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At the beginning of the treatment, 1 ampoule with 1 mlvitamin B 12 Lichtenstein (corresponding to 1000 micrograms of cyanocobalamin) is added twice a week in the first weeks after diagnosis.12 Lichtenstein is usually administered intramuscularly (injected into a muscle)
If you took too much, the kidneys removed it from the bloodstream in the urine
B12 injections deliver the vitamin directly into your muscle tissue, allowing for faster absorption compared to oral supplements
Status Not FDA-approved as of July 30, 2026
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This duration of safety monitoring provides meaningful reassurance about sustained exposure effects that would not be apparent in brief trials
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