does b12 injection have to be refrigerated Your Ultimate Guide Storing Injections! does injectable b12 need to

Outer thigh (vastus lateralis) Great for self-injecting because its easy to reach and safe

Additional investigations suggest a possible connection between NNMT inhibition and cancer biology

Sometimes, B12 deficiency triggers gastrointestinal symptoms, such as appetite loss, sore tongue and mouth, stomach discomfort, heartburn, nausea and even vomiting (Sobczyska-Malefora et al., 2021)

Other conditions that make Vitamin B12 absorption more difficult are: Weight loss surgery or another operation that removed part of your stomach Heavy drinking Taking acid-reducing medication for a long time Certain health issues may also lead to the development of vitamin B12 deficiency such as atrophic gastritis, pernicious anemia, Crohns disease, celiac disease, immune system disorders, Graves disease and lupus