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The injections are usually given intramuscularly, often in the upper arm or thigh
Vitamin B12 is water-soluble, and the body excretes excess amounts through urine rather than storing supraphysiological levels
In some cases, adding folate improves neurologic symptoms when B12 alone does not
Dive into the world of vitamin B12 with our guide, B12 Shots & B12 Injections: The Good, Bad, and Alternative! Curious about the basics
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