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is sublingual b12 as effective as injections Vitamin injection B12 Injections vs Pills: Richmond's
Description
The injections are prescribed by a medical provider and given intramuscularly, or into the muscle

doi: 10.1212/wnl.46.5.1244

Most people tolerate B12 shots well

MOTS-C , for example, is a mitochondrial-derived peptide that influences energy metabolism
