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B12 injections may help alleviate symptoms of depression and improve overall mood

The health body explains: [Vitamin B12 deficiency] can often be diagnosed based on your symptoms and the results of a blood test

Cyanocobalamin is the most commonly used form of vitamin B12 in supplements and injections, []

B12 supplementation may alter gene expression in Cutibacterium acnes bacteria, increasing porphyrin production that promotes follicular inflammation High-dose B12 (especially intramuscular injections of 1,000 micrograms) appears more likely to trigger acne than dietary intake The effect is relatively uncommon and does not affect most people taking B12 supplements Topical acne treatments (benzoyl peroxide, adapalene combinations) can manage breakouts without discontinuing necessary B12 therapy Never stop prescribed B12 treatment without medical supervision, as untreated deficiency causes serious neurological damage and anaemia Suspected adverse reactions to B12 should be reported through the MHRA Yellow Card scheme Table of Contents Can B12 Vitamins Cause Acne