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Protein requirements vary by age, sex, activity, and health condition. Calculating needs ensures adequate intake for muscle and immune function.
Guia passo a passo
- 1Base: 0.8 g/kg/day for sedentary adults
- 2Athletes: 1.2-2.0 g/kg/day
- 3Renal disease: reduced; hepatic disease: careful adjustment
Exemplos resolvidos
Entrada
70 kg athlete in strength training
Resultado
Protein needs = 85-140 g/day
1.2-2.0 g/kg
Erros comuns a evitar
- ✕Prescribing high protein to sedentary patients
- ✕Neglecting renal function (can worsen kidney disease)
Perguntas frequentes
Is more protein always better?
No, excess without exercise is wasted. Optimal is adequate intake plus resistance training.
Do protein sources matter?
Complete proteins (containing all amino acids) better; plant proteins lower quality unless combined.
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