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Description
Please check with your doctor or pharmacist if you are not sure

Vitamin B12 is an essential water-soluble vitamin that plays a key role in metabolism, energy production, red blood cell formation, and nervous system health

Effect of B-Vitamin Therapy on Progression of Diabetic Nephropathy: A Randomized Controlled Trial

B12 acts as a helper not a replacement

These next tests are not specific to diagnosing vitamin B12 deficiency but they do give you a general idea as to whether or not your body is able to utilize B12
