For treating a deficiency, injections are usually given frequently at the start, for example, several times per week or every other day for a couple of weeks, to quickly build up body stores
If you fall into any of these categories, it's worth discussing B12 testing with your healthcare provider
However, vegans might need to rely on supplements to ensure adequate intake
What can go wrong Pain, swelling and a small lump The most common outcome of a rushed or badly angled injection is local irritation: soreness, redness, a small firm lump or a bruise
PPIs (Proton Pump Inhibitors) - Ideal for those with gastric irritation or acid reflux after drinking
Through Food You can also increase your vitamin B12 intake through your diet if you make a few small adjustments