Awareness of Side Effects: Stay vigilant regarding potential side effects associated with B12 treatment, including diarrhea, nausea, and allergic reactions
For naturally occurring B12 in food, the presence of gastric acid, pepsin, and intrinsic factor is essential for liberation and absorption
Is there human evidence specifically for the injectable version
Vitamin B12 shots are especially helpful for certain groups of people, including: Vegetarians and vegans : Since B12 is mostly found in animal products, those who avoid meat may have lower levels
Better Absorption for Some Individuals: People with certain medical conditions, such as pernicious anemia or gastrointestinal disorders like Crohns disease, might not absorb enough vitamin B12 from food
USA 113 (22), e3130e3139