Some uncommon side effects that could occur are some weakness, nausea, bowel problems, dizziness, lethargy, weight loss, thirst, nervous irritability, itchy skin, frequent urination, high levels of calcium
vegans require supplementation or fortified foods NHS treatment for confirmed deficiency with neurological involvement involves hydroxocobalamin injections on alternate days until improvement, then every 2 months lifelong Risk groups include vegans, older adults, those with pernicious anaemia or gastrointestinal disorders, and long-term users of PPIs or metformin Table of Contents What Does Vitamin B12 Do for the Body
However, our study, which included a general population sample, did not observe a significant association in males
B12 injections are a highly efficient method of supplementation, bypassing the digestive system and ensuring maximum absorption
Researchers and clinicians using it do so based on extrapolation from animal data and accumulating clinical experience rather than proven efficacy in humans