Ketogene Proteinzubereitung, enthaltend 15 Gew-% bis 40 Gew-% Fette, 0,1 Gew-% bis 5 Gew-% Kohlenhydrate und 50 Gew-% bis 80 Gew-% Proteine.Ketogenic protein preparation containing 15% by weight to 40% by weight of fats, 0.1% by weight to 5% by weight of carbohydrates and 50% by weight to 80% by weight of proteins.