Review Article | | Peer-Reviewed

The Essential Role of Right Amount and Quality of Protein for Ensuring Child Growth and Maintenance of Bone and Muscle Mass

Received: 13 August 2024     Accepted: 3 September 2024     Published: 24 January 2025
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Abstract

Protein is a vital macronutrient, essential for growth, tissue repair, and immune function. However, the impact of elevated protein intake during childhood and adolescence remains controversial. While high protein intake in older adults is often recommended for maintaining muscle mass and preventing frailty, excessive intake in younger populations has raised concerns about potential health risks, particularly related to obesity. This review aims to update current literature on the long-term effects of protein consumption in children and adolescents (ages 4-18) and to explore emerging methods for evaluating protein metabolism in this age group. The RDA for protein varies based on age, sex, and activity level. Generally, it is suggested that children consume about 0.95-1.3 grams of protein per kilogram of body weight per day, depending on age and specific requirements. In many developed countries, children and adolescents often consume protein at levels 2-3 times higher than the RDA, potentially leading to both positive and negative health outcomes. Protein is critical for normal growth and development during childhood and adolescence. Adequate intake supports muscle development, immune function, and the production of hormones. Studies suggest that elevated protein intake may be linked to increased Fat-Free Mass Index (FFMI), which is beneficial for muscle development and overall body composition. High protein diets have been associated with increased satiety, which can help in managing appetite and potentially reducing overall caloric intake, thus contributing to healthier weight maintenance. Some evidence suggests a correlation between high protein intake in infancy and childhood and increased risk of obesity later in life. This association may be due to the overactivation of growth pathways and increased insulin-like growth factor-1 (IGF-1) levels. Excessive protein intake has been hypothesized to strain kidney function, especially in individuals with pre-existing kidney conditions. However, current evidence in healthy children and adolescents is inconclusive. This narrative review emphasizes the need for a nuanced understanding of protein intake in children and adolescents, considering both the benefits and potential risks associated with high protein consumption. As research evolves, dietary guidelines may need to be adjusted to reflect the latest findings.

Published in American Journal of Pediatrics (Volume 11, Issue 1)
DOI 10.11648/j.ajp.20251101.13
Page(s) 14-25
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2025. Published by Science Publishing Group

Keywords

Protein Intake, Children, Adolescent, Body Composition, BMI, FMI, FFMI, Right Amount and Quality of Protein, Protein for Bone and Muscle

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    Alam, S., Ferdousi, A., Biswas, S., Begum, A., Datta, M., et al. (2025). The Essential Role of Right Amount and Quality of Protein for Ensuring Child Growth and Maintenance of Bone and Muscle Mass. American Journal of Pediatrics, 11(1), 14-25. https://doi.org/10.11648/j.ajp.20251101.13

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    Alam, S.; Ferdousi, A.; Biswas, S.; Begum, A.; Datta, M., et al. The Essential Role of Right Amount and Quality of Protein for Ensuring Child Growth and Maintenance of Bone and Muscle Mass. Am. J. Pediatr. 2025, 11(1), 14-25. doi: 10.11648/j.ajp.20251101.13

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    AMA Style

    Alam S, Ferdousi A, Biswas S, Begum A, Datta M, et al. The Essential Role of Right Amount and Quality of Protein for Ensuring Child Growth and Maintenance of Bone and Muscle Mass. Am J Pediatr. 2025;11(1):14-25. doi: 10.11648/j.ajp.20251101.13

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  • @article{10.11648/j.ajp.20251101.13,
      author = {Shah Alam and Asma Ferdousi and Susmita Biswas and Ayesha Begum and Mitra Datta and Sunanda Shil and Fahim Hasan Reza and Mishu Talukdar},
      title = {The Essential Role of Right Amount and Quality of Protein for Ensuring Child Growth and Maintenance of Bone and Muscle Mass
    },
      journal = {American Journal of Pediatrics},
      volume = {11},
      number = {1},
      pages = {14-25},
      doi = {10.11648/j.ajp.20251101.13},
      url = {https://doi.org/10.11648/j.ajp.20251101.13},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajp.20251101.13},
      abstract = {Protein is a vital macronutrient, essential for growth, tissue repair, and immune function. However, the impact of elevated protein intake during childhood and adolescence remains controversial. While high protein intake in older adults is often recommended for maintaining muscle mass and preventing frailty, excessive intake in younger populations has raised concerns about potential health risks, particularly related to obesity. This review aims to update current literature on the long-term effects of protein consumption in children and adolescents (ages 4-18) and to explore emerging methods for evaluating protein metabolism in this age group. The RDA for protein varies based on age, sex, and activity level. Generally, it is suggested that children consume about 0.95-1.3 grams of protein per kilogram of body weight per day, depending on age and specific requirements. In many developed countries, children and adolescents often consume protein at levels 2-3 times higher than the RDA, potentially leading to both positive and negative health outcomes. Protein is critical for normal growth and development during childhood and adolescence. Adequate intake supports muscle development, immune function, and the production of hormones. Studies suggest that elevated protein intake may be linked to increased Fat-Free Mass Index (FFMI), which is beneficial for muscle development and overall body composition. High protein diets have been associated with increased satiety, which can help in managing appetite and potentially reducing overall caloric intake, thus contributing to healthier weight maintenance. Some evidence suggests a correlation between high protein intake in infancy and childhood and increased risk of obesity later in life. This association may be due to the overactivation of growth pathways and increased insulin-like growth factor-1 (IGF-1) levels. Excessive protein intake has been hypothesized to strain kidney function, especially in individuals with pre-existing kidney conditions. However, current evidence in healthy children and adolescents is inconclusive. This narrative review emphasizes the need for a nuanced understanding of protein intake in children and adolescents, considering both the benefits and potential risks associated with high protein consumption. As research evolves, dietary guidelines may need to be adjusted to reflect the latest findings.
    },
     year = {2025}
    }
    

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  • TY  - JOUR
    T1  - The Essential Role of Right Amount and Quality of Protein for Ensuring Child Growth and Maintenance of Bone and Muscle Mass
    
    AU  - Shah Alam
    AU  - Asma Ferdousi
    AU  - Susmita Biswas
    AU  - Ayesha Begum
    AU  - Mitra Datta
    AU  - Sunanda Shil
    AU  - Fahim Hasan Reza
    AU  - Mishu Talukdar
    Y1  - 2025/01/24
    PY  - 2025
    N1  - https://doi.org/10.11648/j.ajp.20251101.13
    DO  - 10.11648/j.ajp.20251101.13
    T2  - American Journal of Pediatrics
    JF  - American Journal of Pediatrics
    JO  - American Journal of Pediatrics
    SP  - 14
    EP  - 25
    PB  - Science Publishing Group
    SN  - 2472-0909
    UR  - https://doi.org/10.11648/j.ajp.20251101.13
    AB  - Protein is a vital macronutrient, essential for growth, tissue repair, and immune function. However, the impact of elevated protein intake during childhood and adolescence remains controversial. While high protein intake in older adults is often recommended for maintaining muscle mass and preventing frailty, excessive intake in younger populations has raised concerns about potential health risks, particularly related to obesity. This review aims to update current literature on the long-term effects of protein consumption in children and adolescents (ages 4-18) and to explore emerging methods for evaluating protein metabolism in this age group. The RDA for protein varies based on age, sex, and activity level. Generally, it is suggested that children consume about 0.95-1.3 grams of protein per kilogram of body weight per day, depending on age and specific requirements. In many developed countries, children and adolescents often consume protein at levels 2-3 times higher than the RDA, potentially leading to both positive and negative health outcomes. Protein is critical for normal growth and development during childhood and adolescence. Adequate intake supports muscle development, immune function, and the production of hormones. Studies suggest that elevated protein intake may be linked to increased Fat-Free Mass Index (FFMI), which is beneficial for muscle development and overall body composition. High protein diets have been associated with increased satiety, which can help in managing appetite and potentially reducing overall caloric intake, thus contributing to healthier weight maintenance. Some evidence suggests a correlation between high protein intake in infancy and childhood and increased risk of obesity later in life. This association may be due to the overactivation of growth pathways and increased insulin-like growth factor-1 (IGF-1) levels. Excessive protein intake has been hypothesized to strain kidney function, especially in individuals with pre-existing kidney conditions. However, current evidence in healthy children and adolescents is inconclusive. This narrative review emphasizes the need for a nuanced understanding of protein intake in children and adolescents, considering both the benefits and potential risks associated with high protein consumption. As research evolves, dietary guidelines may need to be adjusted to reflect the latest findings.
    
    VL  - 11
    IS  - 1
    ER  - 

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Author Information
  • Department of Paediatrics, Chattogram Medical College, Chattogram, Bangladesh

  • Department of Paediatrics, Chattogram Medical College, Chattogram, Bangladesh

  • Department of Paediatrics, Chattogram Medical College, Chattogram, Bangladesh

  • Department of Paediatrics, Chattogram Medical College, Chattogram, Bangladesh

  • Department of Paediatrics, Chattogram Medical College, Chattogram, Bangladesh

  • Department of Paediatrics, Chattogram Medical College, Chattogram, Bangladesh

  • Department of Paediatrics, Chattogram Maa Shishu O General Hospital, Chattogram, Bangladesh

  • Department of Paediatrics, Chattogram Maa Shishu O General Hospital, Chattogram, Bangladesh

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