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Recent Lab Results: If you have recent blood work detailing your vitamin levels or thyroid function, bring those along
Chapman LE, Darling AL, Brown JE (2015) The association between the biguanide drug metformin and vitamin B 12 deficiency in diabetic patients: a systematic review
Methione is one of the sulfur-containing amino acids and is important for many bodily functions
Can digestive problems affect how well my body absorbs B12
As we get older, this absorption problem compounds: the body's ability to absorb nutrients through digestion decreases progressively, and some adults become completely unable to absorb B12 orally regardless of dose
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