How long a B12 shot lasts depends on the form of B12 used in the injection, how severe your deficiency is, and how well your body absorbs the form thats being injected
I promise to list out the most common solutions first, but also share some insights if youve been struggling to get your ferritin levels up by trying all of the usual things
If youve got a more serious case of vitamin B12 deficiency, your doctor may recommend B12 shots to boost those B12 levels
[102] Drug interactions [edit] H 2 -receptor antagonists and proton-pump inhibitors Gastric acid is needed to release vitamin B 12 from protein for absorption
This includes what you eat, your B12 levels, and your health goals
Symptoms of B12 deficiency A vitamin B12 deficiency may go undiagnosed because many of the symptoms fatigue, weakness, constipation, loss of appetite, and weight loss mirror those of minor illnesses or chronic conditions, Nelson explains