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That's why dosage matters
Do not exceed the recommended dose
Once your B12 levels are back to normal, or if a change in your diet gives your body all the B12 it needs, you may be asked to stop taking these tablets
High-dose methionine (above 100 mg per injection) can elevate homocysteine levels in susceptible individuals, increasing cardiovascular risk if used long-term without folate co-supplementation
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