do b12 injections cause headaches Headache: The Link Between Vitamin B12 and Vitamin B12 Injection Side Effects

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Increased blood concentration of homocysteine is another nonspecific biomarker of vitamin B 12 deficiency that has been linked to depressive symptoms in the elderly (108)

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Patients should be reassured that injection site lumps, whilst inconvenient, are generally not serious and can be effectively prevented with proper technique and site rotation

Initially, frequent injections may be required to build up a sufficient store of vitamin B12

By correcting a deficiency with B12 injections, your metabolic rate may improve, giving your body the support it needs to maximize fat-burning potential