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We used to think that B12 was completely safe
PMID 38665151
People with the following should discuss risks carefully with a medical professional: Liver disease Kidney disease Pernicious anemia Known allergies to any ingredient in the formulation Pregnancy or breastfeeding (safety not well-studied avoid unless prescribed) Because ingredients differ between providers, always verify the formulation and follow prescribed dosing to minimize risk
Retrieved from Serin, H
What Are The Sources Of Vitamin B12
Note that the numbers in parentheses (1, 2, etc.) are clickable links to medically peer-reviewed studies
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