where should you inject a b12 shot Best Vitamin Injection Sites Vitamin B12 Injection Dosage |

In advanced liver disease, serum B12 levels can appear misleadingly normal or even elevated due to increased binding proteins and reduced clearance, despite actual tissue deficiency

BrunsHJitschinRMougiakakosDBittenbringJNoltingJButtnerMet al

Functional vitamin B12 deficiency Some people can experience problems related to a vitamin B12 deficiency, despite appearing to have normal levels of vitamin B12 in their blood

Additionally, some individuals may have genetic variations in AMPK or NNMT expression that reduce responsiveness to these compounds, though this is less common

B12 can help

Abels, Improved distribution analysis of cobalamins and cobalamin analogues in human plasma in which the use of thiol-blocking agents is a prerequisite, Clinica Chimica Acta, Volume 131, Issue 3, 15 July 1983, Pages 211-224, ISSN 0009-8981 Thakkar, K., & Billa, G