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should b12 injection be refrigerated Shots at Home: How, Where & How Often to Inject Yourself do you have to keep
Description
Sleepwake cycle In the 1990s, a number of trials were carried out into the effects of B12 on circadian rhythm and the sleepwake cycle, but no more recent studies have been published on this topic

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Then, it combines with a protein created in the stomach and is absorbed by the body

It is therefore possible to be B12 deficient despite having high B12 blood levels for example, if the vitamin cannot correctly bind to transport molecules (6)

Who should avoid taking vitamin B12 supplements

Otherwise studies that don't get published shouldn't be done in the first place