What was meant was 1000 mcg. daily for 6 days to build up a B-12 deficiency. Is this too much?
No overdosage has been reported with cyanocobalamin.
The recommended dose is 1mg (1000 mcg) by IM injection repeated 10 times at intervals 2 to 3 days, then maintenance of 1mg every month.
However its use is being replaced by hydroxycobalamin as it is retained by the body for longer.
- Cyanocobalamin Information for Consumers
- Cyanocobalamin Information for Healthcare Professionals (includes dosage details)
- Side Effects of Cyanocobalamin (detailed)
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