Building Strong Bones and Muscles: The Protein +
Vitamin D + Calcium Connection for Kids
The growth of a child goes beyond just monitoring their height and weight. It involves creating a strong physical foundation for the body by building strong bones and muscles through balanced nutrition. three nutrients that play a central role in the child’s steady growth include – Protein, Calcium and Vitamin D.
• Protein: Protein for kids acts as a building block for their muscle tissues and contributes to their development and maintenance.
• Calcium: It supports the structure of bones and helps to maintain the skeletal frame.
• Vitamin D: It works along with calcium and is required for calcium absorption by the body, making this combination vital for strong bonesandmuscles. [2]
• As child have a varying eating pattern, planning nutrient-dense meals becomes necessary. Common choices like pulses, lentils, poultry and dairy become reliable sources of protein and calcium for kids.[iii] Additionally, ragi and sesame seeds are plant based dietary options for calcium which can also be included regularly to support strong bonesand musclesin kids.[iv]
• Everyday balanced meals can be nutritionally upgraded by including nutritional drinks like Complan NutriGro for toddlers and preschoolers. It provides a 50:50 blend of whey and casein along with 34 vital nutrients, including iron, calcium, selenium, DHA, supporting the need for protein, calcium, and overall nutrients for kids.
• Even for growing children, protein, calcium and vitamin D remain important to support strong bones and muscles as their growth continues until adulthood.
Growing children may be unable to consume all nutrients due to food preferences, allergies, easy accessibility of unhealthy processed foods, etc. To support nutritional intake, a nutritional drink like Complan NutriGro can be included as part of a healthy balanced diet. It provides 34 vital nutrients along with high quality milk protein important for building strong bones and muscles in kids.
References
• [1] Inzaghi, E., Pampanini, V., Deodati, A., & Cianfarani, S. (2022). The Effects of Nutrition on Linear Growth. Nutrients, 14(9), 1752. https://doi.org/10.3390/nu14091752
• [2] Pettoello-Mantovani, M., Bali, D., Sevketoglu, E., Pastore, M., Vural, M., & Giardino, I. (2025). The first thousand days: Nourishing the developing brain for a lifetime of mental well-being. Narrative review. Global Pediatrics, 100270.
• [iii] Rolands, M. R., Mainardi, F., Bochud, M., & Lê, K. A. (2025). Identifying the optimal ratio from protein foods for protein and nutrient quality in plant-based meals using a non-linear optimization approach. Frontiers in nutrition, 12, 1624633. https://doi.org/10.3389/fnut.2025.1624633
• iv] Anitha, S., Givens, D. I., Botha, R., Kane-Potaka, J., Sulaiman, N. L. B., Tsusaka, T. W., Subramaniam, K., Rajendran, A., Parasannanavar, D. J., & Bhandari, R. K. (2021). Calcium from Finger Millet—A Systematic Review and Meta-Analysis on Calcium Retention, Bone Resorption, and In Vitro Bioavailability. Sustainability, 13(16), 8677. https://doi.org/10.3390/su13168677
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