In cases of severe deficiency, correcting B12 levels may indeed contribute to an overall sense of increased energy
" Vitamin B12 deficiency shows up as fatigue, weakness, pale skin and breathlessness
Performance on visuoconstruction and memory tests is mainly associated with learning, problem-solving skills, and several activities of daily living, such as orientation and navigation 6
Experiment once you're stable
Theres been a lot of talk about B12 and mixed-ingredient lipotropic injections, but neither is without danger nor guarantee
Because B12 is water-soluble, the NIH Office of Dietary Supplements notes that no tolerable upper intake level has been established excess B12 is excreted by the body rather than accumulating to toxic levels