wie viel protein pro tag muskelaufbau — what does this mean exactly?

The question 'How much protein per day for muscle building?' is a classic in fitness and nutrition. The short answer: For most healthy adults engaged in resistance training, the recommended intake is 1.6–2.2 g of protein per kilogram of body weight per day. This range is supported by meta-analyses and position stands from organizations like the ISSN and DGE. Higher intakes generally do not further enhance muscle gain, though they may be useful during very intense training or calorie restriction. The optimal amount depends on training status, age, sex, and total energy intake. Importantly, DNA tests cannot provide reliable personalized protein recommendations – the evidence for gene-based protein needs is weak. Instead, follow established guidelines and adjust intake over time. Also consider protein distribution (3–4 meals with 20–40 g each) and protein quality. Caveat: Individuals with kidney disease or metabolic disorders should consult a physician before consuming high protein.