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[5] PubChem CID 950107 5-Amino-1-methylquinolinium (cation entry)
Age, certain medications, stomach conditions, and plant-based diets can all interfere with absorption
"What effect does metformin have on vitamin B 12 levels?"
Make sure your provider is aware of your allergies or medications you are taking
Be careful: sustained-release forms can remain detectable longer
