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where to inject b12 in leg Best Vitamin Injection Sites: B12 · PA Relief Best Vitamin B12 Injection Site:
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However, the body only uses and stores as much b12 as it needs and any excess is excreted in the urine

Proc Natl Acad Sci U S A
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Allow the sanitized skin to dry, and then pull the skin taut (tight) over the region before injecting the needle

B12 injections can help support nerve function and may reduce symptoms of neuropathy
