best part of body to receive b12 injections vitamin Store A Retired RN About Vitamin B12 Best Vitamin B12 Injection Site:
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[see Drug Interactions (7)]

Mild injection site reactions are not contraindications, but systemic allergic responses are
This two-step injection protocol is known to induce OA-like cartilage degeneration, particularly in the lateral portion of the femoral condyle

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