can b12 tablets replace injections

• Alcohol use disorder: Alcoholism can interfere with vitamin B12 metabolism https://omegaquant.com/wp-content/uploads/2023/11/do-you-need-a-prescription-for-B12-injections.jpg Oral Treatment | Pernicious Anaemia Society Mood Support Size:1000 mcg/ml - 30 ml x 4

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