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Do not wait for routine labs Severe abdominal pain, fainting, allergic symptoms, or rapid swelling needs medical review instead of routine monitoring
5, May 2012, pp
The body can synthesize glycine endogenously from serine and threonine
There are more nerves in the muscle in the thigh than in the deltoid muscle, and it is easier to find the safe place to do the injection in the upper arm (which is why this is a common used place to give vaccinations i.m.)
B12 injection side effects are real, and while some people feel better instantly, others may deal with reactions they didnt expect
Scientific Reports (2021) 6
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