3 February 2025 (Monday) - Stopping Vitamin B12 Injections?

Monday - #LearningMonday.  I got it right – answer three.
 
Tina has not consumed her vitamin B12 reserves built up by injections over the years. 
Large quantities of cobalamin are retained in the liver after absorption, as a result, any decline in the intake of cobalamin may take five to ten years to show clinically.  
Even if intake would stop altogether, normal liver supplies account for approximately two years of normal cobalamin consumption.  
Although sporadic reports of spontaneous remission of pernicious anemia are present in the literature, such events are very rare.    
Reference:
Jajoo SS et al. Etiology, Clinical Manifestations, Diagnosis, and Treatment of Cobalamin (Vitamin B12) Deficiency. Cureus. 2024 Jan 12;16(1):e52153.”   

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