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A member asked:
Can too much b12 give you insomnia?
9 doctors weighed in across 2 answers
B 12/ insomnia: A recent study of people taking B12 reported that 2.91% reported insomnia. It is hard to say if the vitamin itself caused this but it does happen in a significant amount of people taking b 12 supplements. It should be easy to tell. If you take time off from the medication (2 to 4 weeks) you should be able to see if it is linked.
Answered 5/8/2016
4.9k views
B12: People take b 12 to increase energy and that may possibly cause insomnia.
Answered 6/11/2017
4.9k views
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