This includes vegans and vegetarians, older adults, individuals with atrophic gastritis, pernicious anemia, gastrointestinal disorders, those who have had gastrointestinal surgery and people who take certain medications including, but not limited to, estrogen (HRT), and birth control pills
Users share injection site reactions, dosing regimens that didn't work, and the gap between expectations and lived experience
it doesnt necessarily replete tissue stores if the deficiency has been long-standing
Diet and Lifestyle: In conjunction with injections, dietary adjustments or oral supplementation may be considered to maintain adequate vitamin B12 levels, especially in dietary-related deficiencies
It also increases strength for exercises, thus making it effective in a weight loss program