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In short: B12 shots are used because they deliver vitamin B12 faster, more reliably, and more efficiently than oral supplements, especially if you have an absorption issue
This precaution helps prevent any unforeseen interactions and ensures safe use of the injection alongside other treatments
The patient-reported benefit is real but confounded
Based on your detailed feedback, we may suggest: Splitting the full dose into two smaller injections spaced apart
Vitamin injections and supplements can be beneficial for: If you take Semaglutide for weight loss, we may incorporate B12 injections into your plan
Side Effects, Risks & Regulatory Notes Most people tolerate vitamin B12 injections well, but injection-site soreness, transient swelling, or redness can occur
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