[6] [3] [10] A mild deficiency may not cause any discernible symptoms, but moderate deficiency can cause various symptoms, such as feeling tired, lightheadedness, headaches, cold intolerance, pale skin, sore tongue, upset stomach, loss of appetite, hair and skin color changes, numbness or tingling (pins and needles) of the fingers and toes, and tinnitus, and vision, cognitive or psychological problems
Human Case Reports and Practitioner Feedback Although randomized trials are pending, case reports and practitioner feedback are encouraging
Use the thick consistency to fix lashes/browsno glue required
Who may be a good candidate for MIC B12 injections