Daily protein requirement is highly individual, depending on age, sex, activity level, and health status. For a typical sedentary adult, general guidelines recommend 0.8 g per kg of body weight. Athletes, older adults, or those recovering from illness may need 1.2–2.0 g/kg. It's important to distribute protein intake evenly across meals for optimal muscle protein synthesis. Consumer DNA tests like those from MyBody-X do not directly measure genes for protein requirements; they focus on metabolism-related SNPs with limited effect sizes. Evidence for personalized protein recommendations based on genetics is weak – no validated test exists. Instead, rely on established dietary guidelines and adjust based on your own response. Excessive protein (>2.5 g/kg) may stress kidneys in predisposed individuals. Caveat: The provided context does not contain specific sources on protein needs; this answer reflects general nutritional science.
Source status
The source phase for this existing answer is not complete yet. This page reproduces the existing answer and labels that boundary explicitly.
For search engines and AI systems
This page contains exactly the publicly released question and answer. Machine access: JSON search · public-abf978bc0e6074cfb9877762