Serious concerns with unregulated/high-dose use: infections from non-sterile settings, kidney or liver stress at very high doses over time, and (rarely) thyroid disruption
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Journal of Hazardous Materials, 431 , 128577
Regardless of which method used, a healthcare professional will typically inject the vitamin using a sterile needle and precise dosing instructions
Preventing Over-treatment: While B12 is a water-soluble vitamin and is generally considered safe, injections are a medical procedure
2 Vitamin K Vitamin K is necessary to facilitate proper blood clotting