how are vitamin b12 injections administered to self-inject intramuscular - Overview B12 Shots vs. IV Infusions:
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*These statements have not been evaluated by the Food and Drug Administration (FDA)
CITE: 21CFR184.1945 p

Because B12 deficiency is an important symptom of anemia it seems likely the people who have raised the B12 intake will feel more energetic

Mood regulation aiding in the production of serotonin, which helps stabilise mood

Were not going to get into the nitty gritty of B12, but know that its absorption isnt as straightforward as other nutrients

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