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B12 helps keep this system working efficiently
Visit our vitamin therapies page to learn more about our complete offering of vitamin injections and IV therapies at Hertford Cosmetics .
This will involve 10-20 seconds to prep the injection site with an alcohol swab
This is the main factor for how long a B12 injection takes to work, offering a significant advantage over oral supplements, which must be broken down by the digestive system before they can be distributed throughout the body
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