"Many food and health organisations have issued opinions/statements linking protein intake to the development of NCDs. However, in this case, health effects are not quantifiable and thus specific health and societal burden linked to protein intake has not been estimated."

"In adults, the recommended daily amount of protein ranges from 0.80 to 0.83 g per kilogram of body weight" (seems to match roughly the consumption of the avg. European?)

"EFSA also considered several health outcomes that can be associated with protein intake, however 'data were found to be insufficient to establish DRVs'. Additionally, EFSA concluded that there is not sufficient data to establish a Tolerable Upper Intake Level (UL) for protein."

Thanks for your reply! I still don't understand the reason behind this recommendation. It seems insufficient protein intake is linked to health deficits while the same hasn't been shown for eating too much protein (the NCD link seems weak, could it just be meat consumption habits?). From the report:

Are you sure reducing protein intake is a good idea? Lower protein intake leads to lower muscle growth. The lower the protein content in food, the more you need to eat to feel satisfied.