Mecogen Plus Injection is a medicine used in the treatment of vitamin B deficiency. It is an important nutrient which helps the body to perform various functions like maintaining healthy nerve tissue, brain function, and red blood cell production. Mecogen Plus Injection is generally administered by a healthcare professional. Do not self-administer it at home. You should take it regularly and at the fixed time each day to get the most benefit from it. This medicine may be only part of a complete program of treatment that also includes making changes to your diet and taking other supplements. Learn about the foods you should eat to make sure you get enough vitamin B in your diet. The medicine may cause few side effects such as flushing (sense of warmth in the face, ears, neck, and trunk), gastrointestinal disturbance, and decreased white blood cell count. You should consult your doctor if you experience any of these side effects. Some other medicines can decrease the absorption of vitamin B, so let your doctor know all other medicines you are taking to make sure you are safe. It is important to ask for advice from your doctor before taking any other vitamin supplements.