tired after b12 injection reddit Will a Vitamin Give Me More Energy? How Often Should You Get

Shelf Life After Opening This is where the practical impact becomes clear

Injections are particularly appropriate for those with: Pernicious anaemia, an autoimmune condition affecting B12 absorption Conditions affecting the stomach or small intestine, such as Crohns disease or coeliac disease Those who have had gastric surgery or bariatric procedures Strict vegans and vegetarians not meeting their B12 needs through food or oral supplements For those who can absorb B12 normally, oral supplements are generally an effective and well-evidenced alternative to injections

The honest, educational picture is more nuanced

Mostly the argument pits Western medical practitioners against those who favor homeopathic and alternative treatments