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Diagnosis and Testing for High B12 The diagnosis of elevated B12 begins with serum vitamin B12 measurement, typically performed as part of a broader investigation into anaemia, neurological symptoms, or routine health screening

Additionally, individuals with certain medical conditions like Leber's disease, low potassium levels, optic nerve disease, or liver/kidney issues should inform their healthcare provider before starting treatment

Using research-grade products intended for laboratory work exposes users to unnecessary risks including contamination, incorrect dosing, and potential adverse reactions

Liu J et al

Minerals such as magnesium , zinc , and chromium are not merely passive building blocks