have shown that it can influence melatonin secretion, a key regulator of circadian rhythms and sleep-wake cycles

Professional B12 injections provide expert administration, immediate care, and monitoring but are more expensive and require clinical visits

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