how does a b12 injection make you feel Quickly Shot Work? Does It Help to Lose Weight? Feeling worse after B12 Injection:

The risk of photolysis Even though B12 is very stable when dry, it is also extremely light-sensitive in liquid form

Signs your B12 levels might be low If you are wondering if your B12 levels might be low, look for these common red flags that often suggest your body is struggling to keep up: Persistent fatigue

(9, 10) When it comes to B12 supplements, if an IV drip feels a little invasive, the good news is you can get the same benefits in the form of shots (intramuscular injections), or oral capsules

Shortness of breath and dizziness: Difficulty breathing and a feeling of lightheadedness

You need to get it from food or supplements