By Alaiyka Parvez Owner, CoLaz Aesthetics Clinic The short version B12 injections are the standard NHS treatment for proven B12 deficiency, most commonly caused by autoimmune gastritis (pernicious anaemia), some medications, gut surgery, or a long-term vegan diet without fortification
What size needles are you using
And yes, they claw
do not interchange SubQ, IM, or IV products
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You may also be at risk if you take certain medications, such as proton pump inhibitors (Nexium, Prilosec, Prevacid), histamine-2 receptor agonists (Pepcid and Zantac), and metformin for type 2 diabetes