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These are the benefits of vitamin B12 injections
This makes them a highly efficient option
The FDA raised concerns about limited human trials, inconsistent chemical information, possible immune reactions and difficulty confirming the purity of finished products
Common forms: tablet, capsule, liquid, sublingual, nasal, injection Common reasons for different dosing: prevention, confirmed deficiency, absorption problems, product strength, and medical supervision Important point: prescription products and over-the-counter supplements may have different intended uses Who may need medical guidance before taking vitamin B12 Many adults can use standard over-the-counter vitamin B12 products as directed on the label, but some people should speak with a clinician first
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