is taking vitamin b12 nasally and by injection Best Site: Administering B12 Shots Will B12 injections and nasal
Description
Methylmalonic Acid (MMA) Test : An elevated level may suggest B12 deficiency

doi: 10.7717/peerj.10908
Evidence remains largely preclinical, with growing interest in translational applications for aging, metabolic disorders, and neurodegeneration

Hypesthesia and paresthesia were present on the left posterolateral thigh, leg, and foot (FIGURE 1A)

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