Its important to note that if your B12 levels are already normal, additional injections are unlikely to boost your energy
If you experience severe pain, signs of infection (redness, warmth, swelling), or an allergic reaction (rash, itching, difficulty breathing), seek medical attention immediately
If you are taking 0.25mg, 0.5mg, 1mg, 1.7mg and 2.4mg, these doses can be administered via a multi-dose pen, this means you dont need to measure your dose, each pen contains 4 doses that will last for 4 weeks
It also means that you dont have to remember to take your supplements every day
This can sometimes be enough to correct or maintain B12 levels over time, making tablets a good choice for ongoing maintenance once levels are stabilised