are b12 injections prescription only Do You Need a for Injections? Vitamin B12 Injections: Good or
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Wang X, et al
For weight loss, it may take a few weeks, as results are more gradual

Yes, B12 injections have an excellent long-term safety profile

This preservative prevents bacterial growth, making it safe for repeated vial use

Left untreated, a vitamin B12 deficiency may lead to decreased motor function, including balance problems, tremors, an increased risk of falling, and numbness or tingling in your extremities
