can b12 injection affect your period Sublingual vs. B12 Injections: Which Option Is Right for You? – WhyNotNatural Does B12 Keep You Awake?
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In severe cases, hospitalization may be necessary for supportive care and monitoring

Of these, approximately 65% are 65 years of age or older and most are female

PMID: 35013352 | doi:10.1038/s41598-021-03670-5 Yang M et al

L-carnitine Some formulations include L-carnitine for its potential metabolic benefits

Better Metabolism : Vitamin B12 supports a healthy metabolism by aiding in the breakdown of fats and proteins
If you have a confirmed deficiency, a course of injections is usually needed to feel a sustained difference