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Description
Instead, it is found naturally in many animal products

World Journal of Diabetes : Association Between Metformin and Vitamin B12 Deficiency in Patients With Type 2 Diabetes World Journal of Diabetes : Long-Term Metformin Therapy and Vitamin B12 Deficiency: An Association to Bear in Mind Diabetes, Obesity & Metabolism : Metformin-Induced Vitamin B12 Deficiency Can Cause or Worsen Distal Symmetrical, Autonomic and Cardiac Neuropathy in the Patient With Diabetes U.S

Some need 1,000 mcg if levels stay low on the lower dose

Miss by two units and you are off by 0.6 mg

Some people lack the proper intrinsic factor to properly digest this molecule
