Vegetarian diets are widely followed by many young people because of ethical, cultural, environmental, and health-related reasons. A well-planned vegetarian diet can provide adequate nutrition and support healthy growth, productivity, and overall well-being. However, certain nutrients are commonly lacking in vegetarian diets if food choices are not properly balanced. These nutrient deficiencies can affect physical health, energy levels, cognitive performance, and economic participation, especially among youth involved in education, employment, and enterprise development. One of the most commonly lacking nutrients in vegetarian diets is protein, particularly complete proteins that contain all essential amino acids. Animal-based foods generally provide complete proteins, while many plant-based sources may lack one or more essential amino acids. Although vegetarians can obtain protein from foods such as lentils, beans, peas, soy products, nuts, seeds, and whole grains, inadequate variety may result in insufficient intake. For example, a person consuming mostly rice and vegetables but avoiding pulses and legumes may not receive enough protein required for muscle development, immunity, and physical performance. Vitamin B12 is