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Side effects of B12 shots Vitamin B12 injections are considered safe, but common side effects include diarrhea and swelling
Mouse studies showed no adverse effects during treatment periods, but extended multi-year data does not exist
This offers a huge advantage over other types of Vitamin B-12
doi:10.4021/JEM.V3I1-2.157 Heffernan M, Summers RJ, Thorburn A, et al
B12 shots offer rapid absorption directly into the bloodstream, making them suitable for individuals with absorption issues or severe deficiencies
Many patients notice they fall asleep more easily and wake up feeling more refreshed
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