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it plays a vital role in brain function and the production of DNA and red blood cells
Once your blood B12 is in the normal range, more B12 does not produce more energy
The takeaway is that B12 injections are usually considered very safe, and side effects are uncommon when used appropriately
Vegetarian Resource Group
Cyanocobalamin injection is a form of vitamin B12 that is typically given by injection into a muscle or under the skin
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