The protein paradox – how much dietary protein is good for health?

In Germany, average intake of dietary protein is far above the recommended minimum daily intake, so in terms of adequate protein intake, we have nothing to worry about. However, protein intake has become a controversial topic of discussion in recent years. On the one hand, increasing protein intake is recommended in the context of calorie-restricted diets for weight loss, and it is recommended in general for older people, but on the other hand, there is the trend towards vegetarian and vegan diets, which contain less protein. In addition, epidemiological studies have shown that a protein-rich diet is associated with a higher risk of disease. This “protein paradox” was discussed at a meeting of leading scientists held by the German Institute of Human Nutrition (DIfE).

Protein as a source of indispensable amino acids Protein is an important macronutrient. This is because we are unable to synthesize some of the amino acids that make up proteins for ourselves. After water, protein is the substance that accounts for the largest proportion of body mass in adult humans, accounting for about 10 kg. The dry weight of many cells found in the body is made up of over 50% protein.

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