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R., Donohoe, M., Ellard, S
Side effects are minimal and typically include mild soreness at the injection site
Low B12 is associated with depression, irritability, brain fog, and memory difficulty
"What effect does metformin have on vitamin B 12 levels?"
[9] Because NNMT acts inside cells, an effective inhibitor has to get into cells throughout the body which is exactly why absorption and route matter, and why the membrane-permeability finding was highlighted in the first place
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