side effects of too much b12 injections Feeling worse after Injection: Answering concerns 5 side effects of excessive

Certain health conditions such as intestinal or stomach problems, poor nutrition, cancer, HIV, pregnancy, old age, veganism and alcoholism can cause vitamin B12 deficiency

The process takes a few minutes, and while there's a small pinch, most patients find it easy

Beef, lamb are also good sources as well

If youve had bariatric (weight loss) surgery or if you heavily use alcohol, you may also have difficulty absorbing this vitamin

A doctor can advise you on whether you need vitamin B12 only or as part of the vitamin B complex

Note: This material is supplied for laboratory research use only and is not intended for human or veterinary use