side effects of having b12 injections Shots And How To Treat Them Vitamin B12 shots: Uses, benefits,
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However, if the underlying cause of your deficiency remains such as pernicious anemia or ongoing medication use that impairs absorption your B12 levels will gradually decline after discontinuation

Administration methods vary by manufacturer and research protocol

November 10, 2025 B Vitamin Supplements Review, which includes our Top Picks for B-12 and other B vitamins
