b complex liver extract with vitamin b12 injection BETAMYL-VET – Powerful B-Complex & Support For Livestock making it easy to incorporate into your daily routine. Durvet High Level Vitamin B

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Retrieved 17 January 2017

For general nutritional guidance, the RDI for adults is 2.4 mcg to 2.8 mcg per day

Pathological causes of elevated B12 warrant careful consideration: Haematological disorders : Myeloproliferative neoplasms (polycythaemia vera, chronic myeloid leukaemia), acute leukaemia, and lymphoproliferative disorders can increase B12-binding proteins (transcobalamin and haptocorrin), elevating total serum B12 [3] Liver disease : Hepatocellular damage releases stored B12 into circulation

Niessl J, Sekine T, Lange J, Konya V, Forkel M, Maric J, et al