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An injection site can feel painful or uncomfortable, or you may feel mild nausea or dizziness for a short period of time
Commercial oral supplements likely deliver negligible active peptide despite marketing claims
Vitamin B12: Health professional fact sheet
Symptoms like constant tiredness, weakness, or neurological problems might mean you need more injections
All treatments are administered by licensed clinicians who prioritize comfort, safety and individualized care
Here is how that works, and why it matters
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