can b12 injections make you tired vitamin Feeling tired, foggy, or run-down? It could be How Fast Does a Vitamin
Description
Neurological Symptoms Several Weeks to Months If you have tingling, numbness in your hands or feet, or balance problems caused by B12 deficiency, these symptoms take longer to improve

Clean the Injection Site : Disinfection : Use an alcohol swab to clean the selected injection site

The studies tested various doses including 0.25 mg, 0.5 mg, and 1 mg daily via subcutaneous administration over periods ranging from single doses to 24 weeks of continuous therapy
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