Can too much vitamin B12 cause problems?
VITAMIN B-12 Nature Made
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Open Nov 19, 2025 - 10:28 AM
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Nov 19, 2025 - 10:28 AM
Excessive intake may cause low potassium levels and, in people with vitamin B12-deficient megaloblastic anemia, sudden death. High platelet levels can also occur with severe deficiency treatment. Knowing the risks of overuse helps you use the supplement responsibly.
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VITAMIN B-12 Nature Made
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