The rationale rests more on theoretical benefit and observed clinical patterns than controlled trial evidence
These injections are especially beneficial for individuals who have difficulty absorbing Vitamin B12 from food or supplements, including older adults, people with pernicious anemia, vegetarians, vegans, and those with gastrointestinal disorders
And then I would point out that there seems to be something else going on regardless of the amount of B12 in the patients blood
While vitamin B12 deficiency is mostly associated with vegan diets, there are a number of non-vegans who are lacking in their daily recommended intake of B12
All compounds referenced are supplied strictly for laboratory research use only
Site Rotation: Rotate injection sites systematically (abdomen, thighs, upper arms) to prevent tissue buildup