is a b12 injection better than tablets Best Vitamin Site: Administering B12 Shots B12 Injections vs Oral Supplements:

Originally written July 13, 2022 Medically reviewed on January 29, 2024 8 Sources Have thoughts or suggestions about this article

When you ingest a liquid formulation, it enters your bloodstream quicker as it does not need to be broken down by stomach hydrochloric acid like a pill

Anyone taking methyl-donor-sensitive medications (some psychiatric drugs, methotrexate, methylated B-vitamin protocols at high doses): NNMT shares the methyl donor SAM, so theoretical interactions exist

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