Is it OK to take 1000 mcg of b12 a day?

Related questions

1. Is cyanocobalamin toxic?
2. Do eggs have b12?
3. Do bananas have b12?
4. Does b12 help immune system?
5. What is Vitamin b12 1000 mcg used for?
6. Is it OK to take b12 everyday?
7. How do vegetarians get b12?
8. Is vitamin b12 deficiency a sign of cancer?
9. Do eggs have vitamin b12?
10. What does a high vitamin b12 level indicate?

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22. #complications