It is an important part of the body because it is required for proper digestion, absorption and synthesis of foods, protein synthesis, and the metabolism of carbohydrates and fats
"Double-blind" means neither patients nor doctors know who is in which group eliminating both placebo effects and evaluator bias
Many patients with type 2 diabetes take metformin long-term, and studies have shown it can interfere with B12 absorption in the terminal ileum
Cerebral atrophy in a vitamin B12-deficient infant of a vegetarian mother
Allergic Reactions to B12 Injections Though rare, anaphylactic reactions (strong allergic responses) have been reported to either cyanocobalamin or hydroxocobalamin
Enhanced Mood: B vitamins, including B12, are known to promote a positive mood and reduce symptoms of fatigue and stress, which can further contribute to improved energy and overall well-being