Citimac M 500mg/750mcg Tablet is a combination of two medicines used as a cognitive enhancer. It restores vitamin B12 level in the body and helps in the development of the brain and improves cognitive functions such as thinking ability, consciousness, and memory. Citimac M 500mg/750mcg Tablet may be taken with or without food, preferably at the same time each day. Take it at the same time each day as this helps to maintain a consistent level of medicine in the body. Take this medicine in the dose and duration as advised by your doctor and if you have missed a dose, take it as soon as you remember it. Do not skip any doses and finish the full course of treatment even if you feel better. It is important that this medication is not stopped suddenly without talking to your doctor as it may worsen your symptoms. Some common side effects of this medicine include irregular heart rate, stomach pain, diarrhea, and decreased blood pressure. However, these are temporary and usually resolve on their own. Please consult your doctor if these do not subside or bother you. Drink plenty of fluids to keep yourself hydrated while taking this medicine as this medicine may cause diarrhea. This medicine is not advised in young individuals to improve memory and learning because it is effective only in age-related memory loss problems.