This is particularly relevant as fatigue is a common concern during calorie restriction
The published research record is broadly accessible through major scientific databases including PubMed, Web of Science, and Scopus, with PMID identifiers cited inline throughout this page providing direct access to the foundational literature
After a single hydroxocobalamin injection, therapeutic levels can be maintained for approximately 8 to 12 weeks in most patients, which aligns with the standard maintenance schedule of injections every 2-3 months recommended in the British National Formulary (BNF)
B12, also known as Cobalamin , is an essential water-soluble vitamin that plays a key role in: Red blood cell formation Brain and nerve function DNA synthesis Energy production Because the body doesnt make B12 on its own, we need to get it from our diets mainly from animal products like meat, eggs, fish, and dairy