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“There is only one guaranteed way to be sure if you are vitamin B12 deficient and that is to get your doctor to prescribe you high dose vitamin B12 injections and see if your health improves in the long term.” — Steven Magee
There is only one guaranteed way to be sure if you are vitamin B12 deficient and that is to get your doctor to prescribe you high dose vitamin B12 injections and see if your health improves in the long term.