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This includes a review of your symptoms, medical history, and specific blood tests, including Complete Blood Count (CBC), Methylmalonic acid (MMA), and Homocysteine tests

Jumping to a high dose too quickly is the most common mistake

To those of us who suffer from B12 deficiency its infuriating to be told this by someone who studied long and hard to become a doctor
Washington, D.C: National Academy Press

These are signals worth discussing, not a diagnosis
