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Essential nutrients for one-year-olds: A parent's guide

As children transition to toddlerhood, their nutritional needs shift significantly from infancy. Understanding key vitamins and minerals is crucial for supporting healthy development during this critical stage.

LSN Singapore · 28 October 2026

Essential nutrients for one-year-olds: A parent's guide

Children entering their second year of life require a diverse range of nutrients to support rapid growth and cognitive development. Iron becomes increasingly important as stores accumulated during pregnancy deplete, making iron-rich foods such as lean meats, fortified cereals, and legumes essential dietary components. Similarly, calcium and vitamin D work together to support bone development, with dairy products, fortified plant-based alternatives, and exposure to sunlight providing adequate intake.

Protein remains fundamental for muscle and tissue growth, while healthy fats continue to play a vital role in brain development. Omega-3 fatty acids found in fish, flaxseeds, and walnuts support neurological function during this formative period. Zinc aids immune function and growth, while vitamin C enhances iron absorption and supports immune health.

Parents should introduce a variety of foods across different food groups, ensuring exposure to fruits, vegetables, whole grains, and protein sources. Portion sizes for one-year-olds typically range from one to four tablespoons per food item, adjusted based on individual appetite and growth patterns. Most health authorities recommend consulting with pediatricians or dietitians to address individual dietary requirements and rule out potential nutritional deficiencies.

By establishing diverse eating habits early, parents lay the foundation for lifelong healthy nutrition. Regular monitoring of growth and development through scheduled health check-ups helps identify any nutritional concerns requiring intervention.