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im sites for b12 injection Intramuscular Deltoid Vitamin B12 Injections | Energy
Description
Health Quality Ontarios research is published as part of the Ontario Health Technology Assessment Series, which is indexed in MEDLINE/PubMed, Excerpta Medica/Embase, and the Centre for Reviews and Dissemination database

Anecdotal consumer reports mention several weeks, but those are not controlled observations and should be read with skepticism

Studies show that insufficient B12 impacts hormone production

For example, if the current frequency is 3-monthly then change to 6-monthly
Mol Endocrinol
