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Food Chem Toxicology: an Int J published Br Ind Biol Res Assoc (2019) 132:110700

Patients on therapeutic anticoagulation get adjusted dosing

Those with Neurological Symptoms: B12 deficiency can cause nerve damage, leading to symptoms like numbness, tingling, balance issues, or memory problems
These suppliers have access to tens of thousands of dollars worth of equipment specifically to avoid such a scenario

People with certain allergies might be sensitive to B12
