Mecobel-D3 Tablet is a prescription medication used to treat nutritional deficiencies, containing essential supplements for body growth and development. It can be taken with or without food, and should be taken at the prescribed dose and duration. Side effects like diarrhea, nausea, vomiting, and constipation may occur. Before use, inform your doctor about other health conditions, other medications, pregnancy, breastfeeding, and alcohol intake.