Protein Requirements by Age Calculator

Protein Requirements by Age Calculator

Here’s a table outlining the protein requirements by age group based on general dietary guidelines:

Age GroupProtein Requirement (g/day)Notes/Considerations
Infants (0-6 months)9.1 gProtein primarily from breast milk or formula.
Infants (7-12 months)11 gAs solid foods are introduced, protein from various sources becomes important.
Toddlers (1-3 years)13 gGrowing children need protein for muscle and tissue development.
Children (4-8 years)19 gProtein is necessary for continued growth and development.
Boys (9-13 years)34 gPuberty starts, so protein needs increase for growth.
Girls (9-13 years)34 gProtein is needed for growth and development through puberty.
Boys (14-18 years)52 gProtein is important for muscle growth during adolescence.
Girls (14-18 years)46 gProtein supports growth, muscle mass, and hormonal changes during puberty.
Adults (19-70 years)56 g (men), 46 g (women)Protein supports overall health, muscle mass maintenance, and tissue repair.
Pregnant Women71 gExtra protein is needed for fetal development and tissue growth during pregnancy.
Breastfeeding Women71 gProtein supports lactation and postpartum recovery.
Older Adults (70+ years)56 g (men), 46 g (women)Protein needs may increase slightly to maintain muscle mass and support aging.

Key Notes:

  • Protein needs can vary depending on physical activity, health status, and specific conditions.
  • Active individuals, athletes, and those with certain health conditions (e.g., recovery from illness or injury) may require higher protein intake.

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