###Human: I do not wish to take injections for vitamin B12 deficiency. Can you suggest some tablet? ###Assistant: Hi. I have gone through the attachment (attachment removed to protect patient identity). As per the laboratory report, you have a deficiency of vitamin B12. Vitamin B12 is an essential vitamin required for the normal functioning of the body organs especially the nervous system. You have a hemoglobin of 16 g/dL. In B12 deficiency, you can usually see anemia (low hemoglobin). Vitamin B12 is replaced either by oral supplements or through B12 injection. Injections will help you to replenish quickly, and oral supplements take a long time. If you have any symptoms due to B12 deficiency, it is better to have an injection or oral supplements. You should take oral supplements regularly and for a long time for at least a year. Finding the reasons for B12 deficiency is essential. Your doctor can tell you the reason through proper history and examination.