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What is methylmalonic acid, and how is it linked to Vitamin B12 deficiency

Schilling test: Though less commonly used today, the Schilling test evaluates the absorption of Vitamin B12

However, patients should be aware of potential side effects and know when to seek medical attention

Needle Compatibility Ensure that the needles you choose are compatible with the syringes and vials used for B12 injections

A lack of vitamin B12 can lead to neurological disorders such as agitation, hallucinations, changes in natural reflexes, poor muscle function, memory problems, loss of taste, and in severe cases, can cause psychiatric disorders